{ "147146-21900436": { "datetime_modified":"20260327T135539", "datetime_start":"20260401T150000", "datetime_end":"20260401T160000", "has_end_time":1, "date_start":"2026-04-01", "date_end":"2026-04-01", "time_start":"15:00:00", "time_end":"16:00:00", "time_zone":"America\/Detroit", "event_title":"Math Grad Show and Tell Seminar: Magic or Math?", "occurrence_title":"", "combined_title":"Math Grad Show and Tell Seminar: Magic or Math?: Barry Henaku", "event_subtitle":"Barry Henaku", "event_type":"Workshop \/ Seminar", "event_type_id":"21", "description":"We examine the math behind various magic tricks. As a first example, a card trick is interpreted through a combinatorial lens and illustrates how structured encoding and permutation strategies allow for complete recovery of missing data. Time permitting, we will show how to generalize these tricks to decks of arbitrary size.", "occurrence_notes":null, "guid":"147146-21900436@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/147146", "building_id":"1000166", "building_name":"East Hall", "campus_maps_id":"53", "room":"3096", "location_name":"East Hall", "has_livestream":0, "cost":"", "tags":["Mathematics"], "website":"", "sponsors":[ { "group_name":"Math Grad Show and Tell Seminar - Department of Mathematics", "group_id":"5515", "website":"" }, { "group_name":"Department of Mathematics", "group_id":"3791", "website":"" } ], "image_url":"https:\/\/events.umich.edu\/media\/attachments\/2026\/03\/event_147146_original-1.jpg", "styled_images":{ "event_thumb":"https:\/\/events.umich.edu\/media\/cache\/event_thumb\/media\/attachments\/2026\/03\/event_147146_original-1.jpg", "event_large":"https:\/\/events.umich.edu\/media\/cache\/event_large\/media\/attachments\/2026\/03\/event_147146_original-1.jpg", "event_large_2x":"https:\/\/events.umich.edu\/media\/cache\/event_large_2x\/media\/attachments\/2026\/03\/event_147146_original-1.jpg", "event_large_lightbox":"https:\/\/events.umich.edu\/media\/cache\/event_large_lightbox\/media\/attachments\/2026\/03\/event_147146_original-1.jpg", "group_thumb":"https:\/\/events.umich.edu\/media\/cache\/group_thumb\/media\/attachments\/2026\/03\/event_147146_original-1.jpg", "group_thumb_square":"https:\/\/events.umich.edu\/media\/cache\/group_thumb_square\/media\/attachments\/2026\/03\/event_147146_original-1.jpg", "group_large":"https:\/\/events.umich.edu\/media\/cache\/group_large\/media\/attachments\/2026\/03\/event_147146_original-1.jpg", "group_large_lightbox":"https:\/\/events.umich.edu\/media\/cache\/group_large_lightbox\/media\/attachments\/2026\/03\/event_147146_original-1.jpg", "event_large_crop":"https:\/\/events.umich.edu\/media\/cache\/event_large_crop\/media\/attachments\/2026\/03\/event_147146_original-1.jpg", "event_list":"https:\/\/events.umich.edu\/media\/cache\/event_list\/media\/attachments\/2026\/03\/event_147146_original-1.jpg", "event_list_2x":"https:\/\/events.umich.edu\/media\/cache\/event_list_2x\/media\/attachments\/2026\/03\/event_147146_original-1.jpg", "event_grid":"https:\/\/events.umich.edu\/media\/cache\/event_grid\/media\/attachments\/2026\/03\/event_147146_original-1.jpg", "event_grid_2x":"https:\/\/events.umich.edu\/media\/cache\/event_grid_2x\/media\/attachments\/2026\/03\/event_147146_original-1.jpg", "event_feature_large":"https:\/\/events.umich.edu\/media\/cache\/event_feature_large\/media\/attachments\/2026\/03\/event_147146_original-1.jpg", "event_feature_thumb":"https:\/\/events.umich.edu\/media\/cache\/event_feature_thumb\/media\/attachments\/2026\/03\/event_147146_original-1.jpg" }, "occurrence_count":1, "first_occurrence":21900436 } , "146609-21899347": { "datetime_modified":"20260325T172231", "datetime_start":"20260401T153000", "datetime_end":"20260401T170000", "has_end_time":1, "date_start":"2026-04-01", "date_end":"2026-04-01", "time_start":"15:30:00", "time_end":"17:00:00", "time_zone":"America\/Detroit", "event_title":"Algebraic Geometry Seminar: Curious properties of Chow rings of matroids", "occurrence_title":"", "combined_title":"Algebraic Geometry Seminar: Curious properties of Chow rings of matroids: Shiyue Li (U. Michigan)", "event_subtitle":"Shiyue Li (U. Michigan)", "event_type":"Workshop \/ Seminar", "event_type_id":"21", "description":"The Chow rings of matroids were constructed by Feichtner\u2014Yuzvinsky as the Chow ring of smooth, but typically noncompact, toric varieties. They satisfy remarkable Hodge theoretic properties that are satisfied by a smooth projective variety. These special properties became the start of combinatorial Hodge theory, and played a key role in the resolution of the Heron-Rota-Welsh conjecture on log-concavity of characteristic polynomials of matroids, and the Dowling\u2014Wilson top-heavy conjecture. I will survey some properties of Chow rings and K-rings of matroids, including the construction of an exceptional Hirzebruch\u2014Riemann\u2014Roch theorem. I will touch on some progress on open conjectures surrounding real-rootedness of Poincare polynomials of the Chow rings of matroids, and their connection to combinatorial commutative algebra.", "occurrence_notes":null, "guid":"146609-21899347@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/146609", "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":21899347 } , "146268-21898804": { "datetime_modified":"20260306T133125", "datetime_start":"20260401T160000", "datetime_end":"20260401T180000", "has_end_time":1, "date_start":"2026-04-01", "date_end":"2026-04-01", "time_start":"16:00:00", "time_end":"18:00:00", "time_zone":"America\/Detroit", "event_title":"Bike Repair Hours", "occurrence_title":"", "combined_title":"Bike Repair Hours", "event_subtitle":"", "event_type":"Workshop \/ Seminar", "event_type_id":"21", "description":"Does your bike need a tune-up? Need help fixing a flat or getting your gears to shift smoothly? \nSign up for a 30-minute slot and your bike for peer-to-peer bike repair and maintenance. Our volunteers can help you diagnose bike problems, guide you through repairs, and provide the tools & materials needed to get you back to riding.\n\nEvery Wednesday from 4-6pm and Friday from 3-5:30pm in the Duderstadt Fabrication Underground (B430-Lower Level) SIGN UP HERE: https:\/\/tr.ee\/Lp9kLnnfP9\n \nThe Duderstadt Fabrication Underground's Bike Repair rack is available for use during all operation hours (M-F 12-6p). WoW Volunteers will only be there at our dedicated support hours with additional materials (tire patches, grease, etc). \n\nThis is NOT a drop-off service: ALL participants are expected to stay and participate in repairs to learn basic bike maintenance with the support of our volunteers. Expect to get your hands dirty and leave feeling more confident in your skills!\n\nIf you are interested in becoming a volunteer at any skill level for our new program, please email wolverinesonwheels-admin@umich.edu or sign up here: https:\/\/docs.google.com\/spreadsheets\/d\/1QVMuOatF-toPc_ky9QIAeeD0ob-ndBGA4uUFm9EAZ0g\/edit?usp=sharing", "occurrence_notes":"Wipe your tires THEN your bike down using the elevator. 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Need help fixing a flat or getting your gears to shift smoothly?\u00a0\r\nCome to the FREE Wolverines on Wheels Bike Repair Hours on Wednesdays from 4-6p and Fridays from 3:30-5p.\r\nSign up for a 30-minute slot and your bike to the Duderstadt Fabrication Underground (B430-Lower Level) for peer-to-peer bike repair and maintenance. Our volunteers can help you diagnosis bike problems, guide you through repairs, and provide the tools & materials needed to get you back to riding.\u00a0\r\nThis is NOT a drop-off service: ALL participants are expected to stay and participate in repairs to learn basic bike maintenance with the support of our volunteers. Expect to get your hands dirty and leave feeling more confident in your skills!\r\nOnly one bike per participant. You may sign up for multiple slots in a row but please be mindful of sharing the opportunity with other campus riders. Walk-ins are welcome but come secondary to sign-ups.\u00a0\r\nIf you are interested in becoming a volunteer for our new program, please email wolverinesonwheels-admin@umich.edu\r\nThe Duderstadt Fabrication Underground's Bike Repair rack is available for use during all operation hours (M-F 12-6p). WoW Volunteers will only be there at our dedicated support hours with additional materials (tire patches, grease, etc).\u00a0\r\nhttps:\/\/calendly.com\/wolverinesonwheels-admin-umich\/30min\u00a0", "occurrence_notes":null, "guid":"145005-21896267@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/145005", "building_id":"", "building_name":"", "campus_maps_id":"", "room":"", "location_name":"Duderstadt Fabrication Underground", "has_livestream":0, "cost":"", "tags":[], "website":"https:\/\/maizepages.umich.edu\/event\/12183808", "sponsors":[ { "group_name":"Maize Pages Student Organizations", "group_id":"2390", "website":"" } ], "image_url":"https:\/\/events.umich.edu\/media\/attachments\/2026\/04\/event_145005_original-228.png", "styled_images":{ "event_thumb":"https:\/\/events.umich.edu\/media\/cache\/event_thumb\/media\/attachments\/2026\/04\/event_145005_original-228.png", "event_large":"https:\/\/events.umich.edu\/media\/cache\/event_large\/media\/attachments\/2026\/04\/event_145005_original-228.png", "event_large_2x":"https:\/\/events.umich.edu\/media\/cache\/event_large_2x\/media\/attachments\/2026\/04\/event_145005_original-228.png", "event_large_lightbox":"https:\/\/events.umich.edu\/media\/cache\/event_large_lightbox\/media\/attachments\/2026\/04\/event_145005_original-228.png", "group_thumb":"https:\/\/events.umich.edu\/media\/cache\/group_thumb\/media\/attachments\/2026\/04\/event_145005_original-228.png", "group_thumb_square":"https:\/\/events.umich.edu\/media\/cache\/group_thumb_square\/media\/attachments\/2026\/04\/event_145005_original-228.png", "group_large":"https:\/\/events.umich.edu\/media\/cache\/group_large\/media\/attachments\/2026\/04\/event_145005_original-228.png", "group_large_lightbox":"https:\/\/events.umich.edu\/media\/cache\/group_large_lightbox\/media\/attachments\/2026\/04\/event_145005_original-228.png", "event_large_crop":"https:\/\/events.umich.edu\/media\/cache\/event_large_crop\/media\/attachments\/2026\/04\/event_145005_original-228.png", "event_list":"https:\/\/events.umich.edu\/media\/cache\/event_list\/media\/attachments\/2026\/04\/event_145005_original-228.png", "event_list_2x":"https:\/\/events.umich.edu\/media\/cache\/event_list_2x\/media\/attachments\/2026\/04\/event_145005_original-228.png", "event_grid":"https:\/\/events.umich.edu\/media\/cache\/event_grid\/media\/attachments\/2026\/04\/event_145005_original-228.png", "event_grid_2x":"https:\/\/events.umich.edu\/media\/cache\/event_grid_2x\/media\/attachments\/2026\/04\/event_145005_original-228.png", "event_feature_large":"https:\/\/events.umich.edu\/media\/cache\/event_feature_large\/media\/attachments\/2026\/04\/event_145005_original-228.png", "event_feature_thumb":"https:\/\/events.umich.edu\/media\/cache\/event_feature_thumb\/media\/attachments\/2026\/04\/event_145005_original-228.png" }, "occurrence_count":1, "first_occurrence":21896267 } , "147225-21900545": { "datetime_modified":"20260401T152046", "datetime_start":"20260401T160000", "datetime_end":"20260401T200000", "has_end_time":1, "date_start":"2026-04-01", "date_end":"2026-04-01", "time_start":"16:00:00", "time_end":"20:00:00", "time_zone":"America\/Detroit", "event_title":"Brushstrokes of Light - Suicide Prevention Art Event", "occurrence_title":"Brushstrokes of Light; 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Register with link at the right.", "occurrence_notes":null, "guid":"142813-21891699@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/142813", "building_id":"null", "building_name":"Off Campus Location", "campus_maps_id":"1", "room":"", "location_name":"Virtual", "has_livestream":0, "cost":"", "tags":["Transfer Students","Transfer Student Center"], "website":"https:\/\/events.blackthorn.io\/en\/Hn1RKit7\/g\/jTS9zH7yKM", "sponsors":[ { "group_name":"LSA Transfer Student Center", "group_id":"4442", "website":"" } ], "image_url":"https:\/\/events.umich.edu\/media\/attachments\/2025\/12\/event_142813_original-1.png", "styled_images":{ "event_thumb":"https:\/\/events.umich.edu\/media\/cache\/event_thumb\/media\/attachments\/2025\/12\/event_142813_original-1.png", "event_large":"https:\/\/events.umich.edu\/media\/cache\/event_large\/media\/attachments\/2025\/12\/event_142813_original-1.png", "event_large_2x":"https:\/\/events.umich.edu\/media\/cache\/event_large_2x\/media\/attachments\/2025\/12\/event_142813_original-1.png", "event_large_lightbox":"https:\/\/events.umich.edu\/media\/cache\/event_large_lightbox\/media\/attachments\/2025\/12\/event_142813_original-1.png", "group_thumb":"https:\/\/events.umich.edu\/media\/cache\/group_thumb\/media\/attachments\/2025\/12\/event_142813_original-1.png", "group_thumb_square":"https:\/\/events.umich.edu\/media\/cache\/group_thumb_square\/media\/attachments\/2025\/12\/event_142813_original-1.png", "group_large":"https:\/\/events.umich.edu\/media\/cache\/group_large\/media\/attachments\/2025\/12\/event_142813_original-1.png", "group_large_lightbox":"https:\/\/events.umich.edu\/media\/cache\/group_large_lightbox\/media\/attachments\/2025\/12\/event_142813_original-1.png", "event_large_crop":"https:\/\/events.umich.edu\/media\/cache\/event_large_crop\/media\/attachments\/2025\/12\/event_142813_original-1.png", "event_list":"https:\/\/events.umich.edu\/media\/cache\/event_list\/media\/attachments\/2025\/12\/event_142813_original-1.png", "event_list_2x":"https:\/\/events.umich.edu\/media\/cache\/event_list_2x\/media\/attachments\/2025\/12\/event_142813_original-1.png", "event_grid":"https:\/\/events.umich.edu\/media\/cache\/event_grid\/media\/attachments\/2025\/12\/event_142813_original-1.png", "event_grid_2x":"https:\/\/events.umich.edu\/media\/cache\/event_grid_2x\/media\/attachments\/2025\/12\/event_142813_original-1.png", "event_feature_large":"https:\/\/events.umich.edu\/media\/cache\/event_feature_large\/media\/attachments\/2025\/12\/event_142813_original-1.png", "event_feature_thumb":"https:\/\/events.umich.edu\/media\/cache\/event_feature_thumb\/media\/attachments\/2025\/12\/event_142813_original-1.png" }, "occurrence_count":13, "first_occurrence":21891696 } , "144728-21895778": { "datetime_modified":"20260328T185509", "datetime_start":"20260401T160000", "datetime_end":"20260401T172000", "has_end_time":1, "date_start":"2026-04-01", "date_end":"2026-04-01", "time_start":"16:00:00", "time_end":"17:20:00", "time_zone":"America\/Detroit", "event_title":"RTG Geometry Topology Dynamics Seminar Representations of quadratic forms via homogeneous dynamics I", "occurrence_title":"", "combined_title":"RTG Geometry Topology Dynamics Seminar Representations of quadratic forms via homogeneous dynamics I: Andreas Wieser (IAS)", "event_subtitle":"Andreas Wieser (IAS)", "event_type":"Workshop \/ Seminar", "event_type_id":"21", "description":"Let $q,Q$ be two integral quadratic forms in $m < n$ variables. 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We will also explain some ideas of Linnik\u2019s ergodic approach to such problems.\n\nNote a second talk in the Geometry Seminar on Thursday.", "occurrence_notes":null, "guid":"144728-21895778@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/144728", "building_id":"1000166", "building_name":"East Hall", "campus_maps_id":"53", "room":"3866", "location_name":"East Hall", "has_livestream":0, "cost":"", "tags":["Mathematics"], "website":"", "sponsors":[ { "group_name":"RTG Seminar on Geometry, Dynamics and Topology - Department of Mathematics", "group_id":"4900", "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":21895778 } }