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DTSTART:20070311T020000
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DTSTAMP:20260901T081333
DTSTART;TZID=America/Detroit:20260909T160000
DTEND;TZID=America/Detroit:20260909T170000
SUMMARY:Workshop / Seminar:Probability and Analysis Seminar: A Riemann-Hilbert approach to Dyson Brownian motion and Gaussian multiplicative chaos
DESCRIPTION:Abstract: The connection between random matrices and Gaussian multiplicative chaos (GMC) has been studied intensively since the work of Fyodorov and Keating (2014). There has been recent interest in the appearance of GMC in dynamical ensembles of random matrices and their eigenvalues\, such as the Dyson Brownian motion (Keles 2025). We propose a Riemann-Hilbert approach to this problem. I will explain how our approach allows one to probe the “microscopic scale” (a scale which is inaccessible via loop equations)\, where the appearance of Painlevé transcendents is anticipated. This is joint work with Ahmad Barhoumi.
UID:151180-21911039@events.umich.edu
URL:https://events.umich.edu/event/151180
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:Mathematics
LOCATION:East Hall - 4088
CONTACT:
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BEGIN:VEVENT
DTSTAMP:20260803T153429
DTSTART;TZID=America/Detroit:20260909T160000
DTEND;TZID=America/Detroit:20260909T170000
SUMMARY:Workshop / Seminar:Stability\, Approximation\, and Robustness of Optimal Policies in POMDPs
DESCRIPTION:In this talk\, I will focus on the stability\, approximation\, and robustness of optimal policies in partially observable Markov decision processes (POMDPs) under discounted and average cost criteria.\n\nI will begin with filter kernel perturbation under model change. I will establish how small perturbations in the transition or observation kernels lead to explicit\, nonasymptotic bounds on both the filter kernel and the performance of the induced policies. A primary result demonstrates that an optimal policy computed under an incorrect model remains near optimal for the true model\, with quantitatively bounded errors.\n\nBuilding on these stability concepts\, I will then talk about the average cost setting and describe conditions under which the nonlinear filter exhibits a contraction property. Under these conditions\, the vanishing discounted approach yields a solution to the average cost optimality equation\, guaranteeing the existence of a stationary optimal policy. Furthermore\, this provides explicit bounds that quantify the influence of initial prior distribution errors and model errors on long run performance.\n\nFinally\, I will present results on implementable approximations. I will introduce refined error bounds for finite window controllers and conclude by discussing how Q learning can be utilized through either finite window or the quantization of the belief process to obtain near optimal policies for both discounted and average cost criteria.
UID:149581-21906722@events.umich.edu
URL:https://events.umich.edu/event/149581
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:Mathematics
LOCATION:East Hall - 1360
CONTACT:
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BEGIN:VEVENT
DTSTAMP:20260714T142604
DTSTART;TZID=America/Detroit:20260909T160000
DTEND;TZID=America/Detroit:20260909T180000
SUMMARY:Lecture / Discussion:The State and the Soldier: A History of Civil-Military Relations in the United States
DESCRIPTION:America's Founding Fathers feared that a standing army would be a permanent political danger\, yet the U.S. military has in the 250 years since become a bulwark of democracy. Kori Schake explains why in this compelling history of civil-military relations from independence to the challenges of the present. Can the United States’ admirable record be sustained when the public is pulling the military into the political divisions of our time?\n   \nWebinar Link: https://myumi.ch/d8kN8\n\nIf there is anything we can do to make this event accessible to you\, please contact us at emergingdemocracies@umich.edu. Please be aware that advance notice is necessary as some accommodations may require more time for the university to arrange.
UID:149369-21906290@events.umich.edu
URL:https://events.umich.edu/event/149369
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:history,Military
LOCATION:Michigan Union - Kuenzel Room
CONTACT:
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BEGIN:VEVENT
DTSTAMP:20260715T154457
DTSTART;TZID=America/Detroit:20260909T160000
DTEND;TZID=America/Detroit:20260909T173000
SUMMARY:Workshop / Seminar:WISE Welcome & Ice Cream Social Events
DESCRIPTION:What is Women in Science & Engineering? Get everything you need to know about WISE and connect with other STEM students at our Student Welcome & Ice Cream Social Events! We will have ice cream\, popsicles and some fun giveaways at each of the four events:\n\nTuesday\, 9/8: Grad Student & Postdoc Welcome\nWednesday\, 9/9: First-Year Student Welcome \nThursday\, 9/10: Engineering Student Welcome\nFriday\, 9/11: All STEM Student Welcome\n\nEach of these events are designed to connect STEM students and are open to all. Please choose the event that best suits your needs and reach out to our team at umwise@umich.edu with any questions.
UID:149411-21906372@events.umich.edu
URL:https://events.umich.edu/event/149411
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:Graduate and Professional Students,Michigan Engineering,Sessions,The College Of Literature\, Science\, And The Arts,Undergraduate Students,Welcome To Michigan,Women In Science And Engineering,Women In Stem
LOCATION:WISE Office, 3236 Undergraduate Science Building
CONTACT:
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BEGIN:VEVENT
DTSTAMP:20260902T012106
DTSTART;TZID=America/Detroit:20260909T170000
DTEND;TZID=America/Detroit:20260909T190000
SUMMARY:Conference / Symposium:Maize & Blue Cupboard Volunteering
DESCRIPTION:Come help us during normal operating hours\; as well as\, unload our weekly Food Gatherers deliveries and stock our shelves! If you are outside the U-M community\, please reach out to maize.blue.cupboard@umich.edu to sign up.
UID:102102-21910754@events.umich.edu
URL:https://events.umich.edu/event/102102
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:Sessions
LOCATION:Maize and Blue Cupboard inside Betsy Barbour
CONTACT:
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BEGIN:VEVENT
DTSTAMP:20260817T144158
DTSTART;TZID=America/Detroit:20260909T173000
DTEND;TZID=America/Detroit:20260909T190000
SUMMARY:Workshop / Seminar:Launch & Learn: Exploring Product Management - From Interviewing to Building Impactful Tech
DESCRIPTION:Product Management is a fast-paced\, growing field that offers fulfilling and dynamic careers. Learn how to stand out in your interview for a PM role and how to gain critical experience in the field. This interactive session is led by ZLI Entrepreneur-in-Residence and Ross Lecturer\, Rashmi Menon. As a seasoned Silicon Valley executive\, Rashmi provides strategic planning and product management consulting focused on bringing small company agility to big companies and big company scalability to startups.\n\n​Looking to build something with real impact? Gain hands-on experience as a product manager through the ZLI Product Innovation Program. Working in cross-functional teams\, you will develop a tech product from scratch over the course of the fall semester. More details will be shared during the workshop.
UID:150365-21909098@events.umich.edu
URL:https://events.umich.edu/event/150365
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:Business,Career,Career Development,Entrepreneur,Entrepreneurship,Innovation,Product Management,Professional Development,Social Impact,Technology,Virtual,Workshop,Zell Lurie Institute,Zell Lurie Institute For Entrepreneurial Studies,Zell Lurie Institute For Entrepreneurship,Zli
LOCATION:Off Campus Location
CONTACT:
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BEGIN:VEVENT
DTSTAMP:20260828T131903
DTSTART;TZID=America/Detroit:20260909T180000
DTEND;TZID=America/Detroit:20260909T190000
SUMMARY:Livestream / Virtual:ALUM 101: Democracy at Work
DESCRIPTION:Four-part virtual mini-course | Wednesdays\, Sept. 9–30 | 6–7 p.m. ET\n\nSept. 9 — What Makes a Healthy Democracy?\nSpeakers: Jenna Bednar and Mara Ostfeld\nFaculty experts Jenna Bednar and Mara Ostfeld explore the core elements of healthy democratic systems\, including democratic resilience and the institutions and norms that shape democracies in the U.S. and around the world.\n\nSept. 16 — The Vote: Elections\, Redistricting\, and Polarization\nSpeakers: Yanna Krupnikov and Rob Mickey\nHow do elections shape democracy? This session examines the forces influencing elections today\, from redistricting and the campaign process to polarization among voters.\n\nSept. 23 — Democracy Around the Globe\nSpeaker: Dan Slater\nTake a global look at democratic trends\, including why some democracies endure while others weaken and the pressures democratic systems face across different regions.\n\nSept. 30 — Democracy's Information Dilemma: The Effects of Social Media and Misinformation\nSpeakers: Josh Pasek and Cesi Cruz\nExplore how social media and misinformation shape democratic institutions and public perspectives and the challenges they pose for democracies today.
UID:151120-21910885@events.umich.edu
URL:https://events.umich.edu/event/151120
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:Alumni,Civic Engagement,Civic Learning,Democracy,Democracy And Civic Engagement,Democracy Week,Democratic Engagement,Discussion,Education,Free,Lecture,Politics,Public Policy,Virtual,Voting
LOCATION:Off Campus Location
CONTACT:
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