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DTSTART;TZID=America/New_York:20230227T130000
DTEND;TZID=America/New_York:20230227T140000
DTSTAMP:20260405T180107
CREATED:20230111T150729Z
LAST-MODIFIED:20230111T150729Z
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SUMMARY:PSOC Seminar: “Mechanical checkpoint of monocyte fate in viscoelastic extracellular matrix” (Kyle Vining\, Penn Dental Medicine)
DESCRIPTION:Spring 2023 Hybrid-Seminar Series\nMondays 1.00-2.00 pm (EST)\nTowne 225 / Raisler Lounge\n“For Zoom link\, please contact <manu@seas.upenn.edu>”
URL:https://seasevents.nmsdev7.com/event/psoc-seminar-mechanical-checkpoint-of-monocyte-fate-in-viscoelastic-extracellular-matrix-kyle-vining-penn-dental-medicine/
LOCATION:Raisler Lounge (Room 225)\, Towne Building\, 220 South 33rd Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Seminar,Faculty
ORGANIZER;CN="PSOC":MAILTO:manu@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20230227T150000
DTEND;TZID=America/New_York:20230227T160000
DTSTAMP:20260405T180107
CREATED:20230110T193508Z
LAST-MODIFIED:20230110T193508Z
UID:10007418-1677510000-1677513600@seasevents.nmsdev7.com
SUMMARY:Joseph Bordogna Forum: Dr. Gary May\, Chancellor of UC-Davis
DESCRIPTION:Please save the date to join us for this annual distinguished lecture.  \nThe Joseph Bordogna Forum will foster conversation and debate regarding important issues at the nexus of technology and society. It will feature lectures and panel discussions on a wide range of contemporary issues that are central to engineering including diversity and inclusion\, the role of technology in our social fabric\, and questions of fairness\, justice and equity. \n“The Diversity Imperative” \nMonday\, February 27\, 2023\n3:00 – 4:00 p.m. \nWu and Chen Auditorium\, Levine Hall\n3330 Walnut Street \nDr. May’s talk was recorded and is available for viewing here.
URL:https://seasevents.nmsdev7.com/event/joseph-bordogna-forum-dr-gary-may-chancellor-of-uc-davis/
LOCATION:Wu and Chen Auditorium (Room 101)\, Levine Hall\, 3330 Walnut Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Distinguished Lecture
ORGANIZER;CN="Office of Diversity%2C Equity and Inclusion":MAILTO:odei@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20230228T100000
DTEND;TZID=America/New_York:20230228T113000
DTSTAMP:20260405T180107
CREATED:20230210T143550Z
LAST-MODIFIED:20230210T143550Z
UID:10007471-1677578400-1677583800@seasevents.nmsdev7.com
SUMMARY:MEAM Seminar: "Solid Interfaces in Electrochemical Devices"
DESCRIPTION:While lithium (Li) ion battery technology has had major successes\, at the current rate of progress\, it is unlikely to meet the mid-century global demands related to full de-carbonization and interruption of fossil fuel usage for transportation and energy generation. The replacement of currently used anodes by Li metal is one of the most promising alternatives to solve this problem. However\, various obstacles hinder its commercialization\, many of which are related to phenomena happening at the interface between the anode and the electrolyte. In this talk\, some of the interface-related issues that plague Li-ion and Li-metal batteries are discussed. Using a well-established electrodeposition model for solid electrolytes\, we conceptualize and engineer a polymer composite separator capable of harnessing advantageous properties of its components at their interfaces. The synergistic interaction between two of the most common components of the solid electrolyte interphase is also probed\, and the interface between them is shown to significantly enhance the conduction of charge carriers. By combining first-principles methods with thermodynamic modeling\, we explore the importance of interfaces in the context of void and pit formation. A similar methodology is also employed to examine Li intercalation in twisted bilayer graphene systems. The methods and principles used in these studies rely on computational approaches that are broadly applicable — and indeed critical — for applications that require engineering at the nanoscale.
URL:https://seasevents.nmsdev7.com/event/meam-seminar-solid-interfaces-in-electrochemical-devices/
LOCATION:Wu and Chen Auditorium (Room 101)\, Levine Hall\, 3330 Walnut Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Seminar
ORGANIZER;CN="Mechanical Engineering and Applied Mechanics":MAILTO:meam@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20230228T103000
DTEND;TZID=America/New_York:20230228T113000
DTSTAMP:20260405T180107
CREATED:20230217T170734Z
LAST-MODIFIED:20230217T170734Z
UID:10007483-1677580200-1677583800@seasevents.nmsdev7.com
SUMMARY:MSE Seminar: "Chemical Bonds in Topological Materials" (Princeton University)
DESCRIPTION:Topological materials are solid-state compounds that have atypical charge carriers\, often acting analogously to particles in high-energy physics. They are significant for both fundamental and applied science\, with potential uses in spintronics\, catalysis\, and quantum information science. But despite the great promise of this field\, the majority of known topological materials conform to the same handful of structure types. By utilizing chemical principles\, we can design and discover new topological materials and investigate their unusual charge transport and magnetism. \nIn the first half of my talk\, I will focus on synthetic routes to new subchalcogenide topological semimetals. Subchalcogenides are a hybrid class of materials between intermetallics and chalcogenides\, containing both metal-metal and metal-chalcogenide interactions. Their diverse bonding character leads to quasi-lower-dimensional metallic substructures\, which have greater potential for electron-electron interactions. The subchalcogenides Ir2In8Q (Q = S\, Se\, Te) are a newly reported family of Dirac semimetals\, with large\, anistropic magnetoresistance\, high charge carrier mobility\, and reversible electronic instabilities. This family of compounds offer a new platform for probing the interactions of electronic instabilities and topology\, along with expanding the known library of topological structures. In the second half of my talk\, I will discuss hypervalent (electron-rich) chemical bonding as a design principle for new topological semimetals\, with a focus on quasi-one-dimensional hypervalent Bi chains. Delocalized\, electron-rich bonding has been shown to be an effective design principle to find new topological square-net materials\, with band inversion occurring at the Fermi level of compounds with the ideal electron count and number of atoms in the unit cell. Through these synthetic and bonding approaches to identifying new topological materials\, we show that chemists play a vital role in advancing the field. \n 
URL:https://seasevents.nmsdev7.com/event/mse-seminar-chemical-bonds-in-topological-materials-princeton-university/
LOCATION:Glandt Forum\, Singh Center for Nanotechnology\, 3205 Walnut Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Seminar
ORGANIZER;CN="Materials Science and Engineering":MAILTO:johnruss@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20230228T103000
DTEND;TZID=America/New_York:20230228T113000
DTSTAMP:20260405T180107
CREATED:20230217T172708Z
LAST-MODIFIED:20230217T172708Z
UID:10007484-1677580200-1677583800@seasevents.nmsdev7.com
SUMMARY:BE Master's Student Focus Group
DESCRIPTION:Attention BE Master’s Students! We want your thoughts on the job search! Sign up for this upcoming focus group to give us your opinion on industries of interest\, employers & recruiting events. \nRegister now: http://tinyurl.com/bdzz8cna. \nContact Lauren Kemp with any questions: laurem@seas.upenn.edu
URL:https://seasevents.nmsdev7.com/event/be-masters-student-focus-group/
LOCATION:PA
CATEGORIES:Meeting,Graduate,Student,Master's
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20230228T123000
DTEND;TZID=America/New_York:20230228T133000
DTSTAMP:20260405T180107
CREATED:20230215T163252Z
LAST-MODIFIED:20230215T163252Z
UID:10007479-1677587400-1677591000@seasevents.nmsdev7.com
SUMMARY:ESE Spring Seminar - "An Architect’s Perspective on Quantum Computer Scaling: Why\, What\, and How?"
DESCRIPTION:Quantum computation has potential to solve problems that are out of reach for today’s classical computers. Many of the proposed applications for quantum computers (QCs)\, such as those in chemistry\, material science\, and optimization\, are capable of substantial human impact. However\, the full promise of quantum will only be realized if better qubits and QCs emerge that are capable of large-scale computation. The roadmap to QC scaling does not only contain a single path but many that run in parallel. In addition to pursuing devices with more qubits\, quantum researchers must 1) co-design software that pushes the frontier of existing machines and 2) build models that guide future QC design toward optimized performance. In this talk\, I discuss the why\, what\, and how involved with scaling today’s QCs. First\, I motivate the pursuit of quantum computing and introduce fundamental concepts. Next\, I present a case study that explores optimized quantum circuit compilation\, reducing decoherence via circuit slack. I show how quantum algorithms can adapt to the unique characteristics of today’s QCs through optimized gate scheduling\, leading to significant improvements in success during runtime. In the third part of this talk\, hardware challenges that restrict the number qubits on-chip are highlighted. With a focus on fixed-frequency transmon QCs\, I explore the viability of modular architectures to scale quantum devices\, presenting promising results in terms of yield\, gate performance\, and application-based analysis. Finally\, an outlook is given on future directions in QC software and hardware co-design that aim to accelerate progress toward achieving practical quantum machines.
URL:https://seasevents.nmsdev7.com/event/ese-spring-seminar-an-architects-perspective-on-quantum-computer-scaling-why-what-and-how/
LOCATION:Raisler Lounge (Room 225)\, Towne Building\, 220 South 33rd Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Colloquium
ORGANIZER;CN="Electrical and Systems Engineering":MAILTO:eseevents@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20230228T153000
DTEND;TZID=America/New_York:20230228T163000
DTSTAMP:20260405T180107
CREATED:20230222T170751Z
LAST-MODIFIED:20230222T170751Z
UID:10007493-1677598200-1677601800@seasevents.nmsdev7.com
SUMMARY:CIS Seminar: "Privacy-Preserving Accountability Online"
DESCRIPTION:Technologies that enable confidential communication and anonymous authentication are important for improving privacy for users of internet services. Unfortunately\, encryption and anonymity\, while good for privacy\, make it hard to hold bad actors accountable for misbehavior. Internet services rely on seeing message content to detect spam and other harmful content; services must also be able to identify users to attribute and respond to abuse complaints. This tension between privacy and accountability leads to one of two suboptimal outcomes: Services require excessive trust in centralized entities to hold users accountable for misbehavior\, or services leave themselves and/or their users open to abuse. \nIn this talk\, I will highlight two example applications\, end-to-end encrypted messaging and anonymous web browsing\, where this tension arises and how gaps in accountability can lead to real-world attacks. I will discuss how I have addressed this tension through the design of new cryptographic protocols that preserve user privacy while also providing mechanisms for holding bad actors accountable. In particular\, I will cover new protocols for anonymous blocklisting\, one-time-use credentials\, and transparent key infrastructure.
URL:https://seasevents.nmsdev7.com/event/cis-seminar-privacy-preserving-accountability-online-3/
LOCATION:Wu and Chen Auditorium (Room 101)\, Levine Hall\, 3330 Walnut Street\, Philadelphia\, PA\, 19104\, United States
ORGANIZER;CN="Computer and Information Science":MAILTO:cherylh@cis.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20230301T120000
DTEND;TZID=America/New_York:20230301T133000
DTSTAMP:20260405T180107
CREATED:20220913T151012Z
LAST-MODIFIED:20220913T151012Z
UID:10007282-1677672000-1677677400@seasevents.nmsdev7.com
SUMMARY:ASSET Seminar: Statistical and Machine Learning for Electronic Health Records: Challenges and Opportunities\, Qi Long (University of Pennsylvania)
DESCRIPTION:ABSTRACT: \nElectronic health records (EHRs) offer great promises in advancing clinical research and transforming learning health systems. However\, complex\, temporal EHRs are fraught with biases and present daunting analytical challenges that\, if not addressed\, can exacerbate health inequities. EHRs data\, recorded at irregular time intervals with varying frequencies\, are multi-modal and multi-scale including structured data such as labs and vitals\, codified data such as diagnosis and procedure codes\, and unstructured data such as doctor notes and pathology reports. They are typically incomplete and contain various data errors. What’s more\, data gaps and errors in EHRs are often unequally distributed across patient groups: People with less access to care\, often people of color or with lower socioeconomic status\, tend to have more incomplete EHRs. In this talk\, I will discuss these challenges and share my research group’s recent work on developing robust statistical and machine learning methods for addressing some of these challenges. Our experience has demonstrated that a trans-disciplinary health data science approach that involves collaboration between statisticians\, informaticians\, computer scientists\, and physician scientists can accelerate innovation in harnessing the full power of EHRs to tackle complex real-world problems and exert meaningful impact in medicine. To this end\, I will also discuss some open questions that present opportunities for future research and collaboration.
URL:https://seasevents.nmsdev7.com/event/asset-seminar-tba-aleksander-madry-massachusetts-institute-of-technology/
LOCATION:Levine 307\, 3330 Walnut Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Seminar
ORGANIZER;CN="Computer and Information Science":MAILTO:cherylh@cis.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20230301T150000
DTEND;TZID=America/New_York:20230301T160000
DTSTAMP:20260405T180107
CREATED:20230217T181325Z
LAST-MODIFIED:20230217T181325Z
UID:10007486-1677682800-1677686400@seasevents.nmsdev7.com
SUMMARY:Spring 2023 GRASP SFI: Edward Hu\, University of Pennsylvania\, “Focusing on Task-Relevant Information in RL for Robots”
DESCRIPTION:This is a hybrid event with in-person attendance in Levine 307 and virtual attendance via Zoom. This week’s presenter will be in-person as well. \nABSTRACT\nWhile it is tempting to view robotics as a nail that can be solved with the deep learning hammer\, we have seen that deep-learning based perception and action pipelines for robots are notoriously brittle and data hungry. In this talk\, I advocate for a more measured approach for designing data-driven controllers by focusing learning on task-relevant portions of the MDP. Through this philosophy\, I show that we can acquire capable learning systems that can transfer between morphologically distinct robots\, intelligently probe the environment for imperceptible reward signals\, and perform deep exploration with no priors.
URL:https://seasevents.nmsdev7.com/event/spring-2023-grasp-sfi-edward-hu/
LOCATION:Levine 307\, 3330 Walnut Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Seminar
ORGANIZER;CN="General Robotics%2C Automation%2C Sensing and Perception (GRASP) Lab":MAILTO:grasplab@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20230301T153000
DTEND;TZID=America/New_York:20230301T163000
DTSTAMP:20260405T180107
CREATED:20230206T141639Z
LAST-MODIFIED:20230206T141639Z
UID:10007459-1677684600-1677688200@seasevents.nmsdev7.com
SUMMARY:CBE Seminar Series: "Decisions through Oscillation: Learning from Endothelial Cells" (Andre Levchenko\, Yale University)
DESCRIPTION:Abstract: \nBlood vessels constitute one of the most complex and most essential biological systems\, sometimes referred to as a separate organ. Endothelial cells\, lining blood vessels are also one of the most ‘plastic’ cell types\, capable of a wide range of responses to external stimuli\, conditioned on their internal states and micro-environment. Strikingly\, many of these responses are triggered by the same signal\, the growth factor VEGF. Understanding how the same input can trigger a variety of cellular responses in a consistent and meaningful manner has been one of the key challenges of systems biology. In this talk\, based on a series of recent studies at our lab\, I will share the lessons we learned about encoding and decoding of the information in cellular signaling networks more generally and in endothelial cells more specifically. In particular\, I will discuss the ubiquitous presence and importance of dynamically fluctuating biochemical signaling in these and other cellular networks controlling different response time scales and outcomes. \nBio: \nAndre Levchenko is a John C. Malone Professor of Biomedical Engineering at Yale University and the Director of Yale Systems Biology Institute. He graduated from Moscow Institute for Physics and Technology with MS and from Columbia University with the doctoral degrees. He completed his postdoctoral studies at Caltech\, working in genetics and computer science. Thereafter\, he spent 12 years on faculty of Johns Hopkins University BME department\, rising through the ranks to Full Professor. In 2013\, he was recruited to Yale as a founding director of the new systems biology institute. Prof. Levchenko has made foundational contributions to systems biology of cellular signaling\, analysis of cell migration and development of novel micro- and nano-fabricated platforms for assaying cellular functions. He is a Fellow of the Biomedical Engineering Society\, American Physical Society\, American Institute for Medical and Biological Engineering and an elected member of Connecticut Academy of Science and Engineering.
URL:https://seasevents.nmsdev7.com/event/cbe-seminar-series-decisions-through-oscillation-learning-from-endothelial-cells-andre-levchenko-yale-university/
LOCATION:Wu and Chen Auditorium (Room 101)\, Levine Hall\, 3330 Walnut Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Seminar
ORGANIZER;CN="Chemical and Biomolecular Engineering":MAILTO:cbemail@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20230302T100000
DTEND;TZID=America/New_York:20230302T113000
DTSTAMP:20260405T180107
CREATED:20230214T192518Z
LAST-MODIFIED:20230214T192518Z
UID:10007478-1677751200-1677756600@seasevents.nmsdev7.com
SUMMARY:MEAM Seminar: "Control of Jump Stochastic Systems by Learning Recurrent Spatiotemporal Patterns"
DESCRIPTION:Efficient learning for stochastic control and estimation remains a topic of high interest in a variety of disciplines and there are well-known advantages and disadvantages to both model-free and model-based learning. On one hand\, it is becoming increasingly more feasible to rely entirely on model-free/data-driven methods for controlling complex stochastic systems\, but a well-known issue with these methods is the inefficiency of their data consumption and computation time. On the other hand\, most model-based control methods are designed for a very simple class of stochastic systems\, e.g.\, Gaussian white noise systems. In this talk\, our aim is to leverage the abundance of tools and theory from mathematics on various stochastic processes to expand the capabilities of model-based methods so that model-free methods don’t need to be implemented end-to-end. We demonstrate this with the broad class of jump stochastic systems (JSSs)\, i.e.\, systems with random and repetitive jump phenomena\, which are an excellent case study due to the plentiful theory that exists on various jump processes and because JSSs are highly prevalent in diverse real-world applications. The core part of this talk will focus on the development of a controller architecture called “pattern-learning for prediction” (PLP) for discrete-time/discrete-event systems (e.g.\, Markovian jump systems)\, in which we take advantage of the fact that the driving stochastic process is a sequence of random variables that occurs as repeated “patterns of interest”. We then present explicit implementations of the PLP controller architecture to two real-world applications: 1) the control of networks with dynamic topology (e.g.\, fault-tolerant control of a power grid susceptible to line failures)\, for which PLP is integrated with variations of the novel system level synthesis framework for disturbance-rejection; 2) the congestion control of vehicle traffic flow over metropolitan networks of signalized intersections\, for which PLP is extended to a version called “pattern learning with memory and prediction” via the integration of episodic control to reduce memory consumption.
URL:https://seasevents.nmsdev7.com/event/meam-seminar-control-of-jump-stochastic-systems-by-learning-recurrent-spatiotemporal-patterns/
LOCATION:Glandt Forum\, Singh Center for Nanotechnology\, 3205 Walnut Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Seminar
ORGANIZER;CN="Mechanical Engineering and Applied Mechanics":MAILTO:meam@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20230302T103000
DTEND;TZID=America/New_York:20230302T233000
DTSTAMP:20260405T180107
CREATED:20230217T175359Z
LAST-MODIFIED:20230217T175359Z
UID:10007487-1677753000-1677799800@seasevents.nmsdev7.com
SUMMARY:MSE Seminar: "Fundamental Understanding of Mechanical Properties and Deformation Mechanisms of Emerging Complex Alloys Serving under Extreme Conditions" (Lawrence Berkeley National Laboratory)
DESCRIPTION:The development of stronger and tougher materials serving under extreme conditions is a long-term goal of materials research that has been made even more urgent recently by our quests for space exploration and energy sustainability. Recently\, the advent of alloys with increased complexity\, e.g.\, multi-principal element alloys (MPEAs)\, additively manufactured (AM) alloys\, and alloys with hierarchical microstructures\, has brought forth vast opportunities for the discovery and design of new materials with unprecedented mechanical properties that can meet the engineering requirements for these applications. This seminar navigates the scientific frontiers of emerging complex alloys through a wide range of temperatures: 1. The excellent combination of strength and toughness for CrCoNi-based FCC MPEAs at cryogenic or room  emperatures; 2. The loss of strength for CrCoNi-based FCC MPEAs at intermediate temperatures and its remedies using additive manufacturing and oxide dispersion strengthening; and 3. The prospects and limitations of high-temperature\, high-strength BCC refractory MPEAs and BCC/B2 refractory high-entropy superalloys. These fundamental investigations demonstrate how the combination of dedicated mechanical testing\, state-of-the-art characterization\, and multiscale computer simulations can advance the understanding and development of these highly complex alloys.
URL:https://seasevents.nmsdev7.com/event/mse-seminar-fundamental-understanding-of-mechanical-properties-and-deformation-mechanisms-of-emerging-complex-alloys-serving-under-extreme-conditions-lawrence-berkeley-national-laboratory/
LOCATION:Wu and Chen Auditorium (Room 101)\, Levine Hall\, 3330 Walnut Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Seminar
ORGANIZER;CN="Materials Science and Engineering":MAILTO:johnruss@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20230302T123000
DTEND;TZID=America/New_York:20230302T133000
DTSTAMP:20260405T180107
CREATED:20230223T194520Z
LAST-MODIFIED:20230223T194520Z
UID:10007495-1677760200-1677763800@seasevents.nmsdev7.com
SUMMARY:ESE Spring Seminar - "Scalable Data-Driven Decision-Making for Smart Autonomous Power and Energy Systems"
DESCRIPTION:Rapidly growing renewable generations and peak loads pose a serious threat to the security and reliability of modern power and energy systems. A critical question is “how to accommodate a high penetration of renewable generation and deep electrification?”. This talk focuses on two key challenges\, i.e.\, unknown information and the scalability issue of coordinating large-scale distributed energy resources. I will present two examples of developing distributed algorithms and learning-assisted control methods to address these challenges. One example is distributed model-free optimal voltage control to handle unknown physical system models\, and the other is online learning and human-in-the-loop decision-making for residential demand response to deal with unknown human user behaviors.
URL:https://seasevents.nmsdev7.com/event/ese-spring-seminar-scalable-data-driven-decision-making-for-smart-autonomous-power-and-energy-systems/
LOCATION:Raisler Lounge (Room 225)\, Towne Building\, 220 South 33rd Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Colloquium
ORGANIZER;CN="Electrical and Systems Engineering":MAILTO:eseevents@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20230302T130000
DTEND;TZID=America/New_York:20230302T140000
DTSTAMP:20260405T180107
CREATED:20230217T161257Z
LAST-MODIFIED:20230217T161257Z
UID:10007482-1677762000-1677765600@seasevents.nmsdev7.com
SUMMARY:CNT/PHT Seminar: "The Future of Brain Interfacing" (Philip Sabes\, Neuralink\, UCSF)
DESCRIPTION:“The Future of Brain Interfacing”\nBrain interfacing holds immense promise\, both for restoring lost sensory\, motor or cognitive function and for the treatment of neurological and neuropsychiatric disorders. The promise is driving a great deal of interest in brain interfacing technologies — from researchers\, industry\, investors\, and the public — yet the clinical impact of these technologies is still limited. I’ll present my view of present state of brain interfacing and the key challenges and opportunities\, as seen through the lens of my earlier research at UCSF and my more recent work in the startup world.\n\nCo-hosted by the Center for Neuroengineering and Therapeutics (CNT) and Penn Health-Tech (PHT): contact littlab@seas.upenn.edu with any questions.\n\nRSVP here
URL:https://seasevents.nmsdev7.com/event/cnt-seminar-philip-sabes-starfish-neuroscience-neuralink-ucsf/
LOCATION:Rubenstein Audtorium\, Smilow Center for Translational Research
CATEGORIES:Seminar
ORGANIZER;CN="Center for Neuroengineering and Therapeutics":MAILTO:littlab@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20230302T153000
DTEND;TZID=America/New_York:20230302T163000
DTSTAMP:20260405T180107
CREATED:20221220T151733Z
LAST-MODIFIED:20221220T151733Z
UID:10007390-1677771000-1677774600@seasevents.nmsdev7.com
SUMMARY:BE Seminar: "Building Tissues: Engineering Complexity Through Biomaterial Design" (Brendan Harley\, University of Illinois)
DESCRIPTION:Advances in the fields of tissue engineering and regenerative medicine require biomaterials that instruct\, rather than simply permit\, a desired cellular response. A major challenge to progress in our field is the complex organization of the tissues in our bodies\, which are hierarchical\, vary in space and time\, and can differ person-to person. Prof. Harley’s research program is developing approaches to structurally and biomolecularly pattern biomaterials to enable tissue regeneration after injury as well as to study processes linked to homeostasis and disease progression outside of the body. A major area of our work targets development of a degradable biomaterial to regenerate craniomaxillofacial bones and musculoskeletal insertions. We are using bioinspired design motifs to create composite materials that instruct desired cell activities while retaining mechanical competence required for clinical translation. I will describe (granular) hydrogel models to study niche regulation of hematopoietic stem cells and patient-derived glioblastoma specimens. These tools enable study of dynamic processes such as niche remodeling and reciprocal signaling linked to stem cell quiescence as well as the role of angiocrine signals and immune interactions on invasive spreading and drug resistance in primary brain cancer. We are adapting these approaches to develop hierarchical models of the endometrial tissue microenvironment to investigate trophoblast invasion and endometrial pathologies.
URL:https://seasevents.nmsdev7.com/event/be-seminar-brendan-harley-university-of-illinois/
LOCATION:Glandt Forum\, Singh Center for Nanotechnology\, 3205 Walnut Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Seminar
ORGANIZER;CN="Bioengineering":MAILTO:be@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20230302T153000
DTEND;TZID=America/New_York:20230302T163000
DTSTAMP:20260405T180107
CREATED:20230227T190433Z
LAST-MODIFIED:20230227T190433Z
UID:10007500-1677771000-1677774600@seasevents.nmsdev7.com
SUMMARY:CIS Seminar: " Foundations of Responsible Machine Learning"
DESCRIPTION:Algorithms make predictions about people constantly.  The spread of such prediction systems has raised concerns that machine learning algorithms may exhibit problematic behavior\, especially against individuals from marginalized groups.  This talk will provide an overview of my research building a theory of “responsible” machine learning.  I will highlight a notion of fairness in prediction\, called Multicalibration (ICML’18)\, which requires predictions to be well-calibrated\, not simply overall\, but on every group that can be meaningfully identified from data.  This “multi-group” approach strengthens the guarantees of group fairness definitions\, without incurring the costs (statistical and computational) associated with individual-level protections.  Additionally\, I will present a new paradigm for learning\, Outcome Indistinguishability (STOC’21)\, which provides a broad framework for learning predictors satisfying formal guarantees of responsibility.  Finally\, I will discuss the threat of Undetectable Backdoors (FOCS’22)\, which represent a serious challenge for building trust in machine learning models.
URL:https://seasevents.nmsdev7.com/event/cis-seminar-foundations-of-responsible-machine-learning/
LOCATION:Wu and Chen Auditorium (Room 101)\, Levine Hall\, 3330 Walnut Street\, Philadelphia\, PA\, 19104\, United States
ORGANIZER;CN="Computer and Information Science":MAILTO:cherylh@cis.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20230303T103000
DTEND;TZID=America/New_York:20230303T114500
DTSTAMP:20260405T180107
CREATED:20230216T212812Z
LAST-MODIFIED:20230216T212812Z
UID:10007481-1677839400-1677843900@seasevents.nmsdev7.com
SUMMARY:Spring 2023 GRASP on Robotics: Jeannette Bohg\, Stanford University\, "Scaling Robot Learning for Long-Horizon Manipulation Tasks with Language\, Logic and Youtube"
DESCRIPTION:This is a hybrid event with in-person attendance in Wu and Chen and virtual attendance via Zoom. This week’s presenter will be in-person as well.  \n  \nABSTRACT\nMy long-term research goal is enable real robots to manipulate any kind of object such that they can perform many different tasks in a wide variety of application scenarios such as in our homes\, in hospitals\, warehouses\, or factories. Many of these tasks will require long-horizon reasoning and sequencing of skills to achieve a goal state. While learning approaches promise generalization beyond what the robot has seen during training\, they require large data collection – a challenge when operating on real robots and specifically for long-horizon tasks. In this talk\, I will present our work on enabling long-horizon reasoning on real robots for a variety of different long-horizon tasks that can be solved by sequencing a large variety of composable skill primitives. We approach this problem from many different angles such as (i) using large-scale\, language-annotated video datasets as a cheap data source for skill learning; (ii) sequencing these learned skill primitives to resolve geometric dependencies prevalent in long-horizon tasks; (iii) learning grounded predicates thereby enabling closed-loop\, symbolic task planning.
URL:https://seasevents.nmsdev7.com/event/spring-2023-grasp-on-robotics-jeannette-bohg/
LOCATION:Wu and Chen Auditorium (Room 101)\, Levine Hall\, 3330 Walnut Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Seminar
ORGANIZER;CN="General Robotics%2C Automation%2C Sensing and Perception (GRASP) Lab":MAILTO:grasplab@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20230303T153000
DTEND;TZID=America/New_York:20230303T153000
DTSTAMP:20260405T180107
CREATED:20230210T174214Z
LAST-MODIFIED:20230210T174214Z
UID:10007472-1677857400-1677857400@seasevents.nmsdev7.com
SUMMARY:MEAM Seminar: "Strategies for Approaching One Hundred Percent Dense Lithium-Ion Battery Cathodes"
DESCRIPTION:Creating thick electrodes with low porosity can dramatically increase the available energy in a single cell and decrease the number of electrode stacks needed in a full battery\, which results in higher energy\, lower cost\, and easier to manufacture batteries. However\, existing electrode architectures cannot simultaneously achieve thick electrodes with high active material volume fractions and good power. These particle-based architectures rely on electrolyte transport within the pores of the cathode to fully lithiate active material particles during discharge. As cathode solid volume fractions approach 100%\, batteries experience electrolyte depletion which leads to inaccessible cathode reaction sites. The additional theoretical capacity that comes from increased cathode density\, therefore\, is impractical if that energy cannot be fully extracted. \nWe combine experiments and simulations of high density and high thickness cathodes to understand the transport and performance trade-offs of LIBs as the cathode solid volume fraction approaches 100%\, which we use to reveal the cathode properties needed to achieve high performance at high relative density and thickness. We use one- and two-dimensional simulations to compare the discharge performance of two cathode architectures\, a traditional particle-based architecture and a continuous cathode architecture created via electrodeposition. We show that there is a large opportunity space for improved energy density at high relative densities by using new electrode manufacturing techniques to create continuous diffusion pathways and high diffusivities. \nThis work uses a comparative analysis of cathode architectures to explore the interdependent impact of solid volume fraction\, solid-diffusivity\, cathode thickness\, and discharge rate on lithium-ion battery areal capacity. We should how a combination of high diffusivity and continuous solid-state diffusion pathways provides an exciting path for realizing ultra-dense and thick cathodes with high energy density.
URL:https://seasevents.nmsdev7.com/event/meam-seminar-strategies-for-approaching-one-hundred-percent-dense-lithium-ion-battery-cathodes/
LOCATION:Towne 309\, 220 S. 33rd Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Seminar
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20230313T110000
DTEND;TZID=America/New_York:20230313T120000
DTSTAMP:20260405T180107
CREATED:20230227T190515Z
LAST-MODIFIED:20230227T190515Z
UID:10007499-1678705200-1678708800@seasevents.nmsdev7.com
SUMMARY:ESE Spring Seminar - "Architecting High Performance Silicon Systems for Accurate and Efficient On-Chip Deep Learning"
DESCRIPTION:The unabated pursuit for omniscient and omnipotent AI is levying hefty latency\, memory\, and energy taxes at all computing scales. At the same time\, the end of Dennard scaling is sunsetting traditional performance gains commonly attained with reduction in transistor feature size. Faced with these challenges\, my research is building a heterogeneity of solutions co-optimized across the algorithm\, memory subsystem\, hardware architecture\, and silicon stack to generate breakthrough advances in arithmetic performance\, compute density and flexibility\, and energy efficiency for on-chip machine learning\, and natural language processing (NLP) in particular. I will start\, in the algorithm front\, by discussing award-winning work on developing a novel floating-point based data type\, AdaptivFloat\, which enables resilient quantized AI computations; and is particularly suitable for NLP networks with very large parameter distribution. Then\, I will describe a 16nm chip prototype that adopts AdaptivFloat in the acceleration of noise-robust AI speech and machine translation tasks – and whose fidelity to the front-end application is verified via a formal hardware/software compiler interface. Towards the goal of lowering the prohibitive energy cost of inferencing large language models on TinyML devices\, I will describe a principled algorithm-hardware co-design solution\, validated in a 12nm chip tapeout\, that accelerates Transformer workloads by tailoring the accelerator’s latency and energy expenditures according to the complexity of the input query it processes. Finally\, I will conclude with some of my current and future research efforts on further pushing the on-chip energy-efficiency frontiers by leveraging specialized non-conventional dynamic memory structures for on-device training — and recently prototyped in a 16nm tapeout.
URL:https://seasevents.nmsdev7.com/event/ese-spring-seminar-architecting-high-performance-silicon-systems-for-accurate-and-efficient-on-chip-deep-learning/
LOCATION:Raisler Lounge (Room 225)\, Towne Building\, 220 South 33rd Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Colloquium
ORGANIZER;CN="Electrical and Systems Engineering":MAILTO:eseevents@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20230313T130000
DTEND;TZID=America/New_York:20230313T140000
DTSTAMP:20260405T180107
CREATED:20230111T150932Z
LAST-MODIFIED:20230111T150932Z
UID:10007422-1678712400-1678716000@seasevents.nmsdev7.com
SUMMARY:PSOC Seminar: “The Nuclear Lamina and Cell Fate in the Preimplantation Embryo” (Robin Skory\, Penn)
DESCRIPTION:Spring 2023 Hybrid-Seminar Series\nMondays 1.00-2.00 pm (EST)\nTowne 225 / Raisler Lounge\n“For Zoom link\, please contact <manu@seas.upenn.edu>”
URL:https://seasevents.nmsdev7.com/event/psoc-seminar-the-nuclear-lamina-and-cell-fate-in-the-preimplantation-embryo-robin-skory-penn/
LOCATION:Raisler Lounge (Room 225)\, Towne Building\, 220 South 33rd Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Seminar,Faculty
ORGANIZER;CN="PSOC":MAILTO:manu@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20230314T100000
DTEND;TZID=America/New_York:20230314T113000
DTSTAMP:20260405T180107
CREATED:20230224T165453Z
LAST-MODIFIED:20230224T165453Z
UID:10007498-1678788000-1678793400@seasevents.nmsdev7.com
SUMMARY:MEAM Seminar: "Bioinspired Microrobotic Systems for Interfacing with Cells and Tissues"
DESCRIPTION:Control over the microscopic world\, at the scale of the smallest organisms\, depends on the development of robots and machines that can operate at micro-nanoscales. However\, fundamental limitations in the efficient miniaturization of macro-scale robotic technologies require bioinspired/hybrid approaches for actuation\, sensing\, and control of microrobots. Recent advances in materials\, fabrication and actuation technologies have enabled the realization of wireless microrobots powered by external fields\, biological organisms\, and catalytic reactions. In the first part of this talk\, I will introduce cell-sized (<10 µm) surface-rolling multifunctional microrobots\, inspired by leukocytes in the circulatory system\, actuated by external magnetic fields. Microrollers generate unprecedented strong propulsion (up to 100 body lengths per second) enabling their upstream navigation in physiological blood flow and their functionalization with targeting agents and drug molecules allows targeted\, on-demand drug delivery to desired cells. In the second part\, I will present reprogrammable shape morphing of small-scale magnetic soft machines enabled by heat-assisted high-resolution (<40 µm)\, discrete\, and 3D magnetic encoding. Heat-assisted magnetic programming allows experimental optimization of the functional behavior of small-scale soft systems\, including reconfigurable mechanical behavior of an auxetic metamaterial structure\, tunable locomotion of a surface-walking soft robot\, and adaptive grasping of a soft gripper. I will conclude the talk with a stimulating discussion on a path forward toward bio-integrated robotics at cellular and tissue scales for healthcare applications beyond targeted therapeutic delivery.
URL:https://seasevents.nmsdev7.com/event/meam-seminar-bioinspired-microrobotic-systems-for-interfacing-with-cells-and-tissues/
LOCATION:Wu and Chen Auditorium (Room 101)\, Levine Hall\, 3330 Walnut Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Seminar
ORGANIZER;CN="Mechanical Engineering and Applied Mechanics":MAILTO:meam@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20230314T103000
DTEND;TZID=America/New_York:20230314T120000
DTSTAMP:20260405T180107
CREATED:20230302T173651Z
LAST-MODIFIED:20230302T173651Z
UID:10007503-1678789800-1678795200@seasevents.nmsdev7.com
SUMMARY:MSE Seminar: "Textile Materials for Soft Wearable Robotics" (Stanford University)
DESCRIPTION:Wearable robots and devices—garments with embedded elements that actuate to change shape or apply forces to the wearer\, typically based on signals from integrated sensors—offer promise for assistive and augmentative applications including rehabilitative gloves\, haptic devices\, and dynamically thermoregulating clothing. Early iterations of wearables from the 50s and 60s primarily took the form of rigid exoskeletons; however\, in the past twenty years\, a growing subset of this field has transitioned to the use of soft components and materials to improve portability\, accessibility\, fit\, and comfort\, guided in part by advances in the related field of soft robotics. Based on the unique requirements for wearables\, including personalization for varied bodies and low cost for accessibility\, automated and highly customizable textile-compatible materials and manufacturing strategies must be developed to support the fabrication and integration of all the necessary components (sensors\, actuators\, interconnections). This seminar will explore the intersection of knowledge from the field of textile materials and manufacturing with the needs of soft robots and devices\, specifically focusing on wearable applications\, including performance metrics\, material and component choices\, and fabrication strategies. Several integrated design and fabrication platforms will be presented in the context of their ability to create constituent components for wearable robots and devices.
URL:https://seasevents.nmsdev7.com/event/mse-seminar-textile-materials-for-soft-wearable-robotics-stanford-university/
LOCATION:Glandt Forum\, Singh Center for Nanotechnology\, 3205 Walnut Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Seminar
ORGANIZER;CN="Materials Science and Engineering":MAILTO:johnruss@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20230314T153000
DTEND;TZID=America/New_York:20230314T163000
DTSTAMP:20260405T180107
CREATED:20230223T215537Z
LAST-MODIFIED:20230223T215537Z
UID:10007496-1678807800-1678811400@seasevents.nmsdev7.com
SUMMARY:CIS Seminar: "The Design of a General-Purpose Distributed Execution System"
DESCRIPTION:Scaling applications with distributed execution has become the norm. With the rise of big data and machine learning\, more and more developers must build applications that involve complex and data-intensive distributed processing. \nIn this talk\, I will discuss the design of a general-purpose distributed execution system that can serve as a common platform for such applications. Such a system offers two key benefits: (1) common system functionality such as distributed resource management can be shared across different application domains\, and (2) by building on the same platform\, applications across domains can easily interoperate. \nFirst\, I will introduce the distributed futures interface\, a powerful yet expressive distributed programming abstraction for remote execution and memory. Second\, I will introduce ownership\, an architecture for distributed futures systems that simultaneously provides horizontal scalability\, low latency\, and fault tolerance. Finally\, I will present Exoshuffle\, a large-scale shuffle system that builds on distributed futures and ownership to match the speed and reliability of specialized data processing frameworks while using an order of magnitude less code. These works have reached a broad audience through Ray\, an open-source distributed futures system for
URL:https://seasevents.nmsdev7.com/event/cis-seminar-the-design-of-a-general-purpose-distributed-execution-system/
LOCATION:Wu and Chen Auditorium (Room 101)\, Levine Hall\, 3330 Walnut Street\, Philadelphia\, PA\, 19104\, United States
ORGANIZER;CN="Computer and Information Science":MAILTO:cherylh@cis.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20230315T120000
DTEND;TZID=America/New_York:20230315T133000
DTSTAMP:20260405T180107
CREATED:20230104T182646Z
LAST-MODIFIED:20230104T182646Z
UID:10007391-1678881600-1678887000@seasevents.nmsdev7.com
SUMMARY:ASSET Seminar: Computational Social Listening for Public Health (Sharath Guntuku\, University of Pennsylvania)
DESCRIPTION:ABSTRACT: \nHow can A.I.-based methods inform social listening applications during public health crises? The COVID-19 pandemic has uprooted the mode and method of human communication and interaction. The magnitude of the pandemic has led to an ‘infodemic’ along with considerable increase in stress and anxiety across communities. At the same time\, the use of social media has increased dramatically as individuals sheltered in place. In this talk\, I will introduce how our group is using big data from social media sources for contributing to social good. I will discuss the application of machine learning and natural language processing techniques to obtain insights on the heterogeneity in vaccine acceptance and mental health measurement across communities in the United States and outside.
URL:https://seasevents.nmsdev7.com/event/asset-seminar-tba-sharath-guntuku-university-of-pennsylvania/
LOCATION:Levine 307\, 3330 Walnut Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Seminar
ORGANIZER;CN="Computer and Information Science":MAILTO:cherylh@cis.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20230315T153000
DTEND;TZID=America/New_York:20230315T163000
DTSTAMP:20260405T180107
CREATED:20230206T150302Z
LAST-MODIFIED:20230206T150302Z
UID:10007462-1678894200-1678897800@seasevents.nmsdev7.com
SUMMARY:CBE Seminar Series: "Electrification and Decarbonization of Chemical Synthesis" (Karthish Manthiram\, California Institute of Technology)
DESCRIPTION:Abstract: \nChemical synthesis is responsible for significant emissions of carbon dioxide worldwide. These emissions arise not only due to the energy requirements of chemical synthesis\, but since hydrocarbon feedstocks can be overoxidized or used as hydrogen sources. Using renewable electricity to drive chemical synthesis may provide a route to overcoming these challenges\, enabling synthetic routes which operate at benign conditions and utilize sustainable inputs. We are developing an electrosynthetic toolkit in which distributed feedstocks\, including carbon dioxide\, dinitrogen\, water\, and renewable electricity\, can be converted into diverse fuels\, chemicals\, and materials. \nIn this presentation\, we will first share recent advances made in our laboratory on nitrogen fixation to synthesize ammonia at ambient conditions. Specifically\, our lab has investigated a continuous lithium-mediated approach to ammonia synthesis and understood the reaction network that controls selectivity. We have developed non-aqueous gas-diffusion electrodes which lead to high rates of ammonia synthesis at ambient conditions. Then\, we will discuss how water can be used as a sustainable oxygen-atom source and how carbon dioxide can be used to achieve carbon chain extension. These findings will be discussed in the context of a broader range of electrosynthetic transformations which could lead to local and on-demand production of critical chemicals and materials. \nBio: \nKarthish Manthiram is a Professor of Chemistry and Chemical Engineering at Caltech. The Manthiram Lab is focused on the molecular engineering of electrocatalysts for the synthesis of organic molecules\, including pharmaceuticals\, fuels\, and commodity chemicals\, using renewable feedstocks. Karthish received his bachelor’s degree in Chemical Engineering from Stanford University in 2010 and his PhD in Chemical Engineering from UC Berkeley in 2015. After a one-year postdoc at the California Institute of Technology\, he joined MIT as an Assistant Professor in 2017. In 2021\, he moved to Caltech as a Full Professor of Chemistry and Chemical Engineering. Karthish’s research has been recognized with several awards\, including the DOE Early Career Award\, NSF CAREER Award\, Sloan Research Fellowship\, 3M Nontenured Faculty Award\, American Institute of Chemical Engineers 35 Under 35\, American Chemical Society PRF New Investigator Award\, Dan Cubicciotti Award of the Electrochemical Society\, and Forbes 30 Under 30 in Science. Karthish’s teaching has been recognized with the Camille Dreyfus Teacher-Scholar Award\, C. Michael Mohr Outstanding Undergraduate Teaching Award\, the MIT Chemical Engineering Outstanding Graduate Teaching Award\, and the MIT Teaching with Digital Technology Award. He serves on the Early Career Advisory Board for ACS Catalysis and on the Advisory Board for Trends in Chemistry.
URL:https://seasevents.nmsdev7.com/event/cbe-seminar-series-electrification-and-decarbonization-of-chemical-synthesis-karthish-manthiram-california-institute-of-technology/
LOCATION:Wu and Chen Auditorium (Room 101)\, Levine Hall\, 3330 Walnut Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Seminar
ORGANIZER;CN="Chemical and Biomolecular Engineering":MAILTO:cbemail@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20230316T103000
DTEND;TZID=America/New_York:20230316T120000
DTSTAMP:20260405T180107
CREATED:20230302T180448Z
LAST-MODIFIED:20230302T180448Z
UID:10007504-1678962600-1678968000@seasevents.nmsdev7.com
SUMMARY:MSE Seminar: "Interacting Opto-Moiré Quantum Matter" (University of Washington)
DESCRIPTION:Moiré superlattices of two-dimensional (2D) materials are an emerging platform for studying new physical phenomena with high tunability. Strong excitonic responses in transition metal dichalcogenides (TMDs) allow optical access to the wealth of physics. In this talk\, I will present our recent results about interactions between excitons and charge carriers trapped in moiré potentials. We have discovered novel exciton many-body ground states composed of moiré excitons and correlated electron lattices\, resulting from new interaction between exciton and charges enabled by unusual quantum confinement in 2D moiré superlattices. The interaction further enriches the magnetic phases in such moiré superlattices. We have observed that the spin-spin interactions between moiré trapped holes can be drastically tuned by optical excitation power. The mechanism points to the unique excitons-mediated long-range exchange interaction between moiré trapped carriers. This discovery adds a new and dynamic tuning knob to the rich many-body Hamiltonian of moiré quantum matter. Our work provides the framework for understanding and engineering electronic and excitonic states in moiré quantum matters.
URL:https://seasevents.nmsdev7.com/event/mse-seminar-interacting-opto-moire-quantum-matter-university-of-washington/
LOCATION:Wu and Chen Auditorium (Room 101)\, Levine Hall\, 3330 Walnut Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Seminar
ORGANIZER;CN="Materials Science and Engineering":MAILTO:johnruss@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20230316T123000
DTEND;TZID=America/New_York:20230316T133000
DTSTAMP:20260405T180107
CREATED:20230228T151130Z
LAST-MODIFIED:20230228T151130Z
UID:10007501-1678969800-1678973400@seasevents.nmsdev7.com
SUMMARY:ESE Spring Seminar - "Supercharging Programming Through Compiler Technology"
DESCRIPTION:The decline of Moore’s law and an increasing reliance on computation has led to an explosion of specialized software packages and hardware architectures. While this diversity enables unprecedented flexibility\, it also requires domain-experts to learn how to customize programs to efficiently leverage the latest platform-specific API’s and data structures\, instead of working on their intended problem. Rather than forcing each user to bear this burden\, I propose building high-level abstractions within general-purpose compilers that enable fast\, portable\, and composable programs to be automatically generated. \nThis talk will demonstrate this approach through compilers that I built for two domains: automatic differentiation and parallelism. These domains are critical to both scientific computing and machine learning\, forming the basis of neural network training\, uncertainty quantification\, and high-performance computing. For example\, a researcher hoping to incorporate their climate simulation into a machine learning model must also provide a corresponding derivative simulation. My compiler\, Enzyme\, automatically generates these derivatives from existing computer programs\, without modifying the original application. Moreover\, operating within the compiler enables Enzyme to combine differentiation with program optimization\, resulting in asymptotically and empirically faster code. Looking forward\, this talk will also touch on how this domain-agnostic compiler approach can be applied to new directions\, including probabilistic programming.
URL:https://seasevents.nmsdev7.com/event/ese-spring-seminar-supercharging-programming-through-compiler-technology/
LOCATION:Raisler Lounge (Room 225)\, Towne Building\, 220 South 33rd Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Colloquium
ORGANIZER;CN="Electrical and Systems Engineering":MAILTO:eseevents@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20230316T153000
DTEND;TZID=America/New_York:20230316T163000
DTSTAMP:20260405T180107
CREATED:20230301T142332Z
LAST-MODIFIED:20230301T142332Z
UID:10007502-1678980600-1678984200@seasevents.nmsdev7.com
SUMMARY:CIS Seminar: "Designing Provably Performant Networked Systems"
DESCRIPTION: As networked systems become critical infrastructure\, their design must reflect their new societal role. Today\, we build systems with hundreds of heuristics but often do not understand their inherent and emergent behaviors. I will present a set of tools and techniques to prove performance properties of heuristics running in real-world conditions. Rigorous proofs can not only inspire confidence in our designs\, but also give counter-intuitive insights about their performance. \nA key theme in our approach is to model uncertainty in systems using non-random\, non-deterministic objects that cover a wide range of possible behaviors under a single abstraction. Such models allow us to analyze complex system behaviors using automated reasoning techniques. I will present automated tools to analyze congestion control and process scheduling algorithms. These tools prove performance properties and find counter-examples where widely deployed heuristics fail. I will also show that current end-to-end congestion control algorithms that bound delay cannot avoid starvation and present a method to beamform wireless signals using thousands of antennas.
URL:https://seasevents.nmsdev7.com/event/cis-seminar-designing-provably-performant-networked-systems/
LOCATION:Wu and Chen Auditorium (Room 101)\, Levine Hall\, 3330 Walnut Street\, Philadelphia\, PA\, 19104\, United States
ORGANIZER;CN="Computer and Information Science":MAILTO:cherylh@cis.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20230317T103000
DTEND;TZID=America/New_York:20230317T114500
DTSTAMP:20260405T180107
CREATED:20230214T164205Z
LAST-MODIFIED:20230214T164205Z
UID:10007477-1679049000-1679053500@seasevents.nmsdev7.com
SUMMARY:Spring 2023 GRASP on Robotics: Emilio Frazzoli\, ETH Zürich\, "A self-contained karma economy for socially efficient and equitable autonomy"
DESCRIPTION:This is a hybrid event with in-person attendance in Wu and Chen and virtual attendance via Zoom. This week’s presenter will be in-person as well. \n  \nABSTRACT\nAutonomous systems of the near future have the potential to impact and improve our lives in unprecedented ways. As an example\, an autonomous taxi service can be instructed to take the socially responsible route minimizing congestion (and associated carbon emissions) instead of the purely selfish shortest route. In order for such a system to be robust and gain public acceptance\, it is critical that it respects the users’ personal incentives\, as well as ensures that different users enjoy equitable service. Until now\, the vast majority of incentive schemes used in engineering systems have been monetary. Examples include road-tolling to reduce traffic congestion\, surge-pricing to manage excessive demand in ride-hailing\, and time-varying energy tariffs to encourage consumption off peak hours. In this talk\, we argue that the use of money in engineering systems is fundamentally flawed. The sensitivity of users to money can vary widely for factors outside the system (e.g.\, income and inter-generational wealth accumulation)\, and therefore monetary schemes implicitly favor the wealthy. We introduce the concept of a self-contained karma economy as an alternative incentive scheme. In a karma economy\, each user is endowed with tokens (called karma) that are non-tradable for money\, and the users repeatedly obtain or yield a preferential service in exchange of karma. We demonstrate this concept on the stylized yet insightful example of autonomous intersection management\, where an agent passing first in an intersection transfers karma to that yielding. We lay the mathematical foundations that ensure that such an economy is well-defined and the strategic behavior of its users (i.e.\, how much karma they spend) can be predicted. We then analyze the performance of the karma economy in numerical case studies\, showcasing that it achieves socially efficient outcomes in a self-contained\, and thereby equitable\, manner.
URL:https://seasevents.nmsdev7.com/event/spring-2023-grasp-on-robotics-emilio-frazzoli/
LOCATION:Wu and Chen Auditorium (Room 101)\, Levine Hall\, 3330 Walnut Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Seminar
ORGANIZER;CN="General Robotics%2C Automation%2C Sensing and Perception (GRASP) Lab":MAILTO:grasplab@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20230317T150000
DTEND;TZID=America/New_York:20230317T180000
DTSTAMP:20260405T180107
CREATED:20230314T154315Z
LAST-MODIFIED:20230314T154315Z
UID:10007516-1679065200-1679076000@seasevents.nmsdev7.com
SUMMARY:Celebration of Diversity
DESCRIPTION:Presented by Penn Engineering’s Office of Diversity\, Equity & Inclusion (ODEI) \, the Underrepresented Student Advisory Board in Engineering (USABE)\, the Penn chapter of the National Society of Black Engineers (NSBE)\, the Penn chapter of the Society of Hispanic Professional Engineers (SHPE)\, and the Penn Society of Women Engineers (SWE)\, the gathering will include remarks from student and alumni speakers\, creative performances\, and – of course – delicious food. This event is an opportunity to celebrate students\, staff\, and faculty from all backgrounds and to reinforce a sense of solidarity. \n  \nWe hope to see you there! \n  \n 
URL:https://seasevents.nmsdev7.com/event/celebration-of-diversity/
LOCATION:Wu and Chen Auditorium (Room 101)\, Levine Hall\, 3330 Walnut Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Diversity, Equity and Inclusion
ATTACH;FMTTYPE=image/png:https://seasevents.nmsdev7.com/wp-content/uploads/2023/03/Celebration-of-Diversity-Flyer.png
ORGANIZER;CN="Office of Diversity%2C Equity and Inclusion":MAILTO:odei@seas.upenn.edu
END:VEVENT
END:VCALENDAR