{ "149641-21906838": { "datetime_modified":"20261030T174251", "datetime_start":"20261111T153000", "datetime_end":"20261111T170000", "has_end_time":1, "date_start":"2026-11-11", "date_end":"2026-11-11", "time_start":"15:30:00", "time_end":"17:00:00", "time_zone":"America\/Detroit", "event_title":"Algebraic Geometry Seminar: Valuatively independent bases for Calabi-Yau varieties", "occurrence_title":"", "combined_title":"Algebraic Geometry Seminar: Valuatively independent bases for Calabi-Yau varieties: Harold Blum (Georgia Institute of Technology)", "event_subtitle":"Harold Blum (Georgia Institute of Technology)", "event_type":"Workshop \/ Seminar", "event_type_id":"21", "description":"From the perspective of the Gross-Siebert program, the mirror symmetry of Calabi-Yau varieties is governed by certain canonical bases for the sections of the powers of an ample line bundle on a degeneration. It is expected that the pairing between these basis elements and valuations in the essential skeleton satisfies an independence condition, similar to the pairing between monomials and monomial valuations on a toric variety. In this talk, I will explain how tools from birational geometry and K-stability can be used to construct bases that fulfill this condition. This is joint work with Yuchen Liu.", "occurrence_notes":null, "guid":"149641-21906838@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/149641", "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":"" } ], "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":21906838 } , "152133-21913121": { "datetime_modified":"20260914T144353", "datetime_start":"20261118T153000", "datetime_end":"20261118T170000", "has_end_time":1, "date_start":"2026-11-18", "date_end":"2026-11-18", "time_start":"15:30:00", "time_end":"17:00:00", "time_zone":"America\/Detroit", "event_title":"Algebraic Geometry Seminar: Stable map resolutions of Richardson varieties", "occurrence_title":"", "combined_title":"Algebraic Geometry Seminar: Stable map resolutions of Richardson varieties: Allen Knutson (Cornell)", "event_subtitle":"Allen Knutson (Cornell)", "event_type":"Workshop \/ Seminar", "event_type_id":"21", "description":"Given a circle action S on a projective variety X, we introduce the \"stable map quotient\" using Kontsevich's space of stable maps of curves. In the case that X is a Richardson variety (the intersection of a Schubert with an opposite Schubert variety), generally very singular, the quotient is nonetheless smooth! I'll use this to give a log resolution of Richardson varieties, and describe the dual simplicial complex to the anticanonical sncd boundary.", "occurrence_notes":null, "guid":"152133-21913121@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/152133", "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":"" } ], "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":21913121 } , "153755-21916280": { "datetime_modified":"20261015T184504", "datetime_start":"20261202T153000", "datetime_end":"20261202T170000", "has_end_time":1, "date_start":"2026-12-02", "date_end":"2026-12-02", "time_start":"15:30:00", "time_end":"17:00:00", "time_zone":"America\/Detroit", "event_title":"Algebraic Geometry Seminar: TBA", "occurrence_title":"", "combined_title":"Algebraic Geometry Seminar: TBA: Jiahui Huang (U. Waterloo)", "event_subtitle":"Jiahui Huang (U. Waterloo)", "event_type":"Workshop \/ Seminar", "event_type_id":"21", "description":"TBA", "occurrence_notes":null, "guid":"153755-21916280@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/153755", "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":"" } ], "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":21916280 } , "149995-21907793": { "datetime_modified":"20260807T130040", "datetime_start":"20261209T153000", "datetime_end":"20261209T165000", "has_end_time":1, "date_start":"2026-12-09", "date_end":"2026-12-09", "time_start":"15:30:00", "time_end":"16:50:00", "time_zone":"America\/Detroit", "event_title":"Algebraic Geometry Seminar -- TBA", "occurrence_title":"", "combined_title":"Algebraic Geometry Seminar -- TBA: Dave Anderson, Ohio State University", "event_subtitle":"Dave Anderson, Ohio State University", "event_type":"Workshop \/ Seminar", "event_type_id":"21", "description":"TBA", "occurrence_notes":null, "guid":"149995-21907793@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/149995", "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":"" } ], "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":21907793 } , "149136-21905811": { "datetime_modified":"20260627T181224", "datetime_start":"20270113T153000", "datetime_end":"20270113T170000", "has_end_time":1, "date_start":"2027-01-13", "date_end":"2027-01-13", "time_start":"15:30:00", "time_end":"17:00:00", "time_zone":"America\/Detroit", "event_title":"Algebraic Geometry Seminar: TBA", "occurrence_title":"", "combined_title":"Algebraic Geometry Seminar: TBA: Gerg\u0151 Schefler (BCAM, Bilbao)", "event_subtitle":"Gerg\u0151 Schefler (BCAM, Bilbao)", "event_type":"Workshop \/ Seminar", "event_type_id":"21", "description":"TBA", "occurrence_notes":null, "guid":"149136-21905811@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/149136", "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":"" } ], "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":21905811 } , "149437-21906419": { "datetime_modified":"20260716T122023", "datetime_start":"20270120T153000", "datetime_end":"20270120T165000", "has_end_time":1, "date_start":"2027-01-20", "date_end":"2027-01-20", "time_start":"15:30:00", "time_end":"16:50:00", "time_zone":"America\/Detroit", "event_title":"Algebraic Geometery Seminar: TBA", "occurrence_title":"", "combined_title":"Algebraic Geometery Seminar: TBA: Melody Chan, Brown University", "event_subtitle":"Melody Chan, Brown University", "event_type":"Workshop \/ Seminar", "event_type_id":"21", "description":"TBA", "occurrence_notes":null, "guid":"149437-21906419@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/149437", "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":"" } ], "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":21906419 } , "153532-21915968": { "datetime_modified":"20261020T091623", "datetime_start":"20270303T153000", "datetime_end":"20270303T170000", "has_end_time":1, "date_start":"2027-03-03", "date_end":"2027-03-03", "time_start":"15:30:00", "time_end":"17:00:00", "time_zone":"America\/Detroit", "event_title":"Algebraic Geometry Seminar: TBA", "occurrence_title":"", "combined_title":"Algebraic Geometry Seminar: TBA: Roi Docampo (University of Oklahoma)", "event_subtitle":"Roi Docampo (University of Oklahoma)", "event_type":"Workshop \/ Seminar", "event_type_id":"21", "description":"TBA", "occurrence_notes":null, "guid":"153532-21915968@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/153532", "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":"" } ], "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":21915968 } , "152721-21914428": { "datetime_modified":"20260923T112532", "datetime_start":"20270317T153000", "datetime_end":"20270317T170000", "has_end_time":1, "date_start":"2027-03-17", "date_end":"2027-03-17", "time_start":"15:30:00", "time_end":"17:00:00", "time_zone":"America\/Detroit", "event_title":"Michigan Lectures in Algebraic Geometry", "occurrence_title":"", "combined_title":"Michigan Lectures in Algebraic Geometry: Benjamin Bakker (University of Chicago)", "event_subtitle":"Benjamin Bakker (University of Chicago)", "event_type":"Workshop \/ Seminar", "event_type_id":"21", "description":"TBA", "occurrence_notes":null, "guid":"152721-21914428@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/152721", "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":"" } ], "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":21914428 } , "149661-21906908": { "datetime_modified":"20260729T143054", "datetime_start":"20270331T153000", "datetime_end":"20270331T165000", "has_end_time":1, "date_start":"2027-03-31", "date_end":"2027-03-31", "time_start":"15:30:00", "time_end":"16:50:00", "time_zone":"America\/Detroit", "event_title":"Algebraic Geometry Seminar -- TBA", "occurrence_title":"", "combined_title":"Algebraic Geometry Seminar -- TBA: Dhruv Ranganathan, Cambridge University", "event_subtitle":"Dhruv Ranganathan, Cambridge University", "event_type":"Workshop \/ Seminar", "event_type_id":"21", "description":"TBA", "occurrence_notes":null, "guid":"149661-21906908@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/149661", "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":"" } ], "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":21906908 } }