{ "136347-21901517": { "datetime_modified":"20260413T104336", "datetime_start":"20260508T140000", "datetime_end":"20260508T144500", "has_end_time":1, "date_start":"2026-05-08", "date_end":"2026-05-08", "time_start":"14:00:00", "time_end":"14:45:00", "time_zone":"America\/Detroit", "event_title":"T.REX", "occurrence_title":"", "combined_title":"T.REX", "event_subtitle":"", "event_type":"Film Screening", "event_type_id":"11", "description":"With stunning CGI visuals and the latest research from leading paleontologists, the film offers audiences a fresh perspective on the GOAT (Greatest Of All Tyrants): Tyrannosaurus rex. Anchored by the true story of the young fossil hunters who made the discovery of a lifetime when they spotted a large fossilized leg bone on a walk on public lands in North Dakota, T. REX intercuts the remarkable fossil dig, with cutting edge computer graphics that bring the iconic T. rex to life\u2014from hatchling to hulking adult. Narrated by Jurassic Park actor Sam Neill, T. REX explores the newest science that has helped reinvent our understanding of the iconic predator.", "occurrence_notes":null, "guid":"136347-21901517@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/136347", "building_id":"1005169", "building_name":"Museum of Natural History", "campus_maps_id":"646", "room":"", "location_name":"Museum of Natural History", "has_livestream":0, "cost":"Tickets are $8 and are available in the museum store on the day of the show.", "tags":["Planetarium","natural history museum","Museum"], "website":"", "sponsors":[ { "group_name":"Planetarium & Dome Theater at the Museum of Natural History", "group_id":"3825", "website":"" } ], "image_url":"https:\/\/events.umich.edu\/media\/attachments\/2025\/07\/event_136347_original-1.jpg", "styled_images":{ "event_thumb":"https:\/\/events.umich.edu\/media\/cache\/event_thumb\/media\/attachments\/2025\/07\/crop-event_136347_original-1.jpg", "event_large":"https:\/\/events.umich.edu\/media\/cache\/event_large\/media\/attachments\/2025\/07\/crop-event_136347_original-1.jpg", "event_large_2x":"https:\/\/events.umich.edu\/media\/cache\/event_large_2x\/media\/attachments\/2025\/07\/crop-event_136347_original-1.jpg", "event_large_lightbox":"https:\/\/events.umich.edu\/media\/cache\/event_large_lightbox\/media\/attachments\/2025\/07\/crop-event_136347_original-1.jpg", "group_thumb":"https:\/\/events.umich.edu\/media\/cache\/group_thumb\/media\/attachments\/2025\/07\/crop-event_136347_original-1.jpg", "group_thumb_square":"https:\/\/events.umich.edu\/media\/cache\/group_thumb_square\/media\/attachments\/2025\/07\/crop-event_136347_original-1.jpg", "group_large":"https:\/\/events.umich.edu\/media\/cache\/group_large\/media\/attachments\/2025\/07\/crop-event_136347_original-1.jpg", "group_large_lightbox":"https:\/\/events.umich.edu\/media\/cache\/group_large_lightbox\/media\/attachments\/2025\/07\/crop-event_136347_original-1.jpg", "event_large_crop":"https:\/\/events.umich.edu\/media\/cache\/event_large_crop\/media\/attachments\/2025\/07\/crop-event_136347_original-1.jpg", "event_list":"https:\/\/events.umich.edu\/media\/cache\/event_list\/media\/attachments\/2025\/07\/crop-event_136347_original-1.jpg", "event_list_2x":"https:\/\/events.umich.edu\/media\/cache\/event_list_2x\/media\/attachments\/2025\/07\/crop-event_136347_original-1.jpg", "event_grid":"https:\/\/events.umich.edu\/media\/cache\/event_grid\/media\/attachments\/2025\/07\/crop-event_136347_original-1.jpg", "event_grid_2x":"https:\/\/events.umich.edu\/media\/cache\/event_grid_2x\/media\/attachments\/2025\/07\/crop-event_136347_original-1.jpg", "event_feature_large":"https:\/\/events.umich.edu\/media\/cache\/event_feature_large\/media\/attachments\/2025\/07\/crop-event_136347_original-1.jpg", "event_feature_thumb":"https:\/\/events.umich.edu\/media\/cache\/event_feature_thumb\/media\/attachments\/2025\/07\/crop-event_136347_original-1.jpg" }, "occurrence_count":153, "first_occurrence":21878526 } , "145710-21897721": { "datetime_modified":"20260417T111735", "datetime_start":"20260508T143000", "datetime_end":"20260508T153000", "has_end_time":1, "date_start":"2026-05-08", "date_end":"2026-05-08", "time_start":"14:30:00", "time_end":"15:30:00", "time_zone":"America\/Detroit", "event_title":"Growth of the length function for finite-dimensional algebras (Combinatorics Seminar)", "occurrence_title":"", "combined_title":"Growth of the length function for finite-dimensional algebras (Combinatorics Seminar): Alexander Guterman (Bar-Ilan University)", "event_subtitle":"Alexander Guterman (Bar-Ilan University)", "event_type":"Workshop \/ Seminar", "event_type_id":"21", "description":"Let *A* be a finite-dimensional algebra over a field, and *S* be its generating set. The smallest positive integer *k* such that all products of the elements from *S* of degree not exceeding *k* span *A* is called the *length of S*. The maximal length of *S* among all sets *S* that generate *A* is called the *length of A*. The length function is an important invariant widely used to study finite-dimensional algebras since 1959. Due to its numerous applications, it was thoroughly investigated as a purely algebraic problem. It is straightforward to check that the length of an associative finite-dimensional algebra is less than its dimension *d*, and can be equal to *d-1* only for commutative algebras. \n\nWe show that the length of a *d*-dimensional non-associative algebra is bounded by *2^{d-2}*, and this bound is sharp. The investigations of the length function in the non-associative case is closely related with the combinatorial properties of addition chains, i.e., the sequences of natural numbers in which each term is a sum of two previous terms. These sequences are known since ancient times and are useful in the number of applications. In particular, Fibonacci sequence is a classical example of an addition chain without doublings. We prove that the length of a quadratic algebra of dimension *n* is bounded by the Fibonacci number *F_{n-1}*, and this bound is sharp. \n\nThe precise length evaluation is a difficult problem even in the associative case. For example, the length of the full matrix algebra is unknown. It was conjectured by Paz in 1984 to be a linear function of the matrix size; this conjecture is still open. We investigate different algebraic properties of the length function for associative and non-associative algebras and estimate length for different classes of non-associative algebras. \n\nThe talk is based on a series of joint works with Dmitry Kudryavtsev, Olga Markova and Svetlana Zhilina.", "occurrence_notes":null, "guid":"145710-21897721@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/145710", "building_id":"1000166", "building_name":"East Hall", "campus_maps_id":"53", "room":"3866 East Hall", "location_name":"East Hall", "has_livestream":0, "cost":"", "tags":["Mathematics"], "website":"", "sponsors":[ { "group_name":"Combinatorics Seminar - Department of Mathematics", "group_id":"4885", "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":21897721 } , "102102-21902350": { "datetime_modified":"20260428T152021", "datetime_start":"20260508T150000", "datetime_end":"20260508T170000", "has_end_time":1, "date_start":"2026-05-08", "date_end":"2026-05-08", "time_start":"15:00:00", "time_end":"17:00:00", "time_zone":"America\/Detroit", "event_title":"Maize & Blue Cupboard Volunteering", "occurrence_title":"MBC Operating Hours", "combined_title":"Maize & Blue Cupboard Volunteering: Multiple conference events and sessions: MBC Operating Hours", "event_subtitle":"Multiple conference events and sessions", "event_type":"Conference \/ Symposium", "event_type_id":"5", "description":"Come help us during normal operating hours; as well as, unload our weekly Food Gatherers deliveries and stock our shelves!\u00a0If you are outside the U-M community, please reach out to maize.blue.cupboard@umich.edu to sign up.", "occurrence_notes":null, "guid":"102102-21902350@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/102102", "building_id":"", "building_name":"", "campus_maps_id":"", "room":"", "location_name":"Maize and Blue Cupboard inside Betsy Barbour", "has_livestream":0, "cost":"", "tags":["Sessions"], "website":"https:\/\/sessions.studentlife.umich.edu\/p\/track\/3152", "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":29, "first_occurrence":21900318 } , "141325-21901505": { "datetime_modified":"20260413T104859", "datetime_start":"20260508T150000", "datetime_end":"20260508T154500", "has_end_time":1, "date_start":"2026-05-08", "date_end":"2026-05-08", "time_start":"15:00:00", "time_end":"15:45:00", "time_zone":"America\/Detroit", "event_title":"Sky Tonight", "occurrence_title":"", "combined_title":"Sky Tonight", "event_subtitle":"", "event_type":"Exhibition", "event_type_id":"7", "description":"A live presentation on what to find in the sky tonight and for the coming few weeks. This presentation includes how to find the cardinal directions with the North Star, current and upcoming constellations, visible planets, a few deep sky objects depending on the season, and other interesting astronomical visualizations. If you want to be able to look up from your own backyard and know what to look for, this is the show for you.", "occurrence_notes":null, "guid":"141325-21901505@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/141325", "building_id":"1005169", "building_name":"Museum of Natural History", "campus_maps_id":"646", "room":"", "location_name":"Museum of Natural History", "has_livestream":0, "cost":"Tickets are $8 and are available in the museum store on the day of the show.", "tags":["Astronomy","Museum","Children","Family","museums","natural history museum","Natural Sciences","Planetarium","Prospective Undergraduate Students","Science","Space","Undergraduate"], "website":"https:\/\/lsa.umich.edu\/ummnh\/visitors\/planetarium-dome-theater.html#view=week", "sponsors":[ { "group_name":"Planetarium & Dome Theater at the Museum of Natural History", "group_id":"3825", "website":"" } ], "image_url":"https:\/\/events.umich.edu\/media\/attachments\/2025\/10\/event_141325_original-1.jpg", "styled_images":{ "event_thumb":"https:\/\/events.umich.edu\/media\/cache\/event_thumb\/media\/attachments\/2025\/10\/event_141325_original-1.jpg", "event_large":"https:\/\/events.umich.edu\/media\/cache\/event_large\/media\/attachments\/2025\/10\/event_141325_original-1.jpg", "event_large_2x":"https:\/\/events.umich.edu\/media\/cache\/event_large_2x\/media\/attachments\/2025\/10\/event_141325_original-1.jpg", "event_large_lightbox":"https:\/\/events.umich.edu\/media\/cache\/event_large_lightbox\/media\/attachments\/2025\/10\/event_141325_original-1.jpg", "group_thumb":"https:\/\/events.umich.edu\/media\/cache\/group_thumb\/media\/attachments\/2025\/10\/event_141325_original-1.jpg", "group_thumb_square":"https:\/\/events.umich.edu\/media\/cache\/group_thumb_square\/media\/attachments\/2025\/10\/event_141325_original-1.jpg", "group_large":"https:\/\/events.umich.edu\/media\/cache\/group_large\/media\/attachments\/2025\/10\/event_141325_original-1.jpg", "group_large_lightbox":"https:\/\/events.umich.edu\/media\/cache\/group_large_lightbox\/media\/attachments\/2025\/10\/event_141325_original-1.jpg", "event_large_crop":"https:\/\/events.umich.edu\/media\/cache\/event_large_crop\/media\/attachments\/2025\/10\/event_141325_original-1.jpg", "event_list":"https:\/\/events.umich.edu\/media\/cache\/event_list\/media\/attachments\/2025\/10\/event_141325_original-1.jpg", "event_list_2x":"https:\/\/events.umich.edu\/media\/cache\/event_list_2x\/media\/attachments\/2025\/10\/event_141325_original-1.jpg", "event_grid":"https:\/\/events.umich.edu\/media\/cache\/event_grid\/media\/attachments\/2025\/10\/event_141325_original-1.jpg", "event_grid_2x":"https:\/\/events.umich.edu\/media\/cache\/event_grid_2x\/media\/attachments\/2025\/10\/event_141325_original-1.jpg", "event_feature_large":"https:\/\/events.umich.edu\/media\/cache\/event_feature_large\/media\/attachments\/2025\/10\/event_141325_original-1.jpg", "event_feature_thumb":"https:\/\/events.umich.edu\/media\/cache\/event_feature_thumb\/media\/attachments\/2025\/10\/event_141325_original-1.jpg" }, "occurrence_count":160, "first_occurrence":21888620 } , "135675-21902639": { "datetime_modified":"20260428T152025", "datetime_start":"20260508T160000", "datetime_end":"20260508T170000", "has_end_time":1, "date_start":"2026-05-08", "date_end":"2026-05-08", "time_start":"16:00:00", "time_end":"17:00:00", "time_zone":"America\/Detroit", "event_title":"NORTHWOOD 2025-2026", "occurrence_title":"Northwood IV Ice Cream Party", "combined_title":"NORTHWOOD 2025-2026: Multiple conference events and sessions: Northwood IV Ice Cream Party", "event_subtitle":"Multiple conference events and sessions", "event_type":"Conference \/ Symposium", "event_type_id":"5", "description":"", "occurrence_notes":null, "guid":"135675-21902639@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/135675", "building_id":"", "building_name":"", "campus_maps_id":"", "room":"", "location_name":"1200 Block Courtyard (NW IV)", "has_livestream":0, "cost":"", "tags":["Sessions"], "website":"https:\/\/sessions.studentlife.umich.edu\/p\/track\/14382", "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":10, "first_occurrence":21902638 } , "147912-21902389": { "datetime_modified":"20260421T181536", "datetime_start":"20260508T180000", "datetime_end":"20260508T190000", "has_end_time":1, "date_start":"2026-05-08", "date_end":"2026-05-08", "time_start":"18:00:00", "time_end":"19:00:00", "time_zone":"America\/Detroit", "event_title":"Author Event: Gustavo Souza Marques - 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