{ "142813-21916407": { "datetime_modified":"20261019T123757", "datetime_start":"20261028T160000", "datetime_end":"20261028T171500", "has_end_time":1, "date_start":"2026-10-28", "date_end":"2026-10-28", "time_start":"16:00:00", "time_end":"17:15:00", "time_zone":"America\/Detroit", "event_title":"Online Information Session for Admitted Transfer Students", "occurrence_title":"", "combined_title":"Online Information Session for Admitted Transfer Students: For students who are admitted for Winter 2027", "event_subtitle":"For students who are admitted for Winter 2027", "event_type":"Workshop \/ Seminar", "event_type_id":"21", "description":"Join the Transfer Student Center staff to learn more about:\n\n\t\u2022\tHow to understand your transfer credit and how transfer credit will count towards degree requirements.\n\t\u2022\tOrientation and registration: Registering for your first semester of classes.\n\t\u2022\tConnecting with the department you plan to major in.\n\t\u2022\tUnderstanding your housing options\n\t\u2022\tAny other questions you may have.\n\nRegistration is required. Register with link at the right.", "occurrence_notes":null, "guid":"142813-21916407@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":10, "first_occurrence":21899778 } , "148617-21904532": { "datetime_modified":"20260903T140455", "datetime_start":"20261028T160000", "datetime_end":"20261028T170000", "has_end_time":1, "date_start":"2026-10-28", "date_end":"2026-10-28", "time_start":"16:00:00", "time_end":"17:00:00", "time_zone":"America\/Detroit", "event_title":"Policy Gradient Flow for Stochastic Control", "occurrence_title":"", "combined_title":"Policy Gradient Flow for Stochastic Control: Zhenjie Ren, University of Evry", "event_subtitle":"Zhenjie Ren, University of Evry", "event_type":"Workshop \/ Seminar", "event_type_id":"21", "description":"Reinforcement learning has achieved remarkable success in landmark applications such as AlphaGo and AlphaFold, and is increasingly expected to play a central role in emerging domains such as autonomous driving. A substantial body of work has established theoretical foundations for classical reinforcement learning algorithms, including temporal-difference learning, policy iteration, and Q-learning. By contrast, policy gradient descent, despite its widespread use, remains less well understood from a theoretical perspective, largely because of its non-convex structure and the complexity of the underlying functional space. Existing convergence analyses typically require uniform regularity assumptions on the policy, viewed as a feedback control function, along the gradient flow; moreover, the resulting convergence rates depend on these regularity bounds. In this work, we significantly strengthen the existing convergence theory. Our key insight is to relate policy gradient descent to a mirror flow on the space of probability measures over controlled trajectories, where the Bregman divergence is induced by the convex control cost. We rigorously prove a JKO-type convergence result showing that the discrete-time mirror flow converges to its continuous-time counterpart, and we identify the limiting dynamics as a preconditioned policy gradient descent flow on the space of control processes. Leveraging this mirror-flow perspective, we establish an exponential convergence rate that is independent of policy regularity. The convergence holds both in Bregman divergence and in the value of the associated control problem.", "occurrence_notes":null, "guid":"148617-21904532@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/148617", "building_id":"1000166", "building_name":"East Hall", "campus_maps_id":"53", "room":"1360", "location_name":"East Hall", "has_livestream":0, "cost":"", "tags":["Mathematics"], "website":"", "sponsors":[ { "group_name":"Financial\/Actuarial Mathematics Seminar - Department of Mathematics", "group_id":"4890", "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":21904532 } , "153682-21916176": { "datetime_modified":"20261017T184842", "datetime_start":"20261028T160000", "datetime_end":"20261028T170000", "has_end_time":1, "date_start":"2026-10-28", "date_end":"2026-10-28", "time_start":"16:00:00", "time_end":"17:00:00", "time_zone":"America\/Detroit", "event_title":"Probability and Analysis Seminar: Conformal removability and bubble connectivity of non-simple SLE", "occurrence_title":"", "combined_title":"Probability and Analysis Seminar: Conformal removability and bubble connectivity of non-simple SLE: Haoyu Liu (PKU\/MIT)", "event_subtitle":"Haoyu Liu (PKU\/MIT)", "event_type":"Workshop \/ Seminar", "event_type_id":"21", "description":"Schramm-Loewner evolution (SLE_\\kappa) is a one-parameter family of random fractal curves arising as scaling limits of interfaces in two-dimensional statistical mechanics models. For \\kappa \\in (4, 8), the SLE_\\kappa curve is self-intersecting but not space-filling, forming complementary connected components known as bubbles. In this talk, I will discuss the relationship between the conformal removability of SLE traces and connectivity of the bubble adjacency graph, as well as a sharp phase transition as \\kappa varies. Joint work with Zijie Zhuang (UNIGE).", "occurrence_notes":null, "guid":"153682-21916176@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/153682", "building_id":"1000166", "building_name":"East Hall", "campus_maps_id":"53", "room":"4088", "location_name":"East Hall", "has_livestream":0, "cost":"", "tags":["Mathematics"], "website":"https:\/\/sites.google.com\/view\/probsemumich\/future-talks", "sponsors":[ { "group_name":"Probability and Analysis Seminar - Department of Mathematics", "group_id":"5203", "website":"https:\/\/sites.google.com\/view\/probsemumich\/future-talks" }, { "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":21916176 } , "150138-21908180": { "datetime_modified":"20260811T150437", "datetime_start":"20261028T160000", "datetime_end":"20261028T172000", "has_end_time":1, "date_start":"2026-10-28", "date_end":"2026-10-28", "time_start":"16:00:00", "time_end":"17:20:00", "time_zone":"America\/Detroit", "event_title":"RTG SEMINAR: Geometry, Topology, Dynamics TBA", "occurrence_title":"", "combined_title":"RTG SEMINAR: Geometry, Topology, Dynamics TBA: Srivastav Kunnawalkam Ellayavalli (Berkeley)", "event_subtitle":"Srivastav Kunnawalkam Ellayavalli (Berkeley)", "event_type":"Workshop \/ Seminar", "event_type_id":"21", "description":"TBA", "occurrence_notes":null, "guid":"150138-21908180@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/150138", "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":21908180 } , "153848-21916558": { "datetime_modified":"20261020T085407", "datetime_start":"20261028T160000", "datetime_end":"20261028T170000", "has_end_time":1, "date_start":"2026-10-28", "date_end":"2026-10-28", "time_start":"16:00:00", "time_end":"17:00:00", "time_zone":"America\/Detroit", "event_title":"Student Success Workshop: Dealing with Difficult Research Topics", "occurrence_title":"", "combined_title":"Student Success Workshop: Dealing with Difficult Research Topics", "event_subtitle":"", "event_type":"Workshop \/ Seminar", "event_type_id":"21", "description":"Research can invite us to engage with complex, sensitive, and emotionally demanding topics\u2014including sexual violence, discrimination, trauma, and the experiences of vulnerable or historically marginalized communities. While this work can be meaningful, it can also affect researchers in ways they may not anticipate. In this interactive, student-centered workshop, you\u2019ll explore how to approach difficult research topics with care\u2014for yourself, your research partners, and the communities connected to your work. Through reflection, discussion, and realistic scenarios, you\u2019ll learn practical strategies for recognizing emotional strain, establishing healthy boundaries, communicating sensitively, and seeking support when needed. The workshop will also introduce principles for engaging ethically and respectfully with people\u2019s lived experiences while avoiding assumptions, harm, or extractive research practices. Whether you are already working with a difficult topic or simply want to be better prepared, this session will offer a supportive space to ask questions, build skills, and identify resources. 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We look forward to a thoughtful and stimulating discussion!\n\n", "occurrence_notes":null, "guid":"153495-21915926@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/153495", "building_id":"", "building_name":"", "campus_maps_id":"", "room":"", "location_name":"FTVM Conference Room: North Quad 6450", "has_livestream":0, "cost":"", "tags":["Sessions"], "website":"https:\/\/sessions.studentlife.umich.edu\/p\/track\/18252", "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":21915926 } , "149583-21906727": { "datetime_modified":"20261006T174836", "datetime_start":"20261028T163000", "datetime_end":"20261028T173000", "has_end_time":1, "date_start":"2026-10-28", "date_end":"2026-10-28", "time_start":"16:30:00", "time_end":"17:30:00", "time_zone":"America\/Detroit", "event_title":"Pre-Law 101 Information Session", "occurrence_title":"", "combined_title":"Pre-Law 101 Information Session", "event_subtitle":"", "event_type":"Workshop \/ Seminar", "event_type_id":"21", "description":"The Pre-Law 101 Info Session is an exploratory program that focuses on developing strategies to explore the legal field and provides an overview of the law school admission process. 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