{ "139160-21884971": { "datetime_modified":"20260315T214721", "datetime_start":"20260331T160000", "datetime_end":"20260331T170000", "has_end_time":1, "date_start":"2026-03-31", "date_end":"2026-03-31", "time_start":"16:00:00", "time_end":"17:00:00", "time_zone":"America\/Detroit", "event_title":"Colloquium: Randomized algorithms for very large scale linear algebra", "occurrence_title":"", "combined_title":"Colloquium: Randomized algorithms for very large scale linear algebra: Per-Gunnar Martinsson, University of Texas at Austin", "event_subtitle":"Per-Gunnar Martinsson, University of Texas at Austin", "event_type":"Lecture \/ Discussion", "event_type_id":"13", "description":"The talk will describe how randomized algorithms can effectively, accurately, and reliably solve linear algebraic problems that are omnipresent in scientific computing and in data analysis. We will focus on techniques for low rank approximation, since these methods are particularly simple and powerful, and are well understood mathematically. The talk will also briefly survey how randomized techniques can be applied to construct compressed representations of global operators such as solution operators to elliptic PDEs, boundary-to-boundary operators such as the Dirichlet-to-Neumann map, and time evolution operators of parabolic PDEs.", "occurrence_notes":null, "guid":"139160-21884971@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/139160", "building_id":"1000166", "building_name":"East Hall", "campus_maps_id":"53", "room":"1360", "location_name":"East Hall", "has_livestream":0, "cost":"", "tags":["Mathematics","Applied Mathematics"], "website":"https:\/\/users.oden.utexas.edu\/~pgm\/", "sponsors":[ { "group_name":"Colloquium Series - Department of Mathematics", "group_id":"4884", "website":"" }, { "group_name":"Department of Mathematics", "group_id":"3791", "website":"" }, { "group_name":"MCAIM - Department of Mathematics", "group_id":"4897", "website":"" } ], "image_url":"https:\/\/events.umich.edu\/media\/attachments\/2025\/09\/event_139160_original-1.jpg", "styled_images":{ "event_thumb":"https:\/\/events.umich.edu\/media\/cache\/event_thumb\/media\/attachments\/2025\/09\/event_139160_original-1.jpg", "event_large":"https:\/\/events.umich.edu\/media\/cache\/event_large\/media\/attachments\/2025\/09\/event_139160_original-1.jpg", "event_large_2x":"https:\/\/events.umich.edu\/media\/cache\/event_large_2x\/media\/attachments\/2025\/09\/event_139160_original-1.jpg", "event_large_lightbox":"https:\/\/events.umich.edu\/media\/cache\/event_large_lightbox\/media\/attachments\/2025\/09\/event_139160_original-1.jpg", "group_thumb":"https:\/\/events.umich.edu\/media\/cache\/group_thumb\/media\/attachments\/2025\/09\/event_139160_original-1.jpg", "group_thumb_square":"https:\/\/events.umich.edu\/media\/cache\/group_thumb_square\/media\/attachments\/2025\/09\/event_139160_original-1.jpg", "group_large":"https:\/\/events.umich.edu\/media\/cache\/group_large\/media\/attachments\/2025\/09\/event_139160_original-1.jpg", "group_large_lightbox":"https:\/\/events.umich.edu\/media\/cache\/group_large_lightbox\/media\/attachments\/2025\/09\/event_139160_original-1.jpg", "event_large_crop":"https:\/\/events.umich.edu\/media\/cache\/event_large_crop\/media\/attachments\/2025\/09\/event_139160_original-1.jpg", "event_list":"https:\/\/events.umich.edu\/media\/cache\/event_list\/media\/attachments\/2025\/09\/event_139160_original-1.jpg", "event_list_2x":"https:\/\/events.umich.edu\/media\/cache\/event_list_2x\/media\/attachments\/2025\/09\/event_139160_original-1.jpg", "event_grid":"https:\/\/events.umich.edu\/media\/cache\/event_grid\/media\/attachments\/2025\/09\/event_139160_original-1.jpg", "event_grid_2x":"https:\/\/events.umich.edu\/media\/cache\/event_grid_2x\/media\/attachments\/2025\/09\/event_139160_original-1.jpg", "event_feature_large":"https:\/\/events.umich.edu\/media\/cache\/event_feature_large\/media\/attachments\/2025\/09\/event_139160_original-1.jpg", "event_feature_thumb":"https:\/\/events.umich.edu\/media\/cache\/event_feature_thumb\/media\/attachments\/2025\/09\/event_139160_original-1.jpg" }, "occurrence_count":1, "first_occurrence":21884971 } , "146966-21899888": { "datetime_modified":"20260324T114214", "datetime_start":"20260331T160000", "datetime_end":"20260331T173000", "has_end_time":1, "date_start":"2026-03-31", "date_end":"2026-03-31", "time_start":"16:00:00", "time_end":"17:30:00", "time_zone":"America\/Detroit", "event_title":"Fourth of July Class Poster Presentation", "occurrence_title":"", "combined_title":"Fourth of July Class Poster Presentation", "event_subtitle":"", "event_type":"Exhibition", "event_type_id":"7", "description":"Please join the William L. Clements Library and U.S.@250 for a student panel and reception, hosted in the historic Avenir Foundation Reading Room. Student curators will discuss their experiences in creating a public-facing exhibit documenting various ways that people have celebrated the Fourth of July throughout history. From navigating the complexities of memorializing national holidays to the logistics of creating an exhibit, the students and Dr. Scott Larson will consider the opportunities that the 250th anniversary of the Revolution provides for projects like this one.\n\nAfter the panel, a reception will be hosted in the beautiful and historic Avenir Foundation Reading Room. The current exhibit, \u201cRevolutionary Paine,\u201d will be available for viewing.", "occurrence_notes":null, "guid":"146966-21899888@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/146966", "building_id":"1000159", "building_name":"William Clements Library", "campus_maps_id":"165", "room":"", "location_name":"William Clements Library", "has_livestream":0, "cost":"", "tags":["Discussion","american culture","american history","Americana","Event","Exhibit","Fun","history","In Person","United States At 250","Us At 250","William L Clements"], "website":"https:\/\/clements.umich.edu\/events\/", "sponsors":[ { "group_name":"William L. 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The Computer and Video Game Archive will have its doors open so you can explore decades of video game history through different consoles and games, which will be available to play.\n\nCompete by playing arcade games. The highest-scoring players will win library swag!", "occurrence_notes":null, "guid":"146362-21898957@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/146362", "building_id":"1000227", "building_name":"Shapiro Library", "campus_maps_id":"139", "room":"Computer and Video Game Archive (CVGA), 4th floor", "location_name":"Shapiro Library", "has_livestream":0, "cost":"", "tags":["Library","Free"], "website":"", "sponsors":[ { "group_name":"University Library", "group_id":"1186", "website":"https:\/\/www.facebook.com\/UMichLibrary\/" } ], "image_url":"https:\/\/events.umich.edu\/media\/attachments\/2026\/03\/event_146362_original-1.png", "styled_images":{ "event_thumb":"https:\/\/events.umich.edu\/media\/cache\/event_thumb\/media\/attachments\/2026\/03\/event_146362_original-1.png", "event_large":"https:\/\/events.umich.edu\/media\/cache\/event_large\/media\/attachments\/2026\/03\/event_146362_original-1.png", "event_large_2x":"https:\/\/events.umich.edu\/media\/cache\/event_large_2x\/media\/attachments\/2026\/03\/event_146362_original-1.png", "event_large_lightbox":"https:\/\/events.umich.edu\/media\/cache\/event_large_lightbox\/media\/attachments\/2026\/03\/event_146362_original-1.png", "group_thumb":"https:\/\/events.umich.edu\/media\/cache\/group_thumb\/media\/attachments\/2026\/03\/event_146362_original-1.png", "group_thumb_square":"https:\/\/events.umich.edu\/media\/cache\/group_thumb_square\/media\/attachments\/2026\/03\/event_146362_original-1.png", "group_large":"https:\/\/events.umich.edu\/media\/cache\/group_large\/media\/attachments\/2026\/03\/event_146362_original-1.png", "group_large_lightbox":"https:\/\/events.umich.edu\/media\/cache\/group_large_lightbox\/media\/attachments\/2026\/03\/event_146362_original-1.png", "event_large_crop":"https:\/\/events.umich.edu\/media\/cache\/event_large_crop\/media\/attachments\/2026\/03\/event_146362_original-1.png", "event_list":"https:\/\/events.umich.edu\/media\/cache\/event_list\/media\/attachments\/2026\/03\/event_146362_original-1.png", "event_list_2x":"https:\/\/events.umich.edu\/media\/cache\/event_list_2x\/media\/attachments\/2026\/03\/event_146362_original-1.png", "event_grid":"https:\/\/events.umich.edu\/media\/cache\/event_grid\/media\/attachments\/2026\/03\/event_146362_original-1.png", "event_grid_2x":"https:\/\/events.umich.edu\/media\/cache\/event_grid_2x\/media\/attachments\/2026\/03\/event_146362_original-1.png", "event_feature_large":"https:\/\/events.umich.edu\/media\/cache\/event_feature_large\/media\/attachments\/2026\/03\/event_146362_original-1.png", "event_feature_thumb":"https:\/\/events.umich.edu\/media\/cache\/event_feature_thumb\/media\/attachments\/2026\/03\/event_146362_original-1.png" }, "occurrence_count":1, "first_occurrence":21898957 } , "146312-21898868": { "datetime_modified":"20260331T061517", "datetime_start":"20260331T160000", "datetime_end":"20260308T010000", "has_end_time":1, "date_start":"2026-03-31", "date_end":"2026-03-08", "time_start":"16:00:00", "time_end":"01:00:00", "time_zone":"America\/Detroit", "event_title":"Softball vs Oakland", "occurrence_title":"", "combined_title":"Softball vs Oakland", "event_subtitle":"", "event_type":"Sporting Event", "event_type_id":"20", "description":"Softball vs Oakland", "occurrence_notes":null, "guid":"146312-21898868@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/146312", "building_id":"5123", "building_name":"Alumni Field", "campus_maps_id":"655", "room":"", "location_name":"Alumni Field", "has_livestream":0, "cost":"See MGoblue.com", "tags":["Athletics - Softball","Athletics"], "website":"https:\/\/mgoblue.com", "sponsors":[ { "group_name":"Michigan Athletics", "group_id":"3406", "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":21898868 } , "145669-21897663": { "datetime_modified":"20260331T162041", "datetime_start":"20260331T163000", "datetime_end":"20260331T180000", "has_end_time":1, "date_start":"2026-03-31", "date_end":"2026-03-31", "time_start":"16:30:00", "time_end":"18:00:00", "time_zone":"America\/Detroit", "event_title":"SMTD Queer Social", "occurrence_title":"", "combined_title":"SMTD Queer Social", "event_subtitle":"", "event_type":"Workshop \/ Seminar", "event_type_id":"21", "description":"", "occurrence_notes":null, "guid":"145669-21897663@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/145669", "building_id":"", "building_name":"", "campus_maps_id":"", "room":"", "location_name":"", "has_livestream":0, "cost":"", "tags":["Sessions"], "website":"https:\/\/sessions.studentlife.umich.edu\/p\/track\/16615", "sponsors":[ { "group_name":"Sessions @ Michigan", "group_id":"4791", "website":"https:\/\/sessions.studentlife.umich.edu\/" } ], "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":21897663 } , "145433-21897346": { "datetime_modified":"20260302T171502", "datetime_start":"20260331T170000", "datetime_end":"20260331T200000", "has_end_time":1, "date_start":"2026-03-31", "date_end":"2026-03-31", "time_start":"17:00:00", "time_end":"20:00:00", "time_zone":"America\/Detroit", "event_title":"Artwork Pickup: 30th Annual Exhibition", "occurrence_title":"", "combined_title":"Artwork Pickup: 30th Annual Exhibition: 30th Annual Exhibition of Artists in Michigan Prisons", "event_subtitle":"30th Annual Exhibition of Artists in Michigan Prisons", "event_type":"Other", "event_type_id":"22", "description":"Join us at the Duderstadt Gallery or the PCAP Studio to collect your artwork from the 30th Annual Exhibition. Please bring your receipt or notification letter. \n\nMarch 31 and April 1 artwork pickup is at the Duderstadt Center Gallery. \n\nApril 14, 16, and 17 artwork pickup is at the PCAP Studio.\n\nThe PCAP Studio is located in the rear hallway of the Campus Safety Services Building (1239 Kipke Dr), located across the parking lot from the Crisler Center. Short-term guest parking is available in the designated \"DPSS Visitor\" spots near the building entrance.\n\n\u25cf GPS Tip: Use the physical address (1239 Kipke Dr) for GPS. Searching for the building name may route you to the wrong entrance.\n\u25cf Entrance: Enter through the double doors marked \"Division of Public Safety and Security.\"\n\u25cf Inside the Building: Walk straight past the main desk toward the door leading to a long hallway. Note: You do not need to check in at the DPSS desk.\n\u25cf The Studio: Walk to the very end of the hallway and turn right. The PCAP Studio is immediately on your right in Room 1400.\n\nSponsors\nThe 30th Annual Exhibition is presented with support from Michigan Arts and Culture Council, Bank of Ann Arbor, Eckhart Tolle Foundation, Arts Initiative, The Carceral State Project, Center for World Performance Studies, Department of Afroamerican and African Studies, Department of Sociology, Institute for the Humanities, Residential College, School of Social Work.", "occurrence_notes":null, "guid":"145433-21897346@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/145433", "building_id":"1000396", "building_name":"Duderstadt Center", "campus_maps_id":"181", "room":"Gallery", "location_name":"Duderstadt Center", "has_livestream":0, "cost":"", "tags":["Visual Arts","Social Justice","Art"], "website":"http:\/\/www.prisonarts.org", "sponsors":[ { "group_name":"Prison Creative Arts Project", "group_id":"2376", "website":"http:\/\/www.prisonarts.org" }, { "group_name":"Residential College", "group_id":"1029", "website":"" }, { "group_name":"Department of Afroamerican and African Studies", "group_id":"1144", "website":"http:\/\/www.lsa.umich.edu\/daas\/" }, { "group_name":"School of Social Work", "group_id":"1158", "website":"" }, { "group_name":"Center for World Performance Studies", "group_id":"3275", "website":"http:\/\/lsa.umich.edu\/world-performance" }, { "group_name":"Department of Sociology", "group_id":"3478", "website":"" }, { "group_name":"Arts Initiative", "group_id":"4583", "website":"" }, { "group_name":"School of Social Work Community Engagement", "group_id":"5222", "website":"" }, { "group_name":"The Carceral State Project", "group_id":"5319", "website":"" } ], "image_url":"https:\/\/events.umich.edu\/media\/attachments\/2026\/02\/event_145433_original-1.jpg", "styled_images":{ "event_thumb":"https:\/\/events.umich.edu\/media\/cache\/event_thumb\/media\/attachments\/2026\/02\/event_145433_original-1.jpg", "event_large":"https:\/\/events.umich.edu\/media\/cache\/event_large\/media\/attachments\/2026\/02\/event_145433_original-1.jpg", "event_large_2x":"https:\/\/events.umich.edu\/media\/cache\/event_large_2x\/media\/attachments\/2026\/02\/event_145433_original-1.jpg", "event_large_lightbox":"https:\/\/events.umich.edu\/media\/cache\/event_large_lightbox\/media\/attachments\/2026\/02\/event_145433_original-1.jpg", "group_thumb":"https:\/\/events.umich.edu\/media\/cache\/group_thumb\/media\/attachments\/2026\/02\/event_145433_original-1.jpg", "group_thumb_square":"https:\/\/events.umich.edu\/media\/cache\/group_thumb_square\/media\/attachments\/2026\/02\/event_145433_original-1.jpg", "group_large":"https:\/\/events.umich.edu\/media\/cache\/group_large\/media\/attachments\/2026\/02\/event_145433_original-1.jpg", "group_large_lightbox":"https:\/\/events.umich.edu\/media\/cache\/group_large_lightbox\/media\/attachments\/2026\/02\/event_145433_original-1.jpg", "event_large_crop":"https:\/\/events.umich.edu\/media\/cache\/event_large_crop\/media\/attachments\/2026\/02\/event_145433_original-1.jpg", "event_list":"https:\/\/events.umich.edu\/media\/cache\/event_list\/media\/attachments\/2026\/02\/event_145433_original-1.jpg", "event_list_2x":"https:\/\/events.umich.edu\/media\/cache\/event_list_2x\/media\/attachments\/2026\/02\/event_145433_original-1.jpg", "event_grid":"https:\/\/events.umich.edu\/media\/cache\/event_grid\/media\/attachments\/2026\/02\/event_145433_original-1.jpg", "event_grid_2x":"https:\/\/events.umich.edu\/media\/cache\/event_grid_2x\/media\/attachments\/2026\/02\/event_145433_original-1.jpg", "event_feature_large":"https:\/\/events.umich.edu\/media\/cache\/event_feature_large\/media\/attachments\/2026\/02\/event_145433_original-1.jpg", "event_feature_thumb":"https:\/\/events.umich.edu\/media\/cache\/event_feature_thumb\/media\/attachments\/2026\/02\/event_145433_original-1.jpg" }, "occurrence_count":5, "first_occurrence":21897346 } , "147192-21900511": { "datetime_modified":"20260329T202416", "datetime_start":"20260331T170000", "datetime_end":"20260331T180000", "has_end_time":1, "date_start":"2026-03-31", "date_end":"2026-03-31", "time_start":"17:00:00", "time_end":"18:00:00", "time_zone":"America\/Detroit", "event_title":"Student Analysis Seminar: Hyperbolic systems for the Einstein equations: local well-posedness and energy estimate", "occurrence_title":"", "combined_title":"Student Analysis Seminar: Hyperbolic systems for the Einstein equations: local well-posedness and energy estimate: Shuhong Yang", "event_subtitle":"Shuhong Yang", "event_type":"Workshop \/ Seminar", "event_type_id":"21", "description":"This talk continues the discussion of hyperbolic formulations of the vacuum Einstein equations (VEE). The previous talk in Fall 2025, we introduced the first local well-posedness result, established by Yvonne Choquet-Bruhat in 1952 using the \u201cwave gauge\u201d. This talk considers alternative approaches when assuming asymptotic flatness. By evolving VEE with a \u201cmaximal time foliation\u201d, one can establish an elliptic-hyperbolic local well-posedness and an electric-magnetic type energy estimate. These are important ingredients in proof of global stability of Minkowski spacetime (Christodoulou\u2013Klainerman, 1993).", "occurrence_notes":null, "guid":"147192-21900511@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/147192", "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":"Student Analysis Seminar - Department of Mathematics", "group_id":"4905", "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":21900511 } }