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DTSTAMP:20240324T220759
DTSTART;TZID=America/Detroit:20240404T160000
DTEND;TZID=America/Detroit:20240404T170000
SUMMARY:Workshop / Seminar:Differential Equations Seminar: Potential theory and Feynman diagrams in inverse problems
DESCRIPTION:In 1966\, Mark Kac posed the famous question “Can you hear the shape of a drum?” Mathematically\, this amounts to recovering the geometry of a Riemannian manifold from knowledge of its Laplace spectrum. In the case of strictly convex and smooth bounded planar domains\, the problem is very much open. One technique for studying the inverse spectral problem is via the wave trace\, a distribution with singular support contained in the length spectrum. The length spectrum is the collection of lengths of closed geodesics\, which for planar domains are just periodic billiard orbits. A dual object to study is the resolvent (of the Laplacian)\, whose trace asymptotics are related via the Payley-Wiener theorem to singularities of the wave trace. In this talk\, we introduce the Balian-Bloch-Zelditch method of constructing a parametrix for the resolvent trace via layer potentials. The result is an oscillatory integral to which one can apply the method of stationary phase. A novel feature is the organization of stationary phase coefficients by using graph theory and Feynman diagrams. The resulting formulas can be used to match Maslov indices of orbits and produce cancellations in the wave trace\, which shows that the length spectrum and the Laplace spectrum are inherently distinct objects\, at least insofar as the wave trace is concerned.
UID:119982-21843897@events.umich.edu
URL:https://events.umich.edu/event/119982
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:Mathematics
LOCATION:East Hall - 4088
CONTACT:
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DTSTAMP:20240109T155914
DTSTART;TZID=America/Detroit:20240404T160000
DTEND;TZID=America/Detroit:20240404T180000
SUMMARY:Lecture / Discussion:EIHS Lecture: Promissory Talk and the Limits of Historical Imagination
DESCRIPTION:This lecture uses the concept of promissory talk to critically analyze one way of thinking “against history.” Promissory talk is a future-oriented version of counterfactual speculation. Rather than asking “what if…?” questions of historical events when the outcomes are already known\, promissory speech says “if only… then…” as a way of linking present policy actions to anticipated future results. Drawing on examples from Japan and the United States\, Professor Thomas will show how recent efforts to reframe children’s historical consciousness reflect a dubious promissory premise: “If only the kids had more national pride\, then all of our problems would be solved.\"\n\nJolyon Baraka Thomas is associate professor of religious studies at the University of Pennsylvania. He is the author of Faking Liberties: Religious Freedom in American-Occupied Japan (University of Chicago Press\, 2019) and Drawing on Tradition: Manga\, Anime\, and Religion in Contemporary Japan (University of Hawaii Press\, 2012). Thomas’s current research projects include the monograph Difficult Subjects: Religion and the Politics of Public Education under the US-Japan Security Alliance\, a co-authored book called Animating Action\, and the co-edited New Nanzan Guide to Japanese Religions.\n\nThis event presented by the Eisenberg Institute for Historical Studies. It is made possible in part by a generous contribution from Kenneth and Frances Aftel Eisenberg.
UID:108410-21819552@events.umich.edu
URL:https://events.umich.edu/event/108410
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:History
LOCATION:Tisch Hall - 1014
CONTACT:
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BEGIN:VEVENT
DTSTAMP:20240419T123119
DTSTART;TZID=America/Detroit:20240404T160000
DTEND;TZID=America/Detroit:20240404T170000
SUMMARY:Careers / Jobs:Explore EA Virtual Series: Tips & Tricks for Interviewing
DESCRIPTION:This Spring\, EisnerAmper presents a trio of enlightening virtual sessions that offer you a unique chance to connect with accounting professionals\, delve into DEI initiatives\, and explore career and internship opportunities with us.\n\n🌟 Session 3: Tips & Tricks for Interviewing\nApplying to jobs or internships? We’ve got the tools to prepare you onthe do’s and dont’s of interviewing. Join us to learn directly from skilled professionals and ace your upcoming job interview! \n\n🚀 Key Takeaways:\n- Learn the crucial do's and don'ts of job interviews.\n- Gain insider tips and strategies to excel in your upcoming interviews.\n- Prepareto leave a lasting impression and stand out from the competition.\n\n📅Session Date & Time:\nThursday\, April 4th at 4PM to 5PM (CT) \n\nJoin usfor this essential session to boost your interview skills and pave the way for your future career success.\n\n📌 Register Here!\nhttps://flows.beamery.com/eisnerampercareers/eisneramper-spring-virtual-series-tips-and-tricks-for-interviewing-tgrczmmqu\n\nWe look forward to helping you shine inyour next interview!\n\nBest regards\,\nThe EisnerAmper Campus Recruitment Team
UID:119173-21842296@events.umich.edu
URL:https://events.umich.edu/event/119173
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:
LOCATION:
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