{ "141894-21889609": { "datetime_modified":"20260113T104609", "datetime_start":"20260123T150000", "datetime_end":"20260123T160000", "has_end_time":1, "date_start":"2026-01-23", "date_end":"2026-01-23", "time_start":"15:00:00", "time_end":"16:00:00", "time_zone":"America\/Detroit", "event_title":"AIM Seminar: Relativistic Initial Data Sets with Prescribed Asymptotics", "occurrence_title":"", "combined_title":"AIM Seminar: Relativistic Initial Data Sets with Prescribed Asymptotics: James Wheeler (University of Michigan)", "event_subtitle":"James Wheeler (University of Michigan)", "event_type":"Lecture \/ Discussion", "event_type_id":"13", "description":"Abstract: In General Relativity, Einstein's equation may be viewed as a second-order system of nonlinear PDE's for the Lorentzian metric on (n+1)-dimensional spacetime that admits an initial value formulation. The required initial data is comprised of a (usually complete) n-dimensional Riemannian manifold equipped with a symmetric (0,2)-tensor, respectively representing a spatially global \"instant in time\" and the \"initial velocity\" of the metric. The Gauss-Codazzi equations imply that not every such pair is admissible, however, and a working initial data set must satisfy certain nonlinear elliptic PDE\u2019s dubbed the constraint equations. In this talk, I will discuss recent work with several collaborators on the construction of working asymptotically flat initial data sets in which various asymptotic features of physical interest can be prescribed.\r\n\r\nContact: AIM Seminar Organizers", "occurrence_notes":null, "guid":"141894-21889609@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/141894", "building_id":"1000166", "building_name":"East Hall", "campus_maps_id":"53", "room":"1084", "location_name":"East Hall", "has_livestream":0, "cost":"", "tags":["Mathematics"], "website":"", "sponsors":[ { "group_name":"Applied Interdisciplinary Mathematics (AIM) Seminar - Department of Mathematics", "group_id":"4882", "website":"" }, { "group_name":"Department of Mathematics", "group_id":"3791", "website":"" } ], "image_url":"", "styled_images":{ "event_thumb":"", "event_large":"", "event_large_2x":"", "event_large_lightbox":"", "group_thumb":"", "group_thumb_square":"", "group_large":"", "group_large_lightbox":"", "event_large_crop":"", "event_list":"", "event_list_2x":"", "event_grid":"", "event_grid_2x":"", "event_feature_large":"", "event_feature_thumb":"" }, "occurrence_count":1, "first_occurrence":21889609 } , "143975-21894359": { "datetime_modified":"20260115T152159", "datetime_start":"20260123T150000", "datetime_end":"20260123T170000", "has_end_time":1, "date_start":"2026-01-23", "date_end":"2026-01-23", "time_start":"15:00:00", "time_end":"17:00:00", "time_zone":"America\/Detroit", "event_title":"Can \u2018Slavic\u2019 Speak for Minorities? \u2014 Who Gets to Belong in Eastern Europe? - Talk 4", "occurrence_title":"", "combined_title":"Can \u2018Slavic\u2019 Speak for Minorities? \u2014 Who Gets to Belong in Eastern Europe? - Talk 4: Global \u201cGypsy\": Balkan Romani Music, Representation, and Appropriation \/ Carol Silverman", "event_subtitle":"Global \u201cGypsy\": Balkan Romani Music, Representation, and Appropriation \/ Carol Silverman", "event_type":"Presentation", "event_type_id":"16", "description":"In the last four decades the popularity of Balkan \"Gypsy\" music has exploded, becoming a staple at world music festivals and dance clubs in the United States and Western Europe. At the same time, thousands of Balkan Roma have emigrated westward due to deteriorating living conditions, racist threats and increased violence. In this heightened atmosphere of xenophobia, entrenched stereotypes have arisen amidst deportations and harassment. Roma, as Europe\u2019s largest minority and one of its quintessential \u201chistoric others,\u201d face the paradox that they are revered for their music yet reviled as people. This illustrated lecture will explore the challenges Balkan Roma face as well as their resilience in transnational sites.\r\n\r\nThis is a hybrid event, please register here: https:\/\/myumi.ch\/y14ew", "occurrence_notes":null, "guid":"143975-21894359@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/143975", "building_id":"1000172", "building_name":"Rackham Graduate School (Horace H.)", "campus_maps_id":"71", "room":"East Conference Room", "location_name":"Rackham Graduate School (Horace H.)", "has_livestream":0, "cost":"", "tags":["Crees","Weiser Center For Europe And Eurasia","Eastern Europe","International","Music","Rackham","Slavic"], "website":"https:\/\/myumi.ch\/y14ew", "sponsors":[ { "group_name":"Slavic Languages & Literatures", "group_id":"3700", "website":"http:\/\/www.facebook.com\/umslavic\/" }, { "group_name":"School of Music, Theatre & Dance (SMTD)", "group_id":"155", "website":"http:\/\/smtd.umich.edu\/events" }, { "group_name":"Rackham Graduate School", "group_id":"1187", "website":"https:\/\/www.facebook.com\/umichgradschool" }, { "group_name":"Center for Russian, East European, and Eurasian Studies", "group_id":"3097", "website":"http:\/\/www.ii.umich.edu\/crees" }, { "group_name":"Weiser Center for Europe and Eurasia", "group_id":"3111", "website":"http:\/\/www.ii.umich.edu\/wcee" }, { "group_name":"Department of Anthropology", "group_id":"3469", "website":"https:\/\/lsa.umich.edu\/anthro" } ], "image_url":"https:\/\/events.umich.edu\/media\/attachments\/2026\/01\/event_143975_original-1.jpg", "styled_images":{ "event_thumb":"https:\/\/events.umich.edu\/media\/cache\/resolve\/event_thumb\/media\/attachments\/2026\/01\/event_143975_original-1.jpg", "event_large":"https:\/\/events.umich.edu\/media\/cache\/event_large\/media\/attachments\/2026\/01\/event_143975_original-1.jpg", "event_large_2x":"https:\/\/events.umich.edu\/media\/cache\/event_large_2x\/media\/attachments\/2026\/01\/event_143975_original-1.jpg", "event_large_lightbox":"https:\/\/events.umich.edu\/media\/cache\/event_large_lightbox\/media\/attachments\/2026\/01\/event_143975_original-1.jpg", "group_thumb":"https:\/\/events.umich.edu\/media\/cache\/resolve\/group_thumb\/media\/attachments\/2026\/01\/event_143975_original-1.jpg", "group_thumb_square":"https:\/\/events.umich.edu\/media\/cache\/resolve\/group_thumb_square\/media\/attachments\/2026\/01\/event_143975_original-1.jpg", "group_large":"https:\/\/events.umich.edu\/media\/cache\/resolve\/group_large\/media\/attachments\/2026\/01\/event_143975_original-1.jpg", "group_large_lightbox":"https:\/\/events.umich.edu\/media\/cache\/resolve\/group_large_lightbox\/media\/attachments\/2026\/01\/event_143975_original-1.jpg", "event_large_crop":"https:\/\/events.umich.edu\/media\/cache\/event_large_crop\/media\/attachments\/2026\/01\/event_143975_original-1.jpg", "event_list":"https:\/\/events.umich.edu\/media\/cache\/event_list\/media\/attachments\/2026\/01\/event_143975_original-1.jpg", "event_list_2x":"https:\/\/events.umich.edu\/media\/cache\/event_list_2x\/media\/attachments\/2026\/01\/event_143975_original-1.jpg", "event_grid":"https:\/\/events.umich.edu\/media\/cache\/event_grid\/media\/attachments\/2026\/01\/event_143975_original-1.jpg", "event_grid_2x":"https:\/\/events.umich.edu\/media\/cache\/resolve\/event_grid_2x\/media\/attachments\/2026\/01\/event_143975_original-1.jpg", "event_feature_large":"https:\/\/events.umich.edu\/media\/cache\/resolve\/event_feature_large\/media\/attachments\/2026\/01\/event_143975_original-1.jpg", "event_feature_thumb":"https:\/\/events.umich.edu\/media\/cache\/event_feature_thumb\/media\/attachments\/2026\/01\/event_143975_original-1.jpg" }, "occurrence_count":1, "first_occurrence":21894359 } }