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DTSTAMP:20260921T131719
DTSTART;TZID=America/Detroit:20261009T153000
DTEND;TZID=America/Detroit:20261009T163000
SUMMARY:Lecture / Discussion:Smith Lecture: Maya Samuels-Fair
DESCRIPTION:Selective extinction by definition causes some groups to become extinct at higher rates than others and is often assumed to be the cause of functional diversity changes following mass extinctions. However\, significant changes in functional diversity can occur even when extinction is nonselective (random). Counterintuitively\, lack of functional diversity change can also be evidence of selective extinction. This can occur because (1) the number of taxa in each functional group varies and (2) the abundance of each functional group varies. Consequently\, random removal of taxa or individuals disproportionately affects rare functional groups. We simulate random extinction with a range of initial rank abundance distributions\, varying the number of taxa in each functional group and the evenness of abundances across taxa. We then measure change in functional diversity before and after random extinction using PERMANOVA. This generates a null distribution of how functional diversity would be expected to change under random extinction for each initial rank abundance distribution. Change in functional diversity outside the null distribution is then positive evidence of nonrandom extinction\, nonrandom origination\, or nonrandom changes in abundance. \n \nWe apply this approach to examine changes in the bryozoan fauna of Stevns Klint\, Denmark following the Cretaceous-Paleogene mass extinction\, using a dataset of 4\,453 specimens from 13 pre-extinction and 7 post-extinction samples. We find that functional diversity changes significantly across the K/Pg boundary\, but functional change is largely consistent with random extinction\, followed by an increase in the abundances of the functional groups with the fewest taxa. Our approach thus allows us to differentiate between selection extinction and other mechanisms of functional diversity change\, which can be applied to other extinction events.
UID:152565-21913921@events.umich.edu
URL:https://events.umich.edu/event/152565
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:Earth And Environmental Sciences
LOCATION:1100 North University Building - 1528
CONTACT:
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BEGIN:VEVENT
DTSTAMP:20261005T202118
DTSTART;TZID=America/Detroit:20261009T154500
DTEND;TZID=America/Detroit:20261009T170000
SUMMARY:Workshop / Seminar:Place as Method\, Theory\, and Responsibility: Rethinking Scientific Inquiry for Complex Social Issues
DESCRIPTION:The challenge: New data and approaches to study complexity in the social world has often been without a concurrent focus on the foundations of scientific inquiry\, including complex thinking\, broad causal thinking\, attention to epistemic lens\, and integrating multiple disciplinary approaches. Further\, the academic research model\, with its resource-segregated networks\, discipline-specific training\, and short-term productivity metrics\, contributes to a fragmented and potentially misleading understanding of the social world. In the second annual ISR Symposium on Complexity in the Social World\, we will use ‘place’ as the case study to facilitate discussions on rigorous social science in the public interest.Using research on place as the case study\, discussion topics will include:Complex thinking about the social worldThe contribution of the humanities the study of the social worldEpistemic lens and research transparencyTheories\, frameworks\, and the limits of traditional causal inferenceThe draw and danger of cool new dataAddressing the challenges of the academic model of sciencePresentations on the science of place will include:The relational nature of place in population social inequalitiesThe role of history in shaping placeThe racialization of place\; the spatialization of racePlace as a neutral and rational driver of social inequalitiesApproaches to testing (causal) ideas around place
UID:149491-21906518@events.umich.edu
URL:https://events.umich.edu/event/149491
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:Sessions
LOCATION:Room 1430, Institute for Social Research
CONTACT:
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BEGIN:VEVENT
DTSTAMP:20261005T122131
DTSTART;TZID=America/Detroit:20261009T160000
DTEND;TZID=America/Detroit:20261009T200000
SUMMARY:Film Screening:Decarceration Org Fair + Documentary Screening + Panel Discussion
DESCRIPTION:Join us in the Keene Theater on Friday\, Oct 9th for a three-part event! \n\nFree and open to the Public\n\n    4pm: Decarceration Org Fair\n    5pm: Documentary film screening of \"Beyond\"\n    6:30pm: Panel discussion \n\nPanelists\n1. Asia Johnson\, Co-Producer/Co-Director\n2. Michael Kleiman\, Co-Producer/Co-Director\n3. Michael Tineo\, Featured in the Film\n4. Tore Price\, Decarceration Activist/Organizer\n5. Victoria Burton-Harris\, WashCo Chief Asst Prosecutor\n\n**Moderated by Prof Heather Ann Thompson\n\nOrg Fair Attendees Include: Linkage Community\, Michigan Collaborative to End Mass Incarceration\, Pure Heart Foundation\, Friends of Restorative Justice\, Michigan Citizens for Justice\, Dispute Resolution Center\, Prison Creative Arts Project (PCAP)\, Nation Outside\, Michigan Innocence Project\, MI Parole Prep Project\, Prison Birth Project at the University of Michigan\, Michigan Institute for Progressive Policy\, Michigan Undergrad Law Review\, Latinx UG Law Association\, and others!
UID:152945-21914825@events.umich.edu
URL:https://events.umich.edu/event/152945
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:All Majors Welcome,Ann Arbor,Art,arts,Community,Community Engagement,Community Organizing,Community Service,Criminal Justice,Faculty,Film,Free,Human Rights,In Person,Social Impact,Social Justice,Social Movement,Social Rights,Social Sciences,Social Theory And Practice,Sociology,Staff,Students,Talk,Theater,theatre,Undergraduate,Undergraduate Students
LOCATION:East Quadrangle - Keene Theater
CONTACT:
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BEGIN:VEVENT
DTSTAMP:20261005T181537
DTSTART;TZID=America/Detroit:20261009T160000
DTEND;TZID=America/Detroit:20260603T010000
SUMMARY:Sporting Event:Field Hockey vs Maryland
DESCRIPTION:Field Hockey vs Maryland
UID:148551-21904436@events.umich.edu
URL:https://events.umich.edu/event/148551
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:Athletics,Athletics - Field Hockey
LOCATION:Off Campus Location
CONTACT:
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BEGIN:VEVENT
DTSTAMP:20260922T145242
DTSTART;TZID=America/Detroit:20261009T160000
DTEND;TZID=America/Detroit:20261009T180000
SUMMARY:Other:OLLI Community Silent Reading Groups
DESCRIPTION:Bring a copy of a banned book to read silently with the group. \n\n10/7: Courageous Books (Dexter)\n10/8: Ann Arbor District Library Pittsfield Branch (Ann Arbor)\n10/9: Source Booksellers (Detroit)\n10/10: Schuler's Books (Ann Arbor)\n10/26: Ypsilanti District Library Whittaker Branch (Ypsilanti)\n\nThis is part of the Banned Book Week series through OLLI.\n\n*The Osher Lifelong Learning Institute (OLLI) at U-M provides educational opportunities for older adults\, designed by older adults. Membership is intended for all enthusiastic learners aged 50 and older\, regardless of previous education or affiliation with U-M.*
UID:152676-21914364@events.umich.edu
URL:https://events.umich.edu/event/152676
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:Activism,aging,Detroit,Education,Free,Geriatrics,In Person,Inclusion,Library,Lifelong Learning,Social Impact,Social Justice
LOCATION:Off Campus Location
CONTACT:
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BEGIN:VEVENT
DTSTAMP:20261002T100556
DTSTART;TZID=America/Detroit:20261009T160000
DTEND;TZID=America/Detroit:20261009T170000
SUMMARY:Workshop / Seminar:Topology seminar: End Floer homology and Exotic R^4's
DESCRIPTION:Abstract: One way to construct an exotic R^4 is to remove a slice disk from the 4-ball\, replace it with a Casson handle\, and then delete the boundary. In the 90's De Michelis and Freedman asked how the choices in this construction affect the smooth type. Since then\, this problem has seen some progress but is still not well understood. Our main result is that if two slice knots have sufficiently different knot Floer homology\, then the resulting exotic R^4's made with the simplest Casson handle are distinct. This allows us to distinguish an explicit infinite family of exotic R^4's. Our main tool is Gadgil's end Floer homology\, which we compute effectively by analyzing Heegaard Floer cobordism maps. We also discuss new phenomena related to these R^4's\, and relevance to the open problem of finding infinitely many smooth structures on all noncompact 4 manifolds. This is joint work with Jen Hom\, Tye Lidman\, and Shunyu Wan.
UID:150488-21909511@events.umich.edu
URL:https://events.umich.edu/event/150488
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:Mathematics
LOCATION:East Hall - 3866
CONTACT:
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BEGIN:VEVENT
DTSTAMP:20260902T161740
DTSTART;TZID=America/Detroit:20261009T163000
DTEND;TZID=America/Detroit:20261009T180000
SUMMARY:Reception / Open House:2026 Faculty Mixer
DESCRIPTION:Socialize with your faculty colleagues and visit the University’s famous Kelsey Museum of Archaeology during our annual Faculty Mixer event. Snacks and drinks will be served\, and the museum will be open for perusing!
UID:151419-21911571@events.umich.edu
URL:https://events.umich.edu/event/151419
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:Faculty,Kelsey
LOCATION:Kelsey Museum of Archaeology
CONTACT:
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