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DTSTAMP:20251030T095930
DTSTART;TZID=America/Detroit:20251114T150000
DTEND;TZID=America/Detroit:20251114T160000
SUMMARY:Lecture / Discussion:HET Seminar | Title: Quantum Gravity in Near-Extremal Black Holes
DESCRIPTION:Recent developments have revealed that black holes near extremality exhibit large quantum fluctuations in their geometry\, marking a controllable breakdown of semiclassical quantum field theory in curved spacetime. In this talk\, I will discuss how these fluctuations can be revealed through scattering waves off the black hole. In particular\, we find that extremely cold black holes become transparent to low-frequency light or gravitational radiation. These effects provide concrete signatures of quantum gravity at play in near-extremal regimes.
UID:139052-21884684@events.umich.edu
URL:https://events.umich.edu/event/139052
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:High Energy Theory Seminar,Lecture,Physics,Science
LOCATION:West Hall - 340
CONTACT:
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BEGIN:VEVENT
DTSTAMP:20251106T093803
DTSTART;TZID=America/Detroit:20251114T150000
DTEND;TZID=America/Detroit:20251114T160000
SUMMARY:Workshop / Seminar:Monomial identities in the Weyl algebra (Combinatorics Seminar)
DESCRIPTION:The (Heisenberg) Weyl algebra is the free algebra with two generators D and U and single relation DU−UD = 1.  As a consequence of this relation\, certain monomials are equal\, such as DUUD and UDDU. We characterize all such equalities over a field of characteristic 0\, describing them in several ways\, including operationally (by a combinatorial  equivalence relation generated by certain moves) and computationally (through lattice path invariants).  We also enumerate the equivalence classes and several variants thereof and discuss possible extensions to other algebras.
UID:138792-21883925@events.umich.edu
URL:https://events.umich.edu/event/138792
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:Mathematics
LOCATION:East Hall - 4096
CONTACT:
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BEGIN:VEVENT
DTSTAMP:20251106T140646
DTSTART;TZID=America/Detroit:20251114T150000
DTEND;TZID=America/Detroit:20251114T170000
SUMMARY:Social / Informal Gathering:Rock Painting for IEW 2025
DESCRIPTION:Join various International Education units on campus to paint the George Washington Park Rock for the 2025 International Education Week! Make friends\, get creative\, and raise awareness about international education at U-M!
UID:137263-21880003@events.umich.edu
URL:https://events.umich.edu/event/137263
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:Abroad,International,International Week,Sessions,Study Abroad,Visual Arts
LOCATION:George Washington Park Rock (Corner of Hill Street & Washtenaw)
CONTACT:
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BEGIN:VEVENT
DTSTAMP:20260518T092015
DTSTART;TZID=America/Detroit:20251114T150000
DTEND;TZID=America/Detroit:20251114T154500
SUMMARY:Exhibition:Sky Tonight
DESCRIPTION:A live presentation on what to find in the sky tonight and for the coming few weeks. This presentation includes how to find the cardinal directions with the North Star\, current and upcoming constellations\, visible planets\, a few deep sky objects depending on the season\, and other interesting astronomical visualizations. If you want to be able to look up from your own backyard and know what to look for\, this is the show for you.
UID:141325-21888635@events.umich.edu
URL:https://events.umich.edu/event/141325
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:Astronomy,Children,Family,Film,Museum,museums,natural history museum,Natural Sciences,Planetarium,Prospective Undergraduate Students,Science,Space,Undergraduate
LOCATION:Museum of Natural History - Planetarium & Dome Theater
CONTACT:
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BEGIN:VEVENT
DTSTAMP:20260105T110419
DTSTART;TZID=America/Detroit:20251114T150000
DTEND;TZID=America/Detroit:20251114T160000
SUMMARY:Social / Informal Gathering:Sustainability Coffee Chats: Free coffee and good conversation!
DESCRIPTION:The Student Sustainability Coalition will be hosting our coffee chats throughout the semester and we want you to join us!  Passionate about sustainability?--water conservation\, AI\, carbon neutrality\, transportation\, ANYTHING!--come chat with us\, share your passion(s) and interests\, all while helping contribute to a more sustainable University of Michigan! Not to mention: WE WILL BUY YOUR DRINK!\n\nFind us at: \nMaizes Cafe every Friday from 3-4p and Rooting for Change Cafe (3rd Floor Palmer Commons) every other Wednesday from 5-6p
UID:138091-21881932@events.umich.edu
URL:https://events.umich.edu/event/138091
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:Activism,Climate Change,Discussion,Food,food and the environment,Free,Free Food,Graduate and Professional Students,In Person,Social,Social Impact,Student Org,Sustainability,Talk,Undergraduate Students
LOCATION:Michigan League - Maizie's Cafe
CONTACT:
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BEGIN:VEVENT
DTSTAMP:20251027T153729
DTSTART;TZID=America/Detroit:20251114T153000
DTEND;TZID=America/Detroit:20251114T163000
SUMMARY:Lecture / Discussion:Smith Lecture: Jida Wang
DESCRIPTION:Lakes and reservoirs store the largest mass of liquid water on the land surface. They provide diverse and complex aquatic ecosystems\, unique aesthetic appeal\, and readily accessible freshwater sources to societal use. Although considered “lentic” (hydrologically stationary)\, lakes are often highly dynamic and are an integrated component of the global drainage system. They interact with river discharge\, groundwater fluxes\, and glacial mass balances\, and function as both “sentinels” and “regulators” of climatic and environmental changes. A substantial proportion of the global lakes are also manmade reservoirs\, which regulate natural streamflow and affect downstream water supply and sediment regimes. Tracking the dynamics of lake water storage is fundamental to understanding the spatiotemporal disparity in global freshwater resources\, which is essential for addressing the increasing challenge in water security during the Anthropocene.\n\nThis seminar will provide a global perspective on the abundance and recent (decadal-scale) changes of lake water resources\, as well as their implications to catchment hydrology\, lacustrine management\, and broader societal impacts. The seminar will identify the latest advances in data infrastructure for global lake monitoring\, and will discuss the importance and challenges of data and method synergy from multi-mission Earth-observing satellites\, including the newly launched Surface Water and Ocean Topography (SWOT) mission. The recent global lake dynamics will be attributed to primary driving mechanisms including anthropogenic climate change\, climate variability\, and direct human water consumption and managements. Hotspots such as arid hinterlands and High Mountain Asia will be highlighted to further illustrate the essential roles of lake water resources for regional water security and a holistic understanding of the global hydrological cycle under climate change.
UID:141193-21888353@events.umich.edu
URL:https://events.umich.edu/event/141193
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:Earth And Environmental Sciences
LOCATION:1100 North University Building - 1528
CONTACT:
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