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DTSTAMP:20241109T195941
DTSTART;TZID=America/Detroit:20241122T160000
DTEND;TZID=America/Detroit:20241122T170000
SUMMARY:Workshop / Seminar:GEOMETRY SEMINAR:    Diophantine approximation on homogeneous spaces
DESCRIPTION:Let G be a Lie group\, L a lattice in G\, and H a closed subgroup of G.\nSuppose that L acts on the homogeneous space G/H with dense orbits.\nWe would like to measure how dense these orbits actually are\, or equivalently\, gauge the efficiency of approximation of a general point on G/H by a lattice orbit.\nDeparting from traditional classical Diophantine approximation\, we will\nAssume G to be a non-amenable group\, for example the group of isometries of hyperbolic space\, or the general linear or affine group.\nWe will present a solution to this problem for lattice actions\non a large class of homogeneous spaces\, emphasizing a sufficient condition for when an optimal result holds\, and give some examples. The methods involve dynamical arguments\, and spectral methods applied to the automorphic representation.\nWe will then briefly describe the extensive scope of this set-up\, and explain some more refined problems related to equidistribution and discrepancy of lattice orbits\, as time permits.\n\nBased partly on joint work with Alex Gorodnik and Anish Ghosh\, and partly on recent joint work with Mikolaj Fraczyk and Alex Gorodnik.
UID:128978-21861970@events.umich.edu
URL:https://events.umich.edu/event/128978
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:Mathematics
LOCATION:East Hall - 3866
CONTACT:
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DTSTAMP:20240723T152000
DTSTART;TZID=America/Detroit:20241122T160000
DTEND;TZID=America/Detroit:20241122T170000
SUMMARY:Tours:Guided Tour of the Clements Library
DESCRIPTION:Join us to learn more about the history of the Clements Library\, its programs\, and collections. Highlights include Benjamin West's iconic painting \"Death of General Wolfe\,\" a Revolutionary War-era trunk that once housed General Thomas Gage's papers\, and the current exhibit.\n\nArrive at our North Entrance to check-in for your tour. This entrance is accessible and an elevator is available to move between floors.\n\nWe want to ensure full participation in our events. If an accommodation would promote that\, please let us know.
UID:123530-21851037@events.umich.edu
URL:https://events.umich.edu/event/123530
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:american history,Tour,Humanities,american culture,art history,Library
LOCATION:William Clements Library
CONTACT:
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BEGIN:VEVENT
DTSTAMP:20241104T104849
DTSTART;TZID=America/Detroit:20241122T160000
DTEND;TZID=America/Detroit:20241122T173000
SUMMARY:Lecture / Discussion:LRCCS Occasional Lecture Series | Chinese Bronze Bell Chimes: New Discoveries and What They Tell Us
DESCRIPTION:Attend in person or via Zoom: https://myumi.ch/ny3eR\n\nTo gauge how 25 years of archaeological discoveries can shed new light on a given field of research\, Dr. Falkenhausen recently investigated new discoveries of chime-bells in China dating from ca. 2000 BC to 1 AD and compared the results with what he had written in a book that he published in 1993 before turning his attention to other subjects. He was able to correct a number of mistakes\, fill some earlier gaps in the evidence\, resolve some previously irresolvable problems\, and detect some previously unknowable complications. He has published the results in the form of three articles\; this lecture will summarize his main findings.\n   \n   Lothar von Falkenhausen is Distinguished Professor of Chinese Archaeology and Art History at UCLA\, where he has taught since 1993. He is also on the faculty of the Cotsen Institute of Archaeology at UCLA\, of which he served as Associate Director from 2004 to 2014\, and he holds a concurrent part-time appointment as Visiting Professor (formerly Changjiang Chair\, 2017-20) at Xibei University in Xi’an (China). Falkenhausen was educated at Bonn University\, Peking University\, Kyoto University\, and Harvard University\, receiving his PhD in anthropology from Harvard in 1988. His research mainly concerns the archaeology of Bronze Age China\, focusing on large interdisciplinary and historical issues on which archaeological materials can provide significant new information. His major books are \"Suspended Music: Chime Bells in the Culture of Bronze Age China\" (1993) and the award-winning \"Chinese Society in the Age of Confucius (1000-250 BC): The Archaeological Evidence\" (2006\; also published in Japanese\, Korean\, and Chinese translations). A new monograph on the economic archaeology of Late Bronze Age and Early Iron Age China is in press. Falkenhausen was co-Principal Investigator of an international archaeological project on ancient salt production in the Yangzi River basin (1999-2004) and has been serving as Instructor of Record of the International Archaeological Field School at Yangguanzhai (2010-). He has served on the Scientific Council of the French School of Far Eastern Studies (2005-2011) and on the US President’s Cultural Property Advisory Committee (2012-2020). He is a Full Member of the German Archaeological Institute\, an Honorary Research Fellow of the Shaanxi Archaeological Academy\, an Honorary Professor of Zhejiang University\, a Fellow of the American Academy of Arts and Sciences\, a Fellow of the American Philosophical Society\, and a Corresponding Member of the Académie des Inscriptions et Belles-Lettres (Institut de France).   \n\nIf there is anything we can do to make this event accessible to you\, please contact us at chinese.studies@umich.edu. Please be aware that advance notice is necessary as some accommodations may require more time for the university to arrange.
UID:126195-21856666@events.umich.edu
URL:https://events.umich.edu/event/126195
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:Art History,Archaeology,Chinese Studies,chinese history,China
LOCATION:Weiser Hall - 10th Floor
CONTACT:
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