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DTSTART;TZID=America/New_York:20230228T153000
DTEND;TZID=America/New_York:20230228T163000
DTSTAMP:20260404T194316
CREATED:20230222T170751Z
LAST-MODIFIED:20230222T170751Z
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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:20230228T123000
DTEND;TZID=America/New_York:20230228T133000
DTSTAMP:20260404T194316
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:20230228T103000
DTEND;TZID=America/New_York:20230228T113000
DTSTAMP:20260404T194316
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:20230228T103000
DTEND;TZID=America/New_York:20230228T113000
DTSTAMP:20260404T194316
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:20230228T100000
DTEND;TZID=America/New_York:20230228T113000
DTSTAMP:20260404T194316
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:20230227T150000
DTEND;TZID=America/New_York:20230227T160000
DTSTAMP:20260404T194316
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:20230227T130000
DTEND;TZID=America/New_York:20230227T140000
DTSTAMP:20260404T194316
CREATED:20230111T150729Z
LAST-MODIFIED:20230111T150729Z
UID:10007421-1677502800-1677506400@seasevents.nmsdev7.com
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:20230224T133000
DTEND;TZID=America/New_York:20230224T150000
DTSTAMP:20260404T194316
CREATED:20230123T165500Z
LAST-MODIFIED:20230123T165500Z
UID:10007434-1677245400-1677250800@seasevents.nmsdev7.com
SUMMARY:CEMB Panel: Recruiting and Supporting URM PhD students
DESCRIPTION:Join the discussion on challenges and strategies in the recruitment of URM PhD students and supporting them in graduate study. Invited panelists will provide their perspectives at the graduate program\, research center\, and laboratory levels. \nJoin in person or via Zoom. Please contact annjeong@seas.upenn.edu at least one day prior for Zoom link.
URL:https://seasevents.nmsdev7.com/event/cemb-panel-recruiting-and-supporting-urm-phd-students/
LOCATION:Wu and Chen Auditorium (Room 101)\, Levine Hall\, 3330 Walnut Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Faculty,Graduate,Panel Discussion,Diversity, Equity and Inclusion
ORGANIZER;CN="Center for Engineering MechanoBiology (CEMB)":MAILTO:annjeong@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20230224T103000
DTEND;TZID=America/New_York:20230224T114500
DTSTAMP:20260404T194316
CREATED:20230202T215623Z
LAST-MODIFIED:20230202T215623Z
UID:10007453-1677234600-1677239100@seasevents.nmsdev7.com
SUMMARY:Spring 2023 GRASP on Robotics: Jitendra Malik\, University of California at Berkeley\, "Robots that Learn and Adapt"
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\nDeep learning has resulted in remarkable breakthroughs in fields such as speech recognition\, computer vision\, natural language processing\, and protein structure prediction. Robotics has proved to be much more challenging as there are no pre-existing repositories of behavior to draw upon; rather the robot has to learn from its own trial and error in its own specific body\, and it has to generalize and adapt. To make this feasible\, we have developed “Rapid Motor Adaptation”\, a novel technique for adaptive control in the framework of deep reinforcement learning. Using this\, we can train robots in simulation and then transfer the skills directly to robots in the real world. I will show multiple examples – quadruped legged locomotion\, biped locomotion\, in-hand rotation\, flying quadcopters – of the success of this approach. I will also show examples of life-long learning in robotics\, by continuous adaptation of perception and action in deployed systems.
URL:https://seasevents.nmsdev7.com/event/spring-2023-grasp-on-robotics-jitendra-malik/
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:20230223T153000
DTEND;TZID=America/New_York:20230223T163000
DTSTAMP:20260404T194316
CREATED:20230206T192734Z
LAST-MODIFIED:20230206T192734Z
UID:10007468-1677166200-1677169800@seasevents.nmsdev7.com
SUMMARY:CIS Seminar: "Cryptography\, Security\, and Law"
DESCRIPTION:My research focuses on the security\, privacy\, and transparency of technologies in societal and legal context. My talk will focus on three of my recent works in this space\, relating to (1) preventing exploitation of stolen email data\, (2) enhancing accountability in electronic surveillance\, and (3) legal risks faced by security researchers.
URL:https://seasevents.nmsdev7.com/event/cis-seminar-cryptography-security-and-law/
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:20230223T103000
DTEND;TZID=America/New_York:20230223T113000
DTSTAMP:20260404T194316
CREATED:20230216T202843Z
LAST-MODIFIED:20230216T202843Z
UID:10007480-1677148200-1677151800@seasevents.nmsdev7.com
SUMMARY:MSE Seminar: "Design of Stable Nanocrystalline Alloys: Thermodynamics\, Computation\, and Data Science" (Massachusetts Institute of Technology)
DESCRIPTION:Over the last three decades\, nanocrystalline alloys (polycrystals with grain sizes of less than 100 nm) have been shown to exhibit superior material properties\, such as enhanced specific strength\, hardness\, wear resistance\, radiation resistance\, and magnetic properties. However\, such structures are inherently thermodynamically unstable; a nanocrystalline configuration comes with a large volume fraction of high-energy bearing defects that introduce a large excess of energy in the structure. The key route to overcome this limitation and thermodynamically stabilize nanocrystalline metals against grain growth is through intentional alloying for grain boundary segregation. To date\, the standard approach to designing and screening for nanocrystalline stability uses a highly simplified model in which grain boundary networks are treated as a “single” entity\, and the tendency of solute atoms to segregate at those boundaries is quantified by an “averaged” value. This simplification\, however\, ignores the fact that grain boundaries in polycrystals have a vast range of local atomic environments that can attract or repel solute atoms to different degrees. In this talk\, I will review our recent efforts to tackle this simplification by developing thermodynamic\, computational\, and data science frameworks to (i) thoroughly understand the phenomenon of grain boundary segregation at the atomistic scale\, (ii) develop comprehensive segregation databases for hundreds of substitutional alloys\, and (iii) leverage that knowledge and data into developing rigorous design and screening criteria for nanocrystalline alloys that take into account the spectrality of the grain boundary network.
URL:https://seasevents.nmsdev7.com/event/mse-seminar-design-of-stable-nanocrystalline-alloys-thermodynamics-computation-and-data-science/
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:20230223T100000
DTEND;TZID=America/New_York:20230223T113000
DTSTAMP:20260404T194316
CREATED:20230209T143702Z
LAST-MODIFIED:20230209T143702Z
UID:10007470-1677146400-1677151800@seasevents.nmsdev7.com
SUMMARY:MEAM Seminar: "Mechanics for Energy Sustainability: From Fatigue of 2D Materials to Dendrites in Solid-state Batteries"
DESCRIPTION:Achieving energy sustainability requires efforts from not only sourcing clean energy\, but also storing and dispatching energy whenever and wherever needed\, as well as being energy-efficient whenever possible. Two-dimensional (2D) materials hold great promises as mechanical reinforcement in high strength-to-weight ratio structural materials and as next-generation energy-efficient electronic materials\, both of which contribute to less energy consumption with improved performance. Among energy-storage technologies\, solid-state batteries (SSB) are particularly attractive due to potentially higher energy density and safer non-flammable solid electrolytes compared with conventional lithium-ion batteries. However\, both 2D materials and components of SSB are often exposed to static and dynamic mechanical stresses\, posing critical challenges towards their wide applications. The first part of the talk will discuss the mechanical fatigue behavior of 2D materials and their interfaces\, reveal their unconventional failure mechanisms\, and propose practical strategies to improve their mechanical reliability. The second part will focus on the lithium dendrite issues in SSB and discuss the coupled electro-chemo-mechanical effect in the failure of a garnet solid electrolyte. Through in-situ FIB/SEM experiments\, the critical role of stress in regulating the failure of SSB during fast charging is revealed.
URL:https://seasevents.nmsdev7.com/event/meam-seminar-mechanics-for-energy-sustainability-from-fatigue-of-2d-materials-to-dendrites-in-solid-state-batteries/
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:20230222T153000
DTEND;TZID=America/New_York:20230222T163000
DTSTAMP:20260404T194316
CREATED:20230206T141306Z
LAST-MODIFIED:20230206T141306Z
UID:10007458-1677079800-1677083400@seasevents.nmsdev7.com
SUMMARY:CBE Seminar Series: "Developing Strategies for Polymer Redesign and Recycling Using Reaction Pathway Analysis" (Linda Broadbelt\, Northwestern University)
DESCRIPTION:Abstract: \nThe current lack of sustainability of and the limited portfolio of recycling processes for synthetic polymers have posed serious threats to the environment. Using reaction pathway analysis\, we are pursuing a portfolio of strategies for redesign and recycling of polymers for sustainability. Pyrolysis is a promising method for resource recovery from plastic waste that is compatible with current petrochemical infrastructure that thermally converts polymers in the absence of oxygen into valuable chemical feedstocks and monomer. To provide further insight into polymer pyrolysis\, a greater understanding of the mechanistic and kinetic details of the underlying reaction network is needed. To handle the complexity of mechanistic modeling of polymer degradation\, we have developed both continuum and kinetic Monte Carlo (kMC) models. Alternatively\, redesign efforts focusing on polymers that can be reused and recycled to monomers can lead to sustainable solutions for the plastics waste problem. One pathway to success is to identify bioprivileged molecules\, biology-derived chemical intermediates that can be efficiently converted to a diversity of chemical products\, including both novel molecules and drop-in replacements\, and molecules emanating from them that can be used as monomers leading to recyclable polymers. We have developed a framework for molecule discovery and reaction pathway design that is automated and flexible and can be used to screen for bioprivileged candidates and target molecules. The application to discovery of known and novel monomers for poly(hydroxyurethanes) that are derived from biobased molecules and lead to recyclable materials will be discussed\, and computational methods to evaluate the recyclability of different polymers will be outlined. \n  \nBio: \nLinda Broadbelt is Sarah Rebecca Roland Professor in the Department of Chemical and Biological Engineering (ChBE) and Associate Dean for Graduate Research and Education of Engineering at Northwestern University. She was Chair of the Department of ChBE from 2009-2017. Her research and teaching interests are in multiscale modeling\, complex kinetics modeling\, catalysis\, novel biochemical pathways\, and polymerization/depolymerization kinetics. She served as the Past Chair\, Chair\, First Vice Chair and Second Vice Chair of the Catalysis and Reaction Engineering Division of AIChE\, and also served on the Executive Board of the National Program Committee of AIChE and the Board of Directors. She is currently an Associate Editor for Industrial&Engineering Chemistry Research and ACS Engineering Au. Her honors include selection as the winner of the R.H. Wilhelm Award in Chemical Reaction Engineering from AIChE\, the E.V. Murphree Award in Industrial Chemistry and Engineering from the American Chemical Society\, the Dorothy Ann and Clarence Ver Steeg Award\, a CAREER Award from the National Science Foundation\, and an AIChE Women’s Initiative Committee Mentorship Excellence Award\, and selection as a Fellow of the American Association for the Advancement of Science\, a Fellow of AIChE\, a Fellow of AIMBE\, and a Fulbright Distinguished Scholar. She was elected to the National Academy of Engineering in 2019. In 2021\, she was elected to the American Academy of Arts & Sciences.
URL:https://seasevents.nmsdev7.com/event/cbe-seminar-series-developing-strategies-for-polymer-redesign-and-recycling-using-reaction-pathway-analysis-linda-broadbelt-northwestern-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:20230222T150000
DTEND;TZID=America/New_York:20230222T160000
DTSTAMP:20260404T194316
CREATED:20230213T220432Z
LAST-MODIFIED:20230213T220432Z
UID:10007476-1677078000-1677081600@seasevents.nmsdev7.com
SUMMARY:Spring 2023 GRASP SFI: Jinwei Ye\, George Mason University\, "Seeing 3D with Polarized Light"
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\nPolarization is a fundamental property of light that describes the direction in which the electric field of light oscillates. Polarization\, as an intrinsic property of light\, provides an extra dimension of information for probing the physical world. Many insects can see and make use of polarized light. For example\, bumble bees use the sky’s polarization pattern for fast navigation. However\, the polarization of light is often overlooked in computer vision as human eyes do not have such sensitivity. In this talk\, I will talk about the principles of polarization sensing and the modeling of polarimetric appearance. I will showcase several polarimetric imaging solutions for performing high quality 3D reconstruction in challenging scenes. I will also demonstrate their applications in robotic sensing.
URL:https://seasevents.nmsdev7.com/event/spring-2023-grasp-sfi-jinwei-ye/
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:20230222T120000
DTEND;TZID=America/New_York:20230222T140000
DTSTAMP:20260404T194316
CREATED:20230207T154904Z
LAST-MODIFIED:20230207T154904Z
UID:10007469-1677067200-1677074400@seasevents.nmsdev7.com
SUMMARY:Jennifer Crossen Dissertation Defense
DESCRIPTION:
URL:https://seasevents.nmsdev7.com/event/jennifer-crossen-dissertation-defense/
LOCATION:Glandt Forum\, Singh Center for Nanotechnology\, 3205 Walnut Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Dissertation or Thesis Defense
ORGANIZER;CN="Chemical and Biomolecular Engineering":MAILTO:cbemail@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20230222T110000
DTEND;TZID=America/New_York:20230222T120000
DTSTAMP:20260404T194316
CREATED:20230123T164947Z
LAST-MODIFIED:20230123T164947Z
UID:10007433-1677063600-1677067200@seasevents.nmsdev7.com
SUMMARY:Future Leaders in Mechanobiology: Windie Hofs (Crick Institute/UCL)
DESCRIPTION:Launched in May 2021\, the Future Leaders in Mechanobiology is a monthly seminar series featuring up-and-coming leaders in mechanobiology–PhD students and postdocs from a wide range of fields\, backgrounds\, and institutions. By providing an international stage to share one’s work and opportunities to interact with researchers at all career stages\, we aim to create an inclusive and valuable series for early-stage researchers and the mechanobiology community as a whole. \nFuture Leaders in Mechanobiology will meet via Zoom on the third Wednesday of the month\, at 11am ET (8am PT\, 10am CT)\, and all are welcome to attend. Recordings of past talks and the future schedule can be found below. \nRegister here: https://upenn.zoom.us/j/98208519228?pwd=aFN5aE5wdTVmbXVKNVNqMXZ4WU01dz09
URL:https://seasevents.nmsdev7.com/event/future-leaders-in-mechanobiology-windie-hofs-crick-institute-ucl/
LOCATION:https://upenn.zoom.us/j/96715197752
CATEGORIES:Seminar
ORGANIZER;CN="Center for Engineering MechanoBiology (CEMB)":MAILTO:annjeong@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20230221T153000
DTEND;TZID=America/New_York:20230221T163000
DTSTAMP:20260404T194316
CREATED:20230206T192128Z
LAST-MODIFIED:20230206T192128Z
UID:10007467-1676993400-1676997000@seasevents.nmsdev7.com
SUMMARY:CIS Seminar: "Secure Computation with Minimal Interaction"
DESCRIPTION:In the current digital and decentralized world\, there is an imminent need for technologies that can provide a fast approach to compute on private data while guaranteeing secrecy. Secure Multiparty Computation (MPC) is one such cryptographic technology that provides an efficient approach to compute on private data. At a high level\, MPC is a distributed computation protocol that allows a set of mutually distrusting parties to compute a joint function on their private inputs while only leaking the output and hiding everything else. \nAny distributed computation protocol typically involves multiple rounds of back-and-forth interaction between the parties. A key question that is of both theoretical and practical importance is to minimize the number of rounds of such interaction to its absolute limit. This is the problem of constructing round-optimal MPC protocols. \nIn this talk\, I will describe new techniques to construct such round-optimal protocols. These techniques have been instrumental in resolving several long-standing open problems in the area and have also opened up the possibility of constructing practically efficient round-optimal protocols.
URL:https://seasevents.nmsdev7.com/event/cis-seminar-secure-computation-with-minimal-interaction/
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:20230221T123000
DTEND;TZID=America/New_York:20230221T133000
DTSTAMP:20260404T194316
CREATED:20230213T133421Z
LAST-MODIFIED:20230213T133421Z
UID:10007473-1676982600-1676986200@seasevents.nmsdev7.com
SUMMARY:ESE Spring Seminar - "In pursuit of entanglement: XXZ interactions for spin-squeezing in atomic and solid-state spin ensembles"
DESCRIPTION:Controlling many-body entanglement promises to yield both fundamental insights and practical advances. In particular\, generating squeezed states for entanglement-enhanced metrology is an important near-term application of quantum systems. In past work\, squeezing has been achieved in a clean\, controlled setting using all-to-all Ising interactions between ultracold atoms in an optical cavity. By contrast\, optically-addressable spin defects in solids\, such as the nitrogen-vacancy center in diamond\, are far more practical and versatile sensors\, but it is not known whether the requisite ingredients for generating and detecting squeezing are attainable in this platform. \nIn this talk\, I will discuss two complementary approaches for generating squeezed states using XXZ interactions. The first approach centers around a cavity QED platform designed to realize programmable\, nonlocal spin-spin couplings. Specifically\, we implement an all-to-all XXZ Hamiltonian with tunable anisotropy\, strength\, and sign. Images of the resulting magnetization dynamics show that XXZ interactions protect spin coherence against spatial inhomogeneities\, which may enhance the robustness of future spin-squeezing protocols. \nThe robustness of the XXZ model against disorder opens the door to squeezing via long-range dipolar interactions within an ensemble of spin defects in diamond\, for which we identify and achieve the key required ingredients: (i) a theory that elucidates if and how power-law XXZ interactions generate squeezing; (ii) a two-dimensional ensemble of strongly-interacting\, optically-polarizable spins; (iii) methods for detecting squeezing despite significant technical noise.
URL:https://seasevents.nmsdev7.com/event/ese-spring-seminar-in-pursuit-of-entanglement-xxz-interactions-for-spin-squeezing-in-atomic-and-solid-state-spin-ensembles/
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:20230221T100000
DTEND;TZID=America/New_York:20230221T113000
DTSTAMP:20260404T194316
CREATED:20230206T162434Z
LAST-MODIFIED:20230206T162434Z
UID:10007463-1676973600-1676979000@seasevents.nmsdev7.com
SUMMARY:MEAM Seminar: "Leveraging Unsteady Flows for Enhanced Performance in Wind-Energy Systems"
DESCRIPTION:Wind energy is poised to play a considerable role in the global transition to clean-energy technologies within the next few decades. Modern wind turbines\, like aircraft and other aerodynamic structures\, are typically designed with the assumption that the flows they encounter will be uniform and steady. However\, atmospheric flows are highly unsteady\, and systems operating within them must contend with gust disturbances that can lead to performance losses and structural damage. Therefore\, the next generation of wind-energy systems requires physics-informed design principles that effectively account for and even leverage these unsteady flow phenomena for enhanced power generation\, robustness\, and operational longevity. Accordingly\, this talk presents experimental and analytical efforts to characterize unsteady aerodynamics in wind-turbine contexts. First\, we study the effects of unsteady streamwise motion on turbine performance\, as recent work has suggested that these dynamics may enable time-averaged efficiencies that exceed the steady-flow Betz limit on turbine efficiency. The power production of and flow around a periodically surging wind turbine are thus investigated using experiments and analytical modeling\, which suggest that floating offshore wind turbines could leverage unsteady surge motions for power-production gains of up to 6% over the stationary case. Additionally\, field measurements in the wakes of full-scale vertical-axis wind turbines using artificial snow as tracer particles yield insights into the contributions of unsteady vortex dynamics to the performance of turbines in wind-farm arrays. These investigations provide the analytical and experimental foundations for future studies of unsteady atmospheric flows\, which will lead to the development of principles and techniques for wind-farm siting\, control\, and optimization.
URL:https://seasevents.nmsdev7.com/event/meam-seminar-leveraging-unsteady-flows-for-enhanced-performance-in-wind-energy-systems/
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:20230220T130000
DTEND;TZID=America/New_York:20230220T140000
DTSTAMP:20260404T194316
CREATED:20230206T141132Z
LAST-MODIFIED:20230206T141132Z
UID:10007457-1676898000-1676901600@seasevents.nmsdev7.com
SUMMARY:CBE Seminar Series: "Engineered CRISPR Systems for Disease Treatment and Diagnostics" (Xue Sherry Gao\, Rice University)
DESCRIPTION:Abstract: \nThe recent discovery of the CRISPR genome editing systems has been revolutionizing both basic biological research and the treatment of human genetic disorders. However\, there are remaining challenges in improving the precision and multiplexity of the current CRISPR systems for genome manipulation. In this seminar\, I will overview our recent development of highly specific and powerful genome-editing tools for the treatment and diagnostics of diseases and the discovery of\nnew potential small-molecule drugs. First\, I will introduce the development of high-precision and multiplex CRISPR genome-editing strategies for safe and effective molecular therapy to treat genetic disorders; Second\, I will describe the application of these advanced CRISPR tools for fungi genome engineering to enable the production of novel small molecules with therapeutic potential; Finally\, I will present the improved ultrasensitive viral detection by using the engineered CRISPR systems to advance timely and accurate diagnostics for the current and future pandemics and epidemics. \nBio: \nDr. Xue (Sherry) Gao obtained her doctoral degree in Chemical and Biomolecular Engineering from the University of California\, Los Angeles in 2013. She was a postdoctoral associate in the Chemistry and Chemical Biology Department at Harvard University and the Broad Institute of MIT and Harvard. Dr. Gao joined Rice University in the Department of Chemical and Biomolecular Engineering as the Ted N. Law assistant professor in July 2017. In the past five years\, Dr. Gao won the 2022 NSF CAREER AWARD\, the 2022 Outstanding Young Faculty of Rice School of Engineering\, the 2020 NIH Maximizing Investigators’ Research Award\, the 2018 InterDisciplinary Excellence Award\, and the 2018 Hamill Innovation Award from Rice\, etc.
URL:https://seasevents.nmsdev7.com/event/cbe-seminar-series-engineered-crispr-systems-for-disease-treatment-and-diagnostics-xue-sherry-gao-rice-university/
LOCATION:Glandt Forum\, Singh Center for Nanotechnology\, 3205 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:20230217T103000
DTEND;TZID=America/New_York:20230217T114500
DTSTAMP:20260404T194316
CREATED:20230124T154301Z
LAST-MODIFIED:20230124T154301Z
UID:10007442-1676629800-1676634300@seasevents.nmsdev7.com
SUMMARY:Spring 2023 GRASP on Robotics: Jeremy D. Brown\, Johns Hopkins University\, "Understanding the Utility of Haptic Feedback in Telerobotic Devices"
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\nThe human body is capable of dexterous manipulation in many different environments. Some environments\, however\, are challenging to access because of distance\, scale\, and limitations of the body itself. In many of these situations\, access can be effectively restored via a telerobot. Dexterous manipulation through a telerobot is possible only if the telerobot can accurately relay any sensory feedback resulting from its interactions in the environment to the operator. In this talk\, I will discuss recent work from our lab focused on the application of haptic feedback in various telerobotic applications. I will begin by describing findings from recent investigations comparing different haptic feedback and autonomous control approaches for upper-extremity prosthetic limbs\, as well as the cognitive load of haptic feedback in these prosthetic devices. I will then discuss recent discoveries on the potential benefits of haptic feedback in robotic minimally invasive surgery (RAMIS) training. Finally\, I will discuss current efforts in our lab to measure haptic perception through novel telerobotic interfaces.
URL:https://seasevents.nmsdev7.com/event/spring-2023-grasp-on-robotics-jeremy-d-brown/
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:20230216T153000
DTEND;TZID=America/New_York:20230216T163000
DTSTAMP:20260404T194316
CREATED:20230206T191346Z
LAST-MODIFIED:20230206T191346Z
UID:10007466-1676561400-1676565000@seasevents.nmsdev7.com
SUMMARY:CIS Seminar: "Birds of a Feather Flock Together: How Homophily Leads to Segregation\, Inequality\, and Inefficiency and What We Can Do About It"
DESCRIPTION:Humans exhibit a strong tendency to associate with those similar to them. This tendency\, termed homophily in the social sciences\, impacts both the structure of society and its outcomes. In this talk\, Nicole Immorlica discusses the mathematics of homophily. She first quantifies its theoretical implications for geographic segregation. We will see that even tolerant societies exhibit segregation\, as weak local preferences can have ripple effects with global consequences. This geographic segregation\, in turn\, reinforces homophily. Immorlica then explores the role of homophily in inequality and economic productivity. She starts from the observation that most employment is driven by referrals. As social networks tend to exhibit homophily\, these referrals are also homophilous\, perpetuating existing inequality. This inequality\, in turn\, is harmful to productivity\, causing inefficiencies in the economy. She concludes by suggesting policy interventions that can both reduce inequality and improve productivity.  Finally\, should time permit\, she explores a rational basis for homophily in social networks\, showing that people prefer to listen to those similar to them because they get more accurate information from such interactions.
URL:https://seasevents.nmsdev7.com/event/cis-seminar-birds-of-a-feather-flock-together-how-homophily-leads-to-segregation-inequality-and-inefficiency-and-what-we-can-do-about-it/
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:20230216T153000
DTEND;TZID=America/New_York:20230216T163000
DTSTAMP:20260404T194316
CREATED:20230105T171916Z
LAST-MODIFIED:20230105T171916Z
UID:10007410-1676561400-1676565000@seasevents.nmsdev7.com
SUMMARY:BE Seminar: "Programming multicellular interactions and organization using synthetic cell adhesion molecules" (Adam Stevens\, UCSF)
DESCRIPTION:Cell adhesion molecules (CAMs) are ubiquitous in multicellular organisms and specify precise cellular interactions in processes as diverse as tissue development and immune cell trafficking. We have generated an array of synthetic CAMs by combining orthogonal extracellular interactions with native intracellular domains. Diverse homotypic or heterotypic extracellular binding domains specify the connectivity between cells\, while the intracellular domain identity dictates interface morphology and mechanics. This approach highlights CAM modularity and enables rationally programmed assembly and remodeling of multicellular architectures. Overall\, these tools offer new customizable capabilities for cell and tissue engineering and for systematically studying multicellular organization.
URL:https://seasevents.nmsdev7.com/event/be-seminars-adams-stevens-ucsf/
LOCATION:Glandt Forum\, Singh Center for Nanotechnology\, 3205 Walnut Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Seminar,Postdoctoral
ORGANIZER;CN="Bioengineering":MAILTO:be@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20230216T140000
DTEND;TZID=America/New_York:20230216T160000
DTSTAMP:20260404T194316
CREATED:20230213T201930Z
LAST-MODIFIED:20230213T201930Z
UID:10007475-1676556000-1676563200@seasevents.nmsdev7.com
SUMMARY:ESE PhD Thesis Defense: "Accelerating FPGA Developments from C to Bitstreams by Partial Reconfiguration"
DESCRIPTION:Divide-and-Conquer and incremental compilation strategies are widely used in software compilations. To enable these strategies for FPGAs\, this dissertation presents an open-source framework called PRflow\, which can speed up the compilation times by at most an order of magnitude. PRflow supports different optimization levels to make better trade-offs among compile-time\, area\, and performance. -O0 (PRflow_RISCV) maps applications to a cluster of on-chip RISC-V cores within seconds for quick verification and debugging. -O1 (PRflow) compiles the separate parts of an application to partial FPGA bitstreams for different Partial reconfigurable regions on the chip. Individual parts can be compiled in parallel within 24 minutes. The interconnections between separate parts can be recompiled by configuring the NoC by sending configuration packets by the host. -O2 (PRflow_DW) supports inter-connection customization with a fixed page-size overlay on top of commercial FPGA to meet high inter-page bandwidth requirements which can improve the performance by up to 10X compared with -O1. -O3 (PRflow_HiPR) supports overlay customization for higher inter-page throughput and various size requirements with similar incremental compile time to -O1 and -O2. This dissertation demonstrates the PRflow framework on the Xilinx Alveo-U50 data-center card with an xcu50-fsvh2104-2-e FPGA chip (14nm FinFET) by mapping Rosetta HLS complete benchmark set. PRflow can accelerate the compilation times from 2–3 hours (state-of-art Vitis) to 10-24 minutes.
URL:https://seasevents.nmsdev7.com/event/ese-phd-thesis-defense-accelerating-fpga-developments-from-c-to-bitstreams-by-partial-reconfiguration/
LOCATION:Cora Ingrum Conference Room (Towne 215 – enter at Towne 211)
CATEGORIES:Dissertation or Thesis Defense
ORGANIZER;CN="Electrical and Systems Engineering":MAILTO:eseevents@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20230215T153000
DTEND;TZID=America/New_York:20230215T163000
DTSTAMP:20260404T194316
CREATED:20230206T140952Z
LAST-MODIFIED:20230206T140952Z
UID:10007456-1676475000-1676478600@seasevents.nmsdev7.com
SUMMARY:CBE Seminar Series: "A New Phase of Biological Controls: A Design Framework for Programmable Synthetic Biomolecular Condensates and the Mechanisms of a Functional Liquid-Liquid Interface" (Yifan Dai\, Duke University)
DESCRIPTION:Abstract: \nA fundamental question in nature is how the cellular processes are organized with sequential and spatial precision in a dynamic and densely packed environment. Evidence is now mounting that biomolecular condensation\, a demixing process mediated by phase separation coupled with percolation\, dictates the organization principles of cellular biochemistry. From the perspective of synthetic biology\, programmable condensation in living cells represents a new fundamental capability for biological design\, going beyond the current engineering capability of lock-and-key interactions. In the first part of the talk\, I will introduce a rational design strategy of synthetic intrinsically disordered proteins toward functional synthetic biomolecular condensates for cellular controls in bacteria and human cells. I will demonstrate the applications of synthetic condensates on four distinct cellular processes: cell division\, transcription\, translation\, and modulation of protein circuits\, providing a toolbox for orthogonal central dogma. \nIn the second part of the talk\, I will dig into the physical chemistry principles of condensate microenvironments\, by which condensates can encode unique electrochemical features at its liquid-liquid interface. I will introduce a theoretical framework we developed for condensate interface\, which allows us to understand the density transition process of condensate formation from the perspective of electrochemistry. I will then discuss our experimental discoveries on the fundamental electrochemical properties of liquid-liquid interface and how these features can regulate cellular processes. These discoveries open new directions of condensate research and provide answers for many previously unexplained biological activities of biomolecular condensates. \nOverall\, the first work has established a design principle for programmable condensation as a new capability of synthetic biology. The second work combining insights from physical chemistry\, electrochemistry and cell biology has delivered a new paradigm for understanding how condensates can engender cellular functions through its chemical environments and liquid-liquid interface. \nBio: \nYifan Dai is a postdoc associate at the Department of Biomedical Engineering at Duke University\, co-advised by Professor Ashutosh Chilkoti and Professor Lingchong You. He obtained his B.S. and Ph.D. in 2017 and 2020 both in Chemical and Biomolecular Engineering from Case Western Reserve University. Since his undergraduate\, he had worked on engineering strategies to integrate synthetic biology with electrochemistry to enable translation of biological signals into electricity for biosensing applications\, which have led to multiple licensed technologies. In his postdoc\, he has worked on 1) uncovering the principles of biomolecular phase transitions for engineering biology and 2) establishing the theoretical framework of condensate microenvironments and liquid-liquid interface.
URL:https://seasevents.nmsdev7.com/event/cbe-seminar-series-a-new-phase-of-biological-controls-a-design-framework-for-programmable-synthetic-biomolecular-condensates-and-the-mechanisms-of-a-functional-liquid-liquid-interface-yifan-dai/
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:20230215T133000
DTEND;TZID=America/New_York:20230215T143000
DTSTAMP:20260404T194316
CREATED:20230206T183548Z
LAST-MODIFIED:20230206T183548Z
UID:10007465-1676467800-1676471400@seasevents.nmsdev7.com
SUMMARY:CIS Seminar: "Methods of Data Lookup with Hashing"
DESCRIPTION:We will discuss methods of data lookup\, with a focus on hash sets / tables\, including motivation\, properties\, and variants. This will be in the context of a “CS 2” or data structures course. We will assume a basic familiarity with programming and comfort with implementing resizable lists; as well as knowledge of (but not necessarily comfort with) asymptotic analysis.
URL:https://seasevents.nmsdev7.com/event/cis-seminar-methods-of-data-lookup-with-hashing/
LOCATION:Levine 307\, 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:20230215T120000
DTEND;TZID=America/New_York:20230215T133000
DTSTAMP:20260404T194316
CREATED:20230104T183109Z
LAST-MODIFIED:20230104T183109Z
UID:10007400-1676462400-1676467800@seasevents.nmsdev7.com
SUMMARY:ASSET Seminar: Decision-Aware Learning for Global Health Supply Chains\, Osbert Bastani (University of Pennsylvania)
DESCRIPTION:Abstract: \nMachine learning algorithms are increasingly used in conjunction with optimization to guide decision making. A key challenge is aligning the machine learning loss with the decision-making loss. Existing solutions have limited flexibility and/or scale poorly to large datasets. We propose a principled decision-aware learning algorithm that uses a Taylor expansion of the optimal decision loss to derive the machine learning loss. Importantly\, our approach only requires a simple re-weighting of the training data\, allowing it to easily and scalably be incorporated into complex modern data science pipelines while producing sizable efficiency gains. We apply our framework to optimize the distribution of essential medicines in Sierra Leone in collaboration with their National Medical Supplies Agency. Out-of-sample results demonstrate that our end-to-end approach significantly reduces unmet demand across 1000+ health facilities throughout Sierra Leone.
URL:https://seasevents.nmsdev7.com/event/asset-seminar-decision-aware-learning-for-global-health-supply-chains-osbert-bastani-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:20230214T153000
DTEND;TZID=America/New_York:20230214T163000
DTSTAMP:20260404T194316
CREATED:20230206T163936Z
LAST-MODIFIED:20230206T163936Z
UID:10007464-1676388600-1676392200@seasevents.nmsdev7.com
SUMMARY:CIS Seminar: "Rethinking System Design for Expressive Cryptography"
DESCRIPTION:Expressive cryptography\, including Secure Multi-Party Computation (SMPC) and Fully Homomorphic Encryption (FHE)\, has the potential to enable transformative new applications\, drawing significant interest from industry. Unfortunately\, it is often slow and resource-intensive\, making those applications difficult to realize. For example\, SMPC enables multiple organizations (e.g.\, hospitals) to run joint computations on their data (e.g.\, for better medical diagnosis and treatment) while keeping the inputs to the computation (e.g.\, patient data) secret. But SMPC can have high memory overhead\, making it difficult to scale such applications to large problem sizes. \nThis talk demonstrates how we can design and build systems to enable expressive cryptography to reach its full transformative potential. For example\, my system MAGE provides virtual memory for SMPC and FHE at nearly zero cost\, allowing them to efficiently scale beyond the system’s available memory. My work in this area also includes JEDI\, which shows how IoT devices can use expressive cryptography efficiently\, and TCPlp\, which was recently adopted in OpenThread\, an open-source network stack used in the smart home industry. By rethinking system design for expressive cryptography\, we can bring stronger security to existing applications and enable exciting new ones.
URL:https://seasevents.nmsdev7.com/event/cis-seminar-rethinking-system-design-for-expressive-cryptography/
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:20230214T100000
DTEND;TZID=America/New_York:20230214T113000
DTSTAMP:20260404T194316
CREATED:20230204T202403Z
LAST-MODIFIED:20230204T202403Z
UID:10007455-1676368800-1676374200@seasevents.nmsdev7.com
SUMMARY:MEAM Seminar: "Data-Aware Computational Models for Science and Engineering"
DESCRIPTION:In the past half-century\, partial differential equation (PDE)-based computational models have emerged as indispensable for science and engineering. However\, remarkable gaps still exist between state-of-the-art simulations and reality\, meaning that many simulations are ineffective in supporting decision-making or design under uncertainty for complex systems (e.g.\, Mars landing). To bridge the gap and fulfill challenging real-world missions\, I develop data-aware computational models that combine increasingly available data with complex PDE-based models to make improved predictions\, together with measures of their uncertainty. \nIn this talk\, I will focus on two complementary approaches to data-aware computational modeling. First\, I will discuss a new Bayesian method for updating/improving computational models and quantifying uncertainties based on measured data: our Kalman inversion approach is built on Kalman filtering and empirically converges in O(10) iterations with O(10) ensemble evaluations per iteration\, enabling effective Bayesian calibration with very few model evaluations. Second\, I will introduce our geometry-aware Fourier neural operator (FNO)\, a deep learning surrogate model which maps a given design geometry to a predicted PDE solution state. We use the automatic differentiation tools of deep learning packages to efficiently compute gradients of the FNO approximation\, enabling real-time multiphysics engineering design optimization. These methods we developed have been successfully applied in complex applications ranging from Mars landing supersonic parachute\, bacteria-resistant catheter design\, the digital twin for airfoil damage detection\, and the Earth system model for climate science.
URL:https://seasevents.nmsdev7.com/event/meam-seminar-data-aware-computational-models-for-science-and-engineering/
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:20230213T130000
DTEND;TZID=America/New_York:20230213T140000
DTSTAMP:20260404T194316
CREATED:20230111T150248Z
LAST-MODIFIED:20230111T150248Z
UID:10007420-1676293200-1676296800@seasevents.nmsdev7.com
SUMMARY:PSOC Seminar: "Multidimensional immunoengineering approaches to enhanced cancer immunotherapy" (Li Tang\, EPFL)
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-overcoming-a-mechanical-immune-checkpoint-for-enhanced-cancer-immunotherapy-li-tang-epfl/
LOCATION:Raisler Lounge (Room 225)\, Towne Building\, 220 South 33rd Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Seminar
ORGANIZER;CN="PSOC":MAILTO:manu@seas.upenn.edu
END:VEVENT
END:VCALENDAR