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BEGIN:VEVENT
DTSTAMP:20251002T165157
DTSTART;TZID=America/Detroit:20251010T150000
DTEND;TZID=America/Detroit:20251010T160000
SUMMARY:Lecture / Discussion:AIM Seminar:  Dispersive behaviour of quasilinear hyperbolic waves on periodic backgrounds
DESCRIPTION:Abstract:  Waves propagating in media with periodic structures have attracted a lot of attention in recent years. These media show interesting macroscopic properties\, which may be quite different from those of the individual materials constituting the stratified system. More recently\, waves on fluids and gases with an underlying periodic structure have been studied.  These waves present a peculiar\, somehow unexpected\, behaviour. For example\, there is evidence that in spite of the fact that the waves are governed by a genuinely quasi-linear hyperbolic system\, they do not break into a shock.  Here we present several systems in which hyperbolic waves show a dispersive behaviour\, and deduce approximate effective equations which explain the peculiar phenomena.  In all cases\, the effective equations are obtained by asymptotic expansion of the solution in a small parameter representing the ratio between the period of the structure and a typical wavelength.\n\nWe start by considering 1D shallow water system with periodic bathymetry. The detailed numerical solutions of the system are compared with the ones satisfied by the effective equations at various orders in the small parameter. Traveling wave solutions of the dispersive models are also computed and compared with the traveling waves emerging from the shallow water system.  As a second example we consider 2D shallow water\, with waves propagating in the x-direction\, while the bathymetry is periodic in the y-direction.  The last example concerns the Euler equations in gas dynamics. The stationary background is a state with constant pressure\, zero velocity\, and a periodic variation in the density.  Open problems and related work in progress will be mentioned.  \n\nContact:  Peter Miller
UID:135810-21877293@events.umich.edu
URL:https://events.umich.edu/event/135810
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:Mathematics
LOCATION:East Hall - 1084
CONTACT:
END:VEVENT
BEGIN:VEVENT
DTSTAMP:20250828T123027
DTSTART;TZID=America/Detroit:20251010T150000
DTEND;TZID=America/Detroit:20251010T163000
SUMMARY:Lecture / Discussion:Bananapocalypse: Un/Making Plantation Capitalism
DESCRIPTION:The University of Michigan Department of Anthropology presents its fall 2025 Roy A. Rappaport Lecture Series\, “Bananapocalypse: Un/Making Plantation Capitalism\,” with Assistant Professor Alyssa Paredes:\n\n“Existential crises hang over the producers of the world’s food. Many of these challenges are self-inflicted. In the banana-growing regions of the Southern Philippines\, which produce fruit for export to Japanese markets\, plantations unleash pesticide drift\, food waste\, water effluent\, and fungal pathogens into the surroundings. The plantocratic elite systematically shirks responsibility for these excesses\, using legal contracts\, scientific conventions\, and standards of trade to frame them as “external” to their supply chains. However\, plantation management is regularly proven wrong in its assumption that the things they try to push downstream will not double back to haunt them. Everyday actors on the plantations’ peripheries transform the devices designed to work against them into openings for intervention. Their efforts implore critical scholars of the environment and of global economies to take seriously the possibility that Big Ag’s increasingly frequent failures to reproduce itself are more than just minor inconveniences to business-as-usual. In this series of lectures\, I trace the afterlives of the externalities that commodity production obscures\, disguises\, or otherwise erases from its ambit of accountability. In so doing\, I offer an ethnographic model for turning the commodity studies model\, inherited from generations of anthropologists\, inside-out.”\n\nRappaport lectures will take place on the following fall Fridays from 3 to 4:30 p.m. in 411 West Hall. They are free and open to the public. \n\nFriday\, Sept. 12\nElses and Externalities: The Un/Making of Plantation Capitalism \n\nFriday\, Oct. 10\nRejects: Food Cosmetic Standards and the Geopolitics of Waste\n\nFriday\, Nov. 14\nEffluent: Living Downstream of Yourself on the Mindanao River\n\nFriday\, Dec. 5\nForce Majeure: The See-Through Plantation\n\nVIRTUAL PARTICIPATION LINK: https://umich.zoom.us/j/91475190155\n\nIf you need accommodations in order to attend\, please email anthro.exec.secretary@umich.edu.\n\nABOUT ASSISTANT PROFESSOR ALYSSA PAREDES\nAlyssa Paredes is an environmental and economic anthropologist with research interests at the intersection of industrial agriculture\, transnational supply chains\, and social mobilization between the Southern Philippines and Japan. Her book manuscript\, tentatively titled “Bananapocalypse: An Ethnography of the Commodity for the 21st Century\,” is under contract with the University of California Press. Additionally\, her work appears in journals in anthropology\, history\, geography\, food studies\, and Asian studies. She is also co-editor of “Halo-Halo Ecologies: The Emergent Environments Behind Filipino Food” (University of Hawaii Press 2025). She holds a Ph.D. in Anthropology from Yale University.
UID:135598-21876979@events.umich.edu
URL:https://events.umich.edu/event/135598
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:AEM Featured,Anthropology,Archaeology,Ecology,Environment,History,Southeast Asia
LOCATION:West Hall - 411
CONTACT:
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BEGIN:VEVENT
DTSTAMP:20251002T114741
DTSTART;TZID=America/Detroit:20251010T150000
DTEND;TZID=America/Detroit:20251010T162000
SUMMARY:Workshop / Seminar:Does Urban Biodiversity Matter? Evidence from NYC’s Street Tree Changes
DESCRIPTION:--
UID:140194-21886727@events.umich.edu
URL:https://events.umich.edu/event/140194
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:Economics,Energy,Environment,seminar
LOCATION:Jeff T. Blau Hall - B4584
CONTACT:
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BEGIN:VEVENT
DTSTAMP:20251025T123210
DTSTART;TZID=America/Detroit:20251010T150000
DTEND;TZID=America/Detroit:20251010T160000
SUMMARY:Careers / Jobs:Embrace Curiosity: SAP Academy for Product & Engineering
DESCRIPTION:The SAP Academy for Product and Engineering\, previously known as SAP Next Talent\, is a rotational program that offers you the opportunity to get immersed in a talented community of tech innovators. You’ll work alongside experienced builders\, learning how to translate technical skills into high-impact solutions. Start your journey to becoming a well-rounded tech innovator with SAP’s full-time rotational program\, designed for aspiring developers\, designers\, and data scientists ready to make an impact through real-world projects\, expert mentorship\, and cutting-edge tools. You are invited to join us live to learn more about the program and Life at SAP directly from our current program participants. Hope to see you there! Hiring soon for 2026 grads. This program does not support work authorization sponsorship now or in the future.
UID:140211-21886742@events.umich.edu
URL:https://events.umich.edu/event/140211
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:
LOCATION:
CONTACT:
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BEGIN:VEVENT
DTSTAMP:20251005T222228
DTSTART;TZID=America/Detroit:20251010T150000
DTEND;TZID=America/Detroit:20251010T160000
SUMMARY:Workshop / Seminar:Student Algebraic Geometry:  Twistor spaces of K3 Surfaces
DESCRIPTION:Given a complex K3 surfaces with a fixed Kahler class\, one can construct a family of K3 surfaces over the projective line called the twister space. The theory of twistor spaces is effective for studying the period domain/period map and also leads to the study of hyperholomorphic sheaves\, which have peculiar deformation-theoretic properties. Furthermore\, similar theories of twistor spaces exist in the context of hyperkahler varieties as well as supersingular K3 surfaces in positive characteristics\, which provide further potential applications. In this talk\, we plan to stick to the case of complex K3 surfaces and introduce twistor spaces and their basic properties.
UID:140314-21886912@events.umich.edu
URL:https://events.umich.edu/event/140314
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:Mathematics
LOCATION:East Hall - 2866
CONTACT:
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BEGIN:VEVENT
DTSTAMP:20260105T110419
DTSTART;TZID=America/Detroit:20251010T150000
DTEND;TZID=America/Detroit:20251010T160000
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:138091-21881927@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:20250915T131825
DTSTART;TZID=America/Detroit:20251010T153000
DTEND;TZID=America/Detroit:20251010T163000
SUMMARY:Lecture / Discussion:Smith Lecture: Madison L. Myers
DESCRIPTION:Caldera-forming\, large-volume eruptions (> 450 km³ magma) are among the most impactful volcanic events on Earth\, producing extensive ignimbrites and widespread ashfall hazards. Due to their rarity (reoccurrence interval ~100 ka)\, reconstructing their eruption dynamics requires detailed field mapping coupled with geochemical analysis. Together these tools can be used to identify distinct eruptive phases and reconstruct the magmatic plumbing system. Although still largely thought to be instantaneous events\, fed from a singular magmatic chamber\, field mapping in quaternary systems has highlighted that no single model can be used to understand their behavior. Supereruptions can start mildly over weeks to months before escalating into climactic activity or go into vigorous activity immediately. Field work in Yellowstone has highlighted that individual supereruptions can record activity that required days to weeks or eruptive time or be prolonged over decades. The magmatic sources vary from single bodies of magma to multiple magma bodies that are simultaneously or sequentially tapped. In contrast to these variations\, there are some aspects that are remarkable similar. For instance\, the erupted magmas are often assembled at shallower depths (4–10 km) where mineral diffusion timescales consistently return evidence that only decades to centuries of unrest occur prior to eruption. Examples will be provided from our recent work remapping the Lava Creek Tuff in Yellowstone\, where nothing is as simple as originally presumed.
UID:139366-21885337@events.umich.edu
URL:https://events.umich.edu/event/139366
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:Earth And Environmental Sciences
LOCATION:1100 North University Building - 1528
CONTACT:
END:VEVENT
BEGIN:VEVENT
DTSTAMP:20250930T220431
DTSTART;TZID=America/Detroit:20251010T160000
DTEND;TZID=America/Detroit:20251010T170000
SUMMARY:Workshop / Seminar:Algebraic Geometry Learning Seminar: Super math
DESCRIPTION:Crash course on super math: super schemes\, super vector bundles and connections on them\, etc.
UID:140118-21886640@events.umich.edu
URL:https://events.umich.edu/event/140118
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:Mathematics
LOCATION:East Hall - 4096
CONTACT:
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