{ "134486-21874406": { "datetime_modified":"20250402T150256", "datetime_start":"20250402T150000", "datetime_end":"20250402T155000", "has_end_time":1, "date_start":"2025-04-02", "date_end":"2025-04-02", "time_start":"15:00:00", "time_end":"15:50:00", "time_zone":"America\/Detroit", "event_title":"The Fifteen Theorem", "occurrence_title":"", "combined_title":"The Fifteen Theorem: Zander Hill", "event_subtitle":"Zander Hill", "event_type":"Workshop \/ Seminar", "event_type_id":"21", "description":"We discuss a finiteness theorem of Conway and Schneeberger about quadratic forms, called the fifteen theorem. Specifically, a positive definite quadratic form over Z takes on all positive integer values if and only if it takes on the values 1,...,15. We will sketch a proof of this result, along with some less precise generalizations to a large class of similar problems.", "occurrence_notes":null, "guid":"134486-21874406@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/134486", "building_id":"1000166", "building_name":"East Hall", "campus_maps_id":"53", "room":"3088", "location_name":"East Hall", "has_livestream":0, "cost":"", "tags":["Mathematics"], "website":"", "sponsors":[ { "group_name":"Student Number Theory Seminar - Department of Mathematics", "group_id":"4906", "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":21874406 } , "132377-21870840": { "datetime_modified":"20250324T183254", "datetime_start":"20250402T153000", "datetime_end":"20250402T170000", "has_end_time":1, "date_start":"2025-04-02", "date_end":"2025-04-02", "time_start":"15:30:00", "time_end":"17:00:00", "time_zone":"America\/Detroit", "event_title":"Algebraic Geometry Seminar: Some finiteness results for the etale fundamental group in positive characteristics", "occurrence_title":"", "combined_title":"Algebraic Geometry Seminar: Some finiteness results for the etale fundamental group in positive characteristics: Vasudevan Srinivas (University at Buffalo)", "event_subtitle":"Vasudevan Srinivas (University at Buffalo)", "event_type":"Workshop \/ Seminar", "event_type_id":"21", "description":"This talk will discuss some results on etale fundamental groups of varieties over an algebraically closed field of characteristic p > 0, based on joint work with H`el\u00b4ene Esnault and other coauthors. One result, along with Mark Schusterman, is that the tame fundamental group is finitely presented for such a variety which is the complement of an SNC divisor in a smooth projective variety. A second, along with Jakob Stix, is to give an obstruction for a smooth projective variety to admit a lifting to characteristic 0, in terms of the structure of its etale fundamental group as a profinite group. We will finally touch on some open questions.", "occurrence_notes":null, "guid":"132377-21870840@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/132377", "building_id":"1000166", "building_name":"East Hall", "campus_maps_id":"53", "room":"4096", "location_name":"East Hall", "has_livestream":0, "cost":"", "tags":["Mathematics"], "website":"", "sponsors":[ { "group_name":"Algebraic Geometry Seminar - Department of Mathematics", "group_id":"4880", "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":21870840 } , "132904-21872053": { "datetime_modified":"20250219T114930", "datetime_start":"20250402T160000", "datetime_end":"20250402T183000", "has_end_time":1, "date_start":"2025-04-02", "date_end":"2025-04-02", "time_start":"16:00:00", "time_end":"18:30:00", "time_zone":"America\/Detroit", "event_title":"17th Annual Susan B. Meister Lecture in Child Health Policy: Music, Health, and Wellness Across the Lifespan: Pathways to Improve Child Health and Policy", "occurrence_title":"", "combined_title":"17th Annual Susan B. Meister Lecture in Child Health Policy: Music, Health, and Wellness Across the Lifespan: Pathways to Improve Child Health and Policy: Keynote by Mr. Anthony White, Special Performance by the Detroit Youth Choir", "event_subtitle":"Keynote by Mr. Anthony White, Special Performance by the Detroit Youth Choir", "event_type":"Presentation", "event_type_id":"16", "description":"To focus the attention of the University community on the impact of music, health, and wellness across the lifespan, we encourage you to attend the 17th Annual Susan B. Meister Lecture in Child Health Policy on April 2nd. \r\n\r\nRegistration is free, but required: https:\/\/forms.gle\/78YJLc8zpYNdcWie8\r\n\r\nProgram includes: Keynote by Mr. Anthony White, Artistic Director, Detroit Youth Concert Choir and Performing Arts Center; Special Performance by the Detroit Youth Choir; Panel Discussion; Poster session & Open Reception\r\n\r\nTime: 4:00 pm - 6:30 pm\r\n\r\nLocation: Biomedical Sciences Research Building, Kahn Auditorium and Atrium, 109 Zina Pitcher Place, Ann Arbor, MI 48109", "occurrence_notes":null, "guid":"132904-21872053@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/132904", "building_id":"1005037", "building_name":"Taubman Biomedical Science Research Building", "campus_maps_id":"509", "room":"Kahn Auditorium and Atrium", "location_name":"Taubman Biomedical Science Research Building", "has_livestream":0, "cost":"", "tags":["Music","Medicine","Public Health","Public Policy","Research","Sociology","Talk","Undergraduate Students","Discussion","Lecture","In Person","Graduate Students","Graduate and Professional Students","Free","Food","Education"], "website":"https:\/\/forms.gle\/78YJLc8zpYNdcWie8", "sponsors":[ { "group_name":"Child Health Evaluation And Research Center (CHEAR)", "group_id":"4434", "website":"" } ], "image_url":"https:\/\/events.umich.edu\/media\/attachments\/2025\/02\/event_132904_original-1.jpeg", "styled_images":{ "event_thumb":"https:\/\/events.umich.edu\/media\/cache\/event_thumb\/media\/attachments\/2025\/02\/event_132904_original-1.jpeg", "event_large":"https:\/\/events.umich.edu\/media\/cache\/event_large\/media\/attachments\/2025\/02\/event_132904_original-1.jpeg", "event_large_2x":"https:\/\/events.umich.edu\/media\/cache\/event_large_2x\/media\/attachments\/2025\/02\/event_132904_original-1.jpeg", "event_large_lightbox":"https:\/\/events.umich.edu\/media\/cache\/event_large_lightbox\/media\/attachments\/2025\/02\/event_132904_original-1.jpeg", "group_thumb":"https:\/\/events.umich.edu\/media\/cache\/group_thumb\/media\/attachments\/2025\/02\/event_132904_original-1.jpeg", "group_thumb_square":"https:\/\/events.umich.edu\/media\/cache\/group_thumb_square\/media\/attachments\/2025\/02\/event_132904_original-1.jpeg", "group_large":"https:\/\/events.umich.edu\/media\/cache\/group_large\/media\/attachments\/2025\/02\/event_132904_original-1.jpeg", "group_large_lightbox":"https:\/\/events.umich.edu\/media\/cache\/group_large_lightbox\/media\/attachments\/2025\/02\/event_132904_original-1.jpeg", "event_large_crop":"https:\/\/events.umich.edu\/media\/cache\/event_large_crop\/media\/attachments\/2025\/02\/event_132904_original-1.jpeg", "event_list":"https:\/\/events.umich.edu\/media\/cache\/event_list\/media\/attachments\/2025\/02\/event_132904_original-1.jpeg", "event_list_2x":"https:\/\/events.umich.edu\/media\/cache\/event_list_2x\/media\/attachments\/2025\/02\/event_132904_original-1.jpeg", "event_grid":"https:\/\/events.umich.edu\/media\/cache\/event_grid\/media\/attachments\/2025\/02\/event_132904_original-1.jpeg", "event_grid_2x":"https:\/\/events.umich.edu\/media\/cache\/event_grid_2x\/media\/attachments\/2025\/02\/event_132904_original-1.jpeg", "event_feature_large":"https:\/\/events.umich.edu\/media\/cache\/event_feature_large\/media\/attachments\/2025\/02\/event_132904_original-1.jpeg", "event_feature_thumb":"https:\/\/events.umich.edu\/media\/cache\/event_feature_thumb\/media\/attachments\/2025\/02\/event_132904_original-1.jpeg" }, "occurrence_count":1, "first_occurrence":21872053 } }