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DTSTAMP:20251121T133954
DTSTART;TZID=America/Detroit:20260225T160000
DTEND;TZID=America/Detroit:20260225T173000
SUMMARY:Presentation:Collective Memories of the U.S.-Mexico War and Mexican American Activism
DESCRIPTION:Join us on Wednesday\, February 25 at 4PM in the Tappan Room at the Michigan Union for a talk with Professor Omar Valerio-Jiménez (University of Texas at San Antonio)\, who will explore how memories of the U.S.-Mexico War have shaped Mexican American civil rights\, public rituals\, and storytelling. He will discuss his latest book\, Remembering Conquest: Mexican Americans\, Memory\, and Citizenship (2024)\, and share insights from his research on educational reform\, textbook inclusion\, and the preservation of Mexican American histories in the U.S. Southwest.
UID:142114-21890023@events.umich.edu
URL:https://events.umich.edu/event/142114
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:Department Of American Culture,Latina/o Studies,Latinx
LOCATION:Michigan Union - Tappan Room
CONTACT:
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DTSTAMP:20260209T093312
DTSTART;TZID=America/Detroit:20260225T160000
DTEND;TZID=America/Detroit:20260225T170000
SUMMARY:Workshop / Seminar:DE Seminar(**SPECIAL TIME**): Finite time singularities in the Landau equation with very hard potentials
DESCRIPTION:The Landau equation\, introduced by Lev Landau in 1936\, is one of the central equations in kinetic theory. We consider the Landau equation with very hard potentials $\gamma \in (\sqrt{3}\,2]$\, which is known to admit global smooth solutions for homogeneous data. Inspired by hydrodynamic limits from kinetic equations to fluid equations\, we construct smooth\, strictly positive initial data that develop a finite-time singularity by lifting imploding singularities from the compressible Euler equations. In self‑similar variables\, the solution becomes asymptotically hydrodynamic—the distribution function converges to a local Maxwellian\, while the hydrodynamic fields develop an asymptotically self‑similar implosion whose profile coincides with a smooth imploding profile of the compressible Euler equations.  To our knowledge\, this provides the first example of a collisional kinetic model which is globally well-posed in the homogeneous setting\, but admits finite time singularities for inhomogeneous data.\n \nThis is joint work with Jacob Bedrossian (UCLA)\, Maria Gualdani (UT Austin)\, Sehyun Ji (UChicago)\, Vlad Vicol (NYU)\, and Jincheng Yang (JHU).
UID:141996-21889800@events.umich.edu
URL:https://events.umich.edu/event/141996
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:Applied Mathematics,Mathematics
LOCATION:East Hall - 4088
CONTACT:
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