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DTSTAMP:20260817T084252
DTSTART;TZID=America/Detroit:20260909T150000
DTEND;TZID=America/Detroit:20260909T160000
SUMMARY:Workshop / Seminar:Department Colloquium | Robots\, Galaxies\, and Dark Energy: The DESI Story (So Far)
DESCRIPTION:The standard cosmological model\, Lambda-CDM\, provides a remarkably successful description of the universe\, yet the physical nature of dark energy remains unknown. Is it a cosmological constant\, or does it evolve with cosmic time? The Dark Energy Spectroscopic Instrument (DESI) was built to address this question by obtaining spectra of millions of galaxies and quasars and constructing an unprecedented three-dimensional map of the universe. In this colloquium\, I will tell the story of how DESI became one of the world’s most productive instruments for cosmology. At its heart are 5\,000 robotic fiber positioners\, built at the University of Michigan\, that allow DESI to observe thousands of objects simultaneously. I will tell the story of how an ambitious idea became a working instrument - from construction at Michigan through integration and installation to survey operations at Kitt Peak. Along the way\, DESI faced a global pandemic\, a wildfire that threatened the observatory\, and other unexpected challenges of operating a complex instrument on a mountaintop. Despite these obstacles\, it reached its survey goals ahead of schedule and within budget. I will discuss what made that success possible\, place DESI’s emerging cosmological results in context\, and conclude with the scientific opportunities ahead.
UID:149987-21907767@events.umich.edu
URL:https://events.umich.edu/event/149987
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:Science,Physics
LOCATION:West Hall - 340
CONTACT:
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BEGIN:VEVENT
DTSTAMP:20260820T101416
DTSTART;TZID=America/Detroit:20260909T154500
DTEND;TZID=America/Detroit:20260909T163000
SUMMARY:Careers / Jobs:LSA@Play x Beyond Your Major: Simulated Job Fair Experiences
DESCRIPTION:Open to all LSA students\n\nPractice before the real thing! This interactive session will help you prepare for employer conversations at the LSA Job & Internship Fair.\n\nYou’ll have the chance to:\n\nParticipate in mock job fair conversations\n\nReceive personalized coaching and feedback\n\nWatch demonstrations of effective and ineffective employer interactions\n\nPractice introducing yourself through role-playing exercises\n\nBuild confidence before meeting recruiters\n\nLeave feeling more prepared and ready to make the most of the Job & Internship Fair.\n\nThe LSA Opportunity Hub aims to deliver inclusive and accessible experiences for all students. This event is on the first floor of a wheelchair-accessible building\, including wheelchair-accessible restrooms on the first floor\, a gender-inclusive and accessible restroom on the first floor\, places to sit or stand during the event\, and accessible parking options nearby on Maynard Street. Ramps are located at the East entrance (from State St.) and the Northwest entrance (from Maynard). Power doors are located at the Northwest entrance. We will be using microphones for all speakers and participant questions and automated closed captions (although imperfect) will be generated through google slides which also include alt text for screen readers. To request additional accommodations\, please contact LSA Hub Events at lsa.hubevents@umich.edu.
UID:150591-21909684@events.umich.edu
URL:https://events.umich.edu/event/150591
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:Lsa Opportunity Hub,Employer Event,Career,All Majors Welcome
LOCATION:LSA Building - Atrium LSA first floor
CONTACT:
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BEGIN:VEVENT
DTSTAMP:20260805T125826
DTSTART;TZID=America/Detroit:20260909T160000
DTEND;TZID=America/Detroit:20260909T173000
SUMMARY:Workshop / Seminar:LSA Transfer Information Session
DESCRIPTION:Join the LSA Transfer Recruitment Team for our virtual sessions where we will discuss LSA requirements\, transfer credit\, pre-transfer academic advising\, LSA opportunities and other transfer tidbits.\n\nRegistration is required. Register using link to the right
UID:141040-21907392@events.umich.edu
URL:https://events.umich.edu/event/141040
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:Transfer Students
LOCATION:Off Campus Location
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:Military,history
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:Women In Science And Engineering,Women In Stem,Welcome To Michigan,Undergraduate Students,The College Of Literature\, Science\, And The Arts,Sessions,Michigan Engineering,Graduate and Professional Students
LOCATION:WISE Office, 3236 Undergraduate Science Building
CONTACT:
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BEGIN:VEVENT
DTSTAMP:20260830T002055
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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