BEGIN:VCALENDAR VERSION:2.0 PRODID:-//Penn Engineering Events - ECPv6.15.18//NONSGML v1.0//EN CALSCALE:GREGORIAN METHOD:PUBLISH X-ORIGINAL-URL:https://seasevents.nmsdev7.com X-WR-CALDESC:Events for Penn Engineering Events REFRESH-INTERVAL;VALUE=DURATION:PT1H X-Robots-Tag:noindex X-PUBLISHED-TTL:PT1H BEGIN:VTIMEZONE TZID:America/New_York BEGIN:DAYLIGHT TZOFFSETFROM:-0500 TZOFFSETTO:-0400 TZNAME:EDT DTSTART:20220313T070000 END:DAYLIGHT BEGIN:STANDARD TZOFFSETFROM:-0400 TZOFFSETTO:-0500 TZNAME:EST DTSTART:20221106T060000 END:STANDARD BEGIN:DAYLIGHT TZOFFSETFROM:-0500 TZOFFSETTO:-0400 TZNAME:EDT DTSTART:20230312T070000 END:DAYLIGHT BEGIN:STANDARD TZOFFSETFROM:-0400 TZOFFSETTO:-0500 TZNAME:EST DTSTART:20231105T060000 END:STANDARD BEGIN:DAYLIGHT TZOFFSETFROM:-0500 TZOFFSETTO:-0400 TZNAME:EDT DTSTART:20240310T070000 END:DAYLIGHT BEGIN:STANDARD TZOFFSETFROM:-0400 TZOFFSETTO:-0500 TZNAME:EST DTSTART:20241103T060000 END:STANDARD END:VTIMEZONE BEGIN:VEVENT DTSTART;TZID=America/New_York:20230201T120000 DTEND;TZID=America/New_York:20230201T133000 DTSTAMP:20260404T154059 CREATED:20230104T183000Z LAST-MODIFIED:20230104T183000Z UID:10007398-1675252800-1675258200@seasevents.nmsdev7.com SUMMARY:ASSET Seminar: The marriage of logic and learning: will it be a happily ever after?\, Jyotirmoy Deshmukh (University of Southern California) DESCRIPTION:Presentation Abstract: \nHuge strides have made in the widespread adoption of autonomous and human-in-the-loop cyber-physical systems (CPS)\, partly fueled by dramatic improvements in learning-based techniques. An important aspect of such CPS applications is that they are safety-critical: any undesirable behavior by such systems can cause serious harm to human lives or property. The formal methods community has been an advocate of using logic and automata as specifications for safety-critical CPSs\, and the past few decades have seen significant strides in algorithms for their verification\, testing\, and automated synthesis. A new challenge now is the presence of learning-enabled components (LECs) in CPSs\, and in this talk\, we will review some recent work on using logic and learning-based techniques to provide guarantees for CPS applications using LECs. The happiness of this marriage between logic and learning depends on the applicability and scalability of these techniques to real-world systems; we will discuss success stories as well as challenges that need to be solved. URL:https://seasevents.nmsdev7.com/event/asset-seminar-tba-jyotirmoy-deshmukh-university-of-southern-california/ 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:20230201T130000 DTEND;TZID=America/New_York:20230201T140000 DTSTAMP:20260404T154059 CREATED:20230120T154404Z LAST-MODIFIED:20230120T154404Z UID:10007431-1675256400-1675260000@seasevents.nmsdev7.com SUMMARY:BE/Genetics Seminar: “A network-based blueprint for understanding condensates in health and disease” (David W. Sanders\, Princeton University) DESCRIPTION:PENN GENETICS SPECIAL SEMINAR | David Sanders\, PhD\n“A network-based blueprint for understanding condensates in health and disease”\n\nDavid W Sanders\, PhD\nPostdoctoral Fellow\nChemical and Biological Engineering\nPrinceton University \n\nZoom Link \nContact Info:\nFor more information\, please contact Sadie Robinson at sarahjr@upenn.edu \nThis is a joint seminar between the Departments of Genetics and Bioengineering URL:https://seasevents.nmsdev7.com/event/be-genetics-seminar-a-network-based-blueprint-for-understanding-condensates-in-health-and-disease-david-w-sanders-princeton-university/ LOCATION:https://upenn.zoom.us/j/96715197752 CATEGORIES:Seminar END:VEVENT BEGIN:VEVENT DTSTART;TZID=America/New_York:20230202T103000 DTEND;TZID=America/New_York:20230202T113000 DTSTAMP:20260404T154059 CREATED:20230123T201046Z LAST-MODIFIED:20230123T201046Z UID:10007440-1675333800-1675337400@seasevents.nmsdev7.com SUMMARY:MSE Seminar: "Metamaterials: From Invisibility Cloak to Future Extended Reality Displays" DESCRIPTION:The invisibility cloak in Harry Potter and the dreams of invisibility as a superpower are no longer fiction. With the invention of metamaterials\, they are theoretically and experimentally possible in real life. Metamaterials — materials that are engineered to have properties that are not found in naturally-occuring materials — allow us to overcome physical limitations. Scientists around the world are researching metamaterials that can be used in diverse sectors\, including healthcare\, optical display\, and military affairs. For example\, metalenses\, which can exceed the physical limitations of light\, may facilitate leaps in biology and chemistry. The development of metamaterials has just begun\, but their potential is limitless. In this talk\, I will give a brief overview of metamaterials and metasurfaces: principles\, applications and manufacturing methods towards their science-to-technology transition. URL:https://seasevents.nmsdev7.com/event/mse-seminar-metamaterials-from-invisibility-cloak-to-future-extended-reality-displays/ 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:20230202T153000 DTEND;TZID=America/New_York:20230202T163000 DTSTAMP:20260404T154059 CREATED:20230130T163937Z LAST-MODIFIED:20230130T163937Z UID:10007449-1675351800-1675355400@seasevents.nmsdev7.com SUMMARY:CIS Seminar: "Proofs\, Cryptography and Quantum Information" DESCRIPTION:Many cryptographic protocols will be rendered insecure if sufficiently powerful quantum computers are built. While this remains at least a few decades away\, there is another\, more immediate\, problem: many widely-used security analysis techniques rely on properties of classical information that do not hold in the quantum setting\, rendering the security of many schemes unclear even against today’s quantum computers. In this talk I will present techniques I have developed to address both of these challenges. URL:https://seasevents.nmsdev7.com/event/cis-seminar-proofs-cryptography-and-quantum-information/ 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:20230203T103000 DTEND;TZID=America/New_York:20230203T114500 DTSTAMP:20260404T154059 CREATED:20230201T213135Z LAST-MODIFIED:20230201T213135Z UID:10007451-1675420200-1675424700@seasevents.nmsdev7.com SUMMARY:Spring 2023 GRASP Seminar: GRASP Panel on Future Challenges and Big Problems DESCRIPTION:This is a hybrid event with in-person attendance in Wu and Chen and virtual attendance via Zoom. This week’s panelists will be in-person as well.  \nPANEL DISCUSSION\nPlease join us for a lively panel discussion featuring GRASP Faculty members including Dr. Nadia Figueroa\, Dr. Dinesh Jayaraman\, and Dr. Marc Miskin. This panel will be moderated by Penn Engineering SEAS Dean Dr. Vijay Kumar. URL:https://seasevents.nmsdev7.com/event/spring-2023-grasp-seminar-grasp-panel-on-future-challenges-and-big-problems/ 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:20230203T160000 DTEND;TZID=America/New_York:20230203T170000 DTSTAMP:20260404T154059 CREATED:20230106T144437Z LAST-MODIFIED:20230106T144437Z UID:10007414-1675440000-1675443600@seasevents.nmsdev7.com SUMMARY:P.E.S.T.L.E. Orientation - February 3 DESCRIPTION:Join P.E.S.T.L.E. for our Zoom Orientation session on Friday\, February 3 at 4:00 pm! Please email us at pestle@seas.upenn.edu if you have any questions. URL:https://seasevents.nmsdev7.com/event/p-e-s-t-l-e-orientation-february-3/ LOCATION:https://upenn.zoom.us/j/96715197752 ORGANIZER;CN="PESTLE":MAILTO:pestle@seas.upenn.edu END:VEVENT BEGIN:VEVENT DTSTART;TZID=America/New_York:20230207T100000 DTEND;TZID=America/New_York:20230207T113000 DTSTAMP:20260404T154059 CREATED:20230125T205356Z LAST-MODIFIED:20230125T205356Z UID:10007447-1675764000-1675769400@seasevents.nmsdev7.com SUMMARY:MEAM Seminar: "Designing Interfacial Phenomena for Water\, Energy\, and Sustainability" DESCRIPTION:Solid/water interfacial phenomena are pervasive in both natural and built environments. Heat exchangers\, membrane pores\, and packed bed reactors are all examples of solid/water interfaces where interfacial phenomena and small-scale fluid physics can have outsized influences on process efficacy and sustainability. Even innocuous surfaces such as reactor walls are not inert and can actively interact with aqueous solutions and thereby create inefficiencies. Surface properties are crucial in controlling and reducing such inefficiencies. New tools and techniques in the fields of micro/nano-fabrication\, thin film deposition\, and soft matter physics have enabled unprecedented capability to manufacture engineered interfaces. By precisely designing the composition\, chemistry\, and microscopic geometry of interfaces\, it is possible to go beyond simply selecting the best available material for a given application. Instead\, we can specifically design surfaces and processes for fine-tuned control over interfacial phenomena to achieve drastic reduction\, or even complete elimination\, of inefficiencies. Here\, three examples in which interfacial engineering can enable new paradigms for water\, energy\, and sustainability will be presented. I will show that composite liquid/solid surface can eliminate mineral fouling for improved material resilience\, that nano-engineered materials can induce ejection of foulant crystals with potential application for heat transfer and waste brine management\, and that multiphase microfluidics with controlled pore geometries can enable new separation processes. URL:https://seasevents.nmsdev7.com/event/meam-seminar-designing-interfacial-phenomena-for-water-energy-and-sustainability/ 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:20230207T150000 DTEND;TZID=America/New_York:20230207T160000 DTSTAMP:20260404T154059 CREATED:20230119T163631Z LAST-MODIFIED:20230119T163631Z UID:10007430-1675782000-1675785600@seasevents.nmsdev7.com SUMMARY:Spring 2023 GRASP Seminar: Henry Fuchs\, UNC Chapel Hill\, "Augmented Reality Glasses: a 50-year Adventure" DESCRIPTION:This is an in-person only event with attendance in Raisler Lounge (Towne 225). The presenter will be in-person as well. \nABSTRACT\nMany of us foresee of a future in which AR eyeglasses are worn all day\, replacing of our current prescription eyewear. That future may not arrive for a while and predicting its benefits and problems may be as premature as early predictions about the use of mobile phones or about “a helicopter in every garage.” Nevertheless\, a few sample applications seem both obvious and promising\, 1) continuous physiological monitoring for sudden and long-term health changes\, and 2) virtually embodied avatars for guidance in navigation\, exercise\, and training. I will also talk about the rocky history of head-worn AR systems\, which in contrast to the amazing\, continuous advances in Integrated Circuit fabrication technology\, has gone through multiple bust and boom cycles. I will talk about a few of the historic obstacles and how some were overcome and others side-stepped. I will summarize a few of the remaining problems\, possible paths to their solution\, and describe several of our projects in these areas. URL:https://seasevents.nmsdev7.com/event/spring-2023-grasp-seminar-henry-fuchs/ LOCATION:Raisler Lounge (Room 225)\, Towne Building\, 220 South 33rd 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:20230208T120000 DTEND;TZID=America/New_York:20230208T133000 DTSTAMP:20260404T154059 CREATED:20230104T183022Z LAST-MODIFIED:20230104T183022Z UID:10007399-1675857600-1675863000@seasevents.nmsdev7.com SUMMARY:ASSET Seminar: Using Large Language Models to Build Explainable Classifiers\, Chris Callison-Burch (University of Pennsylvania) DESCRIPTION:ABSTRACT: \nI’ll present research on using large language models (LLMs) to build explainable classifiers.   I will show off work from my PhD students and collaborators on several recent research directions: \n\nImage classification with explainable features  (https://arxiv.org/abs/2211.11158)\nText classification with explainable features (work in progress)\nThe importance of faithfulness in explanations (https://arxiv.org/abs/2209.11326)\n(Time permitting) A faithful “chain of thought” LLM reasoner that produces code in its explanations (https://arxiv.org/abs/2301.13379)\n\nHere’s an example of the automatically generated concepts that we use for image classification in the first \nThe papers that I’ll present are joint work with:\nAdam Stein\, Ajay Patel\, Ansh Kothary\, Artemis Panagopoulou\, Daniel Jin\, Delip Rao\, Eric Wong\, Harry Li Zhang\, Kathleen McKeown\, Marianna Apidianaki\, Mark Yatskar\, Shenghao Zhou\, Shreya Havaldar\, Veronica Qing Lyu\, Yue Yang\, and othe URL:https://seasevents.nmsdev7.com/event/asset-seminar-tba-chris-callison-burch-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:20230208T150000 DTEND;TZID=America/New_York:20230208T160000 DTSTAMP:20260404T154059 CREATED:20230124T214956Z LAST-MODIFIED:20230124T214956Z UID:10007445-1675868400-1675872000@seasevents.nmsdev7.com SUMMARY:Spring 2023 GRASP SFI: Melkior Ornik\, University of Illinois Urbana-Champaign\, "System Resilience and Guaranteed Performance in the Face of Unexpected Adversity" 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\nThe ability of a system to correctly respond to a sudden adverse event is critical for high-level autonomy in complex\, changing\, or remote environments. By assuming continuing structural knowledge about the system\, classical methods of adaptive or robust control largely attempt to design control laws which enable the system to complete its original task even after an adverse event. However\, catastrophic events such as physical system damage may render the original task impossible to complete. In other words\, any control law that attempts to complete the task is doomed to be unsuccessful. Instead\, an autonomous planner should recognize the task as impossible to complete\, propose an alternative that can certifiably be completed given the current knowledge\, and formulate a control law that drives the system to complete this new task. To do so\, in this talk I will present the emergent twin framework of guaranteed performance and resilience. Combining methods of optimal control\, online learning\, and reachability analysis\, these frameworks first compute a set of temporal tasks completable under all system dynamics consistent with the planner’s partial knowledge. These tasks can then be pursued by online learning and adaptation methods. The talk will consider three scenarios: actuator degradation\, loss of control authority\, and structural change in system dynamics\, and will briefly present several applications to aerial and maritime vehicles\, as well as infrastructure design. Finally\, I will identify promising future directions of research\, including real-time safety-assured mission planning\, resilience of complex networks\, and perception-based task assignment. URL:https://seasevents.nmsdev7.com/event/spring-2023-grasp-sfi-melkior-ornik/ 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:20230209T123000 DTEND;TZID=America/New_York:20230209T133000 DTSTAMP:20260404T154059 CREATED:20230203T164528Z LAST-MODIFIED:20230203T164528Z UID:10007454-1675945800-1675949400@seasevents.nmsdev7.com SUMMARY:ESE Spring Seminar - "Reliable Data-Driven Decision-Making Systems" DESCRIPTION:Despite impressive success in domains such as vision and language\, machine learning is still far from reliable integration into many challenging real-world scenarios\, such as healthcare\, where the coverage of existing data and the ability to collect new\, diverse data are limited. This talk focuses on mathematically formulating and addressing some of the challenges in data-driven decision-making systems\, studied in the reinforcement learning (RL) framework. I will discuss decision-making based on two sources of data: historical (offline) data and actively-collected data. In learning from offline data\, I first mathematically formulate the challenge of partial data coverage. I show that this formulation combined with pessimistic offline RL unifies the major offline learning paradigms: imitation learning and conventional offline RL. I then present statistically-optimal and practical offline RL algorithms that simultaneously exploit expressive models\, such as deep neural networks\, and historical datasets with any coverage\, to learn good decision-making policies. In learning from interactive data\, I present general formulations and theoretically-guaranteed algorithms that exploit problem structure and expressive models to collect data for learning good policies\, with efficacy demonstrated in a variety of navigation and locomotion tasks. URL:https://seasevents.nmsdev7.com/event/ese-spring-seminar-title-tbd/ 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:20230209T153000 DTEND;TZID=America/New_York:20230209T163000 DTSTAMP:20260404T154059 CREATED:20230105T171342Z LAST-MODIFIED:20230105T171342Z UID:10007409-1675956600-1675960200@seasevents.nmsdev7.com SUMMARY:BE Seminar: "Probing Metabolism Across Scales" (Yihui Shen\, Princeton University) DESCRIPTION:Metabolism supports the biosynthetic and energetic demand of all living creatures. Over decades\, we have accumulated knowledge of how individual enzymes work in vitro\, but we don’t have a good sense about how they work together in vivo. Thus\, fundamental to our understanding of metabolic operation is the ability to measure metabolic activity in vivo. In this talk I will first briefly introduce an optical imaging technique that allows visualization of metabolism at micron scale. And then I will show how we use multi omics to probe metabolism at a systems scale. By quantifying hundreds of molecular components\, these systems-level measurements allow us to gain fundamental metabolic design principles. For example\, an important metabolic decision is whether to generate energy through fermentation or respiration. Respiration is much more energy efficient. Nevertheless\, many fast-growing cells\, including the baker’s yeast\, activated T cells\, and tumor cells\, switch to aerobic glycolysis (fermentation in the presence of oxygen). How do they achieve the metabolic switch? Why would they prefer wasteful metabolism?  I hope you will join the journey with me to explore the plasticity of metabolism. URL:https://seasevents.nmsdev7.com/event/be-seminar-yihui-shen-columbia-university/ LOCATION:Raisler Lounge (Room 225)\, Towne Building\, 220 South 33rd 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:20230209T153000 DTEND;TZID=America/New_York:20230209T163000 DTSTAMP:20260404T154059 CREATED:20230130T173602Z LAST-MODIFIED:20230130T173602Z UID:10007450-1675956600-1675960200@seasevents.nmsdev7.com SUMMARY:CIS Seminar: "Software Security Challenges in the Era of Modern Hardware" DESCRIPTION:Today’s hardware cannot keep secrets. Indeed\, the past two decades have seen the discovery of a slew of attacks where an adversary exploits hardware features to leak software’s sensitive data. These attacks have shaken the foundations of computer security and caused a major disruption in the software industry. Fortunately\, there has been a saving grace\, namely the widespread adoption of models that have enabled developers to build secure software while comprehensively preventing hardware vulnerabilities. \nIn this talk\, I will present two new classes of vulnerabilities that fundamentally undermine these prevailing models for building secure software. In the first part\, I will demonstrate that the current constant-time programming model is insufficient to guarantee constant-time execution. In the second part\, I will demonstrate that the current resource partitioning model is insufficient to guarantee software isolation. Finally\, I will provide an overview of my future research plans for enabling the design of more secure software and hardware systems. URL:https://seasevents.nmsdev7.com/event/cis-seminar-software-security-challenges-in-the-era-of-modern-hardware/ 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:20230210T103000 DTEND;TZID=America/New_York:20230210T234500 DTSTAMP:20260404T154059 CREATED:20230123T221045Z LAST-MODIFIED:20230123T221045Z UID:10007439-1676025000-1676072700@seasevents.nmsdev7.com SUMMARY:Spring 2023 GRASP on Robotics: Rodney Brooks\, Robust.AI\, "Academic research: exploration vs exploitation" 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\nIntelligent action is critical in robotics\, more so than much of AI where results are often mediated by humans in the loop. That said\, robotics also needs to interact with humans. Currently we are in an age of exploitation of techniques that give new capabilities\, and this is as true in academia as it is in industry. But we should hope that a few people in academia are also exploring whether current techniques are the ultimate solutions for robotics\, or whether we should give some thought to whether we are busy riding a silicon-powered wave which will asymptote way below where popular hypenotism would lead us to expect. Perhaps there are really different questions to ask; looking at biological systems suggests that perhaps we don’t yet have a good grasp of very fundamental possibilities\, and that there are rich rewards (and also possible penury) for those willing to take a hard look. URL:https://seasevents.nmsdev7.com/event/spring-2023-grasp-on-robotics-rodney-brooks/ 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:20230210T140000 DTEND;TZID=America/New_York:20230210T150000 DTSTAMP:20260404T154059 CREATED:20230124T161226Z LAST-MODIFIED:20230124T161226Z UID:10007443-1676037600-1676041200@seasevents.nmsdev7.com SUMMARY:PICS Colloquium: "Building and using virtual models of the tricuspid valve toward better understanding\, diagnosis\, and treatment of its diseases" DESCRIPTION:Computer simulations have become critical elements of the medical device design and regulatory approval process. Naturally\, the predictability and therefore value of such simulations depends highly on their accuracy. Especially for the design of heart valve replacements and repair technologies computer simulations have become a critical tool. While much progress has been made in modeling the aortic valve and the mitral valve\, much less effort has been spent on modeling the tricuspid valve. The reasons are multi-fold\, but include the general neglect of the valve as well as the high complexity of the valve in comparison to the three other valves. In our most recent work\, we are beginning to fulfill this gap. Specifically\, our objective is to develop\, validate\, and then publicly provide a truly subject-specific\, shared model of the human tricuspid valve. To this end\, we combine multi imaging-modality based measurements in beating human hearts that have been prepared in an organ preservation system\, with in-vitro measurements of heart valve geometric\, structural\, and mechanical properties. Once built\, we conduct finite element simulations with this valve and validate dynamic simulations throughout the cardiac cycle against in-situ measurements. Finally\, we show case our model by first mimicking a diseased valve\, which we then repair using a surgical and an interventional approach. URL:https://seasevents.nmsdev7.com/event/building-and-using-virtual-models-of-the-tricuspid-valve-toward-better-understanding-diagnosis-and-treatment-of-its-diseases/ LOCATION:PICS Conference Room 534 – A Wing \, 5th Floor\, 3401 Walnut Street\, Philadelphia\, PA\, 19104\, United States CATEGORIES:Colloquium ORGANIZER;CN="Penn Institute for Computational Science (PICS)":MAILTO:dkparks@seas.upenn.edu END:VEVENT BEGIN:VEVENT DTSTART;TZID=America/New_York:20230213T130000 DTEND;TZID=America/New_York:20230213T140000 DTSTAMP:20260404T154059 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 ” 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 BEGIN:VEVENT DTSTART;TZID=America/New_York:20230214T100000 DTEND;TZID=America/New_York:20230214T113000 DTSTAMP:20260404T154059 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:20230214T153000 DTEND;TZID=America/New_York:20230214T163000 DTSTAMP:20260404T154059 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:20230215T120000 DTEND;TZID=America/New_York:20230215T133000 DTSTAMP:20260404T154059 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:20230215T133000 DTEND;TZID=America/New_York:20230215T143000 DTSTAMP:20260404T154059 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:20230215T153000 DTEND;TZID=America/New_York:20230215T163000 DTSTAMP:20260404T154059 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:20230216T140000 DTEND;TZID=America/New_York:20230216T160000 DTSTAMP:20260404T154059 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:20230216T153000 DTEND;TZID=America/New_York:20230216T163000 DTSTAMP:20260404T154059 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:20230216T153000 DTEND;TZID=America/New_York:20230216T163000 DTSTAMP:20260404T154059 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:20230217T103000 DTEND;TZID=America/New_York:20230217T114500 DTSTAMP:20260404T154059 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:20230220T130000 DTEND;TZID=America/New_York:20230220T140000 DTSTAMP:20260404T154059 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:20230221T100000 DTEND;TZID=America/New_York:20230221T113000 DTSTAMP:20260404T154059 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:20230221T123000 DTEND;TZID=America/New_York:20230221T133000 DTSTAMP:20260404T154059 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:20230221T153000 DTEND;TZID=America/New_York:20230221T163000 DTSTAMP:20260404T154059 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:20230222T110000 DTEND;TZID=America/New_York:20230222T120000 DTSTAMP:20260404T154059 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 END:VCALENDAR