{ "140991-21887929": { "datetime_modified":"20251021T231349", "datetime_start":"20251022T160000", "datetime_end":"20251022T173000", "has_end_time":1, "date_start":"2025-10-22", "date_end":"2025-10-22", "time_start":"16:00:00", "time_end":"17:30:00", "time_zone":"America\/Detroit", "event_title":"Nature Play Pop-Ups", "occurrence_title":"", "combined_title":"Nature Play Pop-Ups", "event_subtitle":"", "event_type":"Other", "event_type_id":"22", "description":"Lightly guided nature play\r\n\r\nMatthaei Botanical Gardens is hosting free, hands-on Nature Play Pop-ups at the Gaffield Children\u2019s Garden. This lightly guided play takes place in the nature art area of the Gaffield Children\u2019s Garden. Young children will have hands-on fun while taking a closer look at nature, and parents will leave with easy ideas to encourage creative nature play at home. No registration, free event. First to arrive, first to play. Kids can join in as spaces open during the pop-ups. Suggested ages 3-7. Please note, all materials stay at Gaffield Children\u2019s Garden unless otherwise specified.", "occurrence_notes":null, "guid":"140991-21887929@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/140991", "building_id":"0", "building_name":"Matthaei Botanical Gardens", "campus_maps_id":"554", "room":"", "location_name":"Matthaei Botanical Gardens", "has_livestream":0, "cost":"", "tags":["wildlife","matthaei botanical gardens kids children nature","matthaei botanical gardens","matthaei","Environment","children"], "website":"https:\/\/mbgna.umich.edu\/nature-play-pop-ups", "sponsors":[ { "group_name":"Matthaei Botanical Gardens & Nichols Arboretum", "group_id":"1072", "website":"" } ], "image_url":"https:\/\/events.umich.edu\/media\/attachments\/2025\/10\/event_140991_original-1.jpg", "styled_images":{ "event_thumb":"https:\/\/events.umich.edu\/media\/cache\/event_thumb\/media\/attachments\/2025\/10\/event_140991_original-1.jpg", "event_large":"https:\/\/events.umich.edu\/media\/cache\/event_large\/media\/attachments\/2025\/10\/event_140991_original-1.jpg", "event_large_2x":"https:\/\/events.umich.edu\/media\/cache\/event_large_2x\/media\/attachments\/2025\/10\/event_140991_original-1.jpg", "event_large_lightbox":"https:\/\/events.umich.edu\/media\/cache\/event_large_lightbox\/media\/attachments\/2025\/10\/event_140991_original-1.jpg", "group_thumb":"https:\/\/events.umich.edu\/media\/cache\/group_thumb\/media\/attachments\/2025\/10\/event_140991_original-1.jpg", "group_thumb_square":"https:\/\/events.umich.edu\/media\/cache\/group_thumb_square\/media\/attachments\/2025\/10\/event_140991_original-1.jpg", "group_large":"https:\/\/events.umich.edu\/media\/cache\/group_large\/media\/attachments\/2025\/10\/event_140991_original-1.jpg", "group_large_lightbox":"https:\/\/events.umich.edu\/media\/cache\/group_large_lightbox\/media\/attachments\/2025\/10\/event_140991_original-1.jpg", "event_large_crop":"https:\/\/events.umich.edu\/media\/cache\/event_large_crop\/media\/attachments\/2025\/10\/event_140991_original-1.jpg", "event_list":"https:\/\/events.umich.edu\/media\/cache\/event_list\/media\/attachments\/2025\/10\/event_140991_original-1.jpg", "event_list_2x":"https:\/\/events.umich.edu\/media\/cache\/event_list_2x\/media\/attachments\/2025\/10\/event_140991_original-1.jpg", "event_grid":"https:\/\/events.umich.edu\/media\/cache\/event_grid\/media\/attachments\/2025\/10\/event_140991_original-1.jpg", "event_grid_2x":"https:\/\/events.umich.edu\/media\/cache\/event_grid_2x\/media\/attachments\/2025\/10\/event_140991_original-1.jpg", "event_feature_large":"https:\/\/events.umich.edu\/media\/cache\/event_feature_large\/media\/attachments\/2025\/10\/event_140991_original-1.jpg", "event_feature_thumb":"https:\/\/events.umich.edu\/media\/cache\/event_feature_thumb\/media\/attachments\/2025\/10\/event_140991_original-1.jpg" }, "occurrence_count":6, "first_occurrence":21887929 } , "140775-21887615": { "datetime_modified":"20251016T121747", "datetime_start":"20251022T160000", "datetime_end":"20251022T170000", "has_end_time":1, "date_start":"2025-10-22", "date_end":"2025-10-22", "time_start":"16:00:00", "time_end":"17:00:00", "time_zone":"America\/Detroit", "event_title":"Probability and Analysis Seminar: Singular perturbations of Hamilton\u2013Jacobi equations in the Wasserstein space", "occurrence_title":"", "combined_title":"Probability and Analysis Seminar: Singular perturbations of Hamilton\u2013Jacobi equations in the Wasserstein space: Antonios Zitridis (U-M)", "event_subtitle":"Antonios Zitridis (U-M)", "event_type":"Workshop \/ Seminar", "event_type_id":"21", "description":"In this talk, I will present a singular perturbation problem for second-order Hamilton\u2013Jacobi equations, focusing on the asymptotic behavior of solutions as the perturbation parameter vanishes. The analysis is carried out in the framework of viscosity solutions for equations in the Wasserstein space, using the perturbed test function method adapted to this infinite-dimensional setting. I will also discuss connections with the homogenization of systems of slow\u2013fast McKean\u2013Vlasov stochastic differential equations.", "occurrence_notes":null, "guid":"140775-21887615@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/140775", "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":21887615 } , "138845-21884063": { "datetime_modified":"20250904T222331", "datetime_start":"20251022T160000", "datetime_end":"20251022T170000", "has_end_time":1, "date_start":"2025-10-22", "date_end":"2025-10-22", "time_start":"16:00:00", "time_end":"17:00:00", "time_zone":"America\/Detroit", "event_title":"Solving dynamic portfolio selection problems via score-based diffusion models", "occurrence_title":"", "combined_title":"Solving dynamic portfolio selection problems via score-based diffusion models: Ahmad Aghapour\/ UM", "event_subtitle":"Ahmad Aghapour\/ UM", "event_type":"Workshop \/ Seminar", "event_type_id":"21", "description":"In this paper, we tackle the dynamic mean-variance portfolio selection problem in a modelfree manner, based on (generative) diffusion models. We propose using data sampled from the real model P (which is unknown) with limited size to train a generative model Q (from which we can easily and adequately sample). With adaptive training and sampling methods that are tailor-made for time series data, we obtain quantification bounds between P and Q in terms of the adapted Wasserstein metric AW 2. Importantly, the proposed adapted sampling method also facilitates conditional sampling. In the second part of this paper, we provide the stability of the mean-variance portfolio optimization problems in AW 2. Then, combined with the error bounds and the stability result, we propose a policy gradient algorithm based on the generative environment, in which our innovative adapted sampling method provides approximate scenario generators. We illustrate the performance of our algorithm on both simulated and real data. For real data, the algorithm based on the generative environment produces portfolios that beat several important baselines, including the Markowitz portfolio, the equal weight (naive) portfolio, and S&P 500.\r\nJoint work with Erhan Bayraktar and Fengyi Yuan.", "occurrence_notes":null, "guid":"138845-21884063@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/138845", "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":21884063 } , "140873-21887756": { "datetime_modified":"20251019T002625", "datetime_start":"20251022T160000", "datetime_end":"20251022T170000", "has_end_time":1, "date_start":"2025-10-22", "date_end":"2025-10-22", "time_start":"16:00:00", "time_end":"17:00:00", "time_zone":"America\/Detroit", "event_title":"Student AIM Seminar: An introduction to FMM and its family tree", "occurrence_title":"", "combined_title":"Student AIM Seminar: An introduction to FMM and its family tree: Choco Li", "event_subtitle":"Choco Li", "event_type":"Workshop \/ Seminar", "event_type_id":"21", "description":"The Fast Multipole Method (FMM) was dubbed one of the \"Top 10 algorithms\" of the 20th century by SIAM editors, along with other household names such as the Monte Carlo method, Quicksort, and Krylov subspace iterative methods. The FMM addresses the high computation cost for pairwise interactions in specific N-body problems in many areas of physics, for example electrostatic potentials of charged particles or gravitational forces among stars and galaxies. The problem, which naively computes O(N^2) pairs of interactions, can be reduced to O(N) using the multipole expansion as an approximation for far interactions. The method comes with clear error bounds for the approximation and allows for many subsequent extensions. In this talk, I will walk through the main theorems in Greengard and Rocklin's original paper in 1987[1], explain the algorithm, and give a survey of several generalizations of this algorithm that allows it to be applied to a wide range of problems.\r\n\r\n[1] L. Greengard and V. Rokhlin, A fast algorithm for particle simulations, Journal of Computational Physics, 73, 325, (1987)", "occurrence_notes":null, "guid":"140873-21887756@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/140873", "building_id":"1000166", "building_name":"East Hall", "campus_maps_id":"53", "room":"3088", "location_name":"East Hall", "has_livestream":0, "cost":"", "tags":["Applied Mathematics"], "website":"https:\/\/sites.google.com\/umich.edu\/umich-siamstudentchapter\/home", "sponsors":[ { "group_name":"Student AIM Seminar - Department of Mathematics", "group_id":"4902", "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":21887756 } , "140494-21887228": { "datetime_modified":"20251119T110816", "datetime_start":"20251022T163000", "datetime_end":"20251022T173000", "has_end_time":1, "date_start":"2025-10-22", "date_end":"2025-10-22", "time_start":"16:30:00", "time_end":"17:30:00", "time_zone":"America\/Detroit", "event_title":"Masters in the Midwest: Opportunities for Graduate Programs in Russian, East European and Eurasian Studies at Midwestern Universities", "occurrence_title":"", "combined_title":"Masters in the Midwest: Opportunities for Graduate Programs in Russian, East European and Eurasian Studies at Midwestern Universities", "event_subtitle":"", "event_type":"Meeting", "event_type_id":"14", "description":"Join representatives of interdisciplinary graduate programs in REEES at Midwestern Universities to find which program is best for you. Each institution will give a brief introduction of their programs and specialties, and attendees will be able to join breakout rooms and ask questions about the programs most of interest. Students planning to apply this cycle are urged to attend, but those considering applying in future years are also welcome.\r\n\r\nWednesday, October 22 4:30-5:30 PM Eastern (3:30-4:30 PM Central)--Register at https:\/\/osu.zoom.us\/meeting\/register\/8EaReyceQB6pE2H2XtJATw\r\n\r\nThursday, November 13 11:00 AM-12:00 PM Eastern (10:00 AM-11:00 AM Central)--Register at https:\/\/osu.zoom.us\/meeting\/register\/LN0TjUSORmWAKi4oBuxvEw\r\n\r\nTuesday, December 2 11:00 AM-12:00 PM Eastern (10:00 AM-11:00 AM Central)--Register at https:\/\/osu.zoom.us\/meeting\/register\/UOgmeprZRBCEPHcQ5QM8Cw\r\n\r\nIn attendance:\r\nThe Ohio State University: Master of Arts in Slavic, East European and Eurasian Studies; Dual Degrees with Bioethics and Public Affairs\r\n\r\nUniversity of Illinois Urbana-Champaign: MA in Russian, East European, and Eurasian Studies; Joint degree: MA in Russian, East European, and Eurasian Studies and MS in Library and Information Science\r\n\r\nUniversity of Kansas: Master of Arts in Slavic and Eurasian Studies\r\nMA concentrations: 1. Slavic languages and literatures 2. Russian, East European, and Eurasian Studies \r\n\r\nUniversity of Michigan: Masters in International and Regional Studies\r\nSpecialization in Russian, East European, & Eurasian Studies\r\n\r\nUniversity of Wisconsin-Madison: MA Degree Program in Russian, East European, and Central Asian Studies", "occurrence_notes":null, "guid":"140494-21887228@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/140494", "building_id":"null", "building_name":"Off Campus Location", "campus_maps_id":"1", "room":"", "location_name":"Virtual", "has_livestream":1, "livestream_type":"other", "livetream_require_login":0, "livestream_id":"", "livestream_link":"", "cost":"", "tags":["Slavic Studies","Slavic","russia","eastern europe"], "website":"https:\/\/slaviccenter.osu.edu\/events\/masters-midwest-opportunities-graduate-programs-russian-east-european-and-eurasian-studies", "sponsors":[ { "group_name":"Center for Russian, East European, and Eurasian Studies", "group_id":"3097", "website":"http:\/\/www.ii.umich.edu\/crees" }, { "group_name":"International Institute", "group_id":"1968", "website":"http:\/\/www.ii.umich.edu" }, { "group_name":"Weiser Center for Europe and Eurasia", "group_id":"3111", "website":"http:\/\/www.ii.umich.edu\/wcee" } ], "image_url":"https:\/\/events.umich.edu\/media\/attachments\/2025\/10\/event_140494_original-1.jpg", "styled_images":{ "event_thumb":"https:\/\/events.umich.edu\/media\/cache\/event_thumb\/media\/attachments\/2025\/10\/event_140494_original-1.jpg", "event_large":"https:\/\/events.umich.edu\/media\/cache\/event_large\/media\/attachments\/2025\/10\/event_140494_original-1.jpg", "event_large_2x":"https:\/\/events.umich.edu\/media\/cache\/event_large_2x\/media\/attachments\/2025\/10\/event_140494_original-1.jpg", "event_large_lightbox":"https:\/\/events.umich.edu\/media\/cache\/event_large_lightbox\/media\/attachments\/2025\/10\/event_140494_original-1.jpg", "group_thumb":"https:\/\/events.umich.edu\/media\/cache\/group_thumb\/media\/attachments\/2025\/10\/event_140494_original-1.jpg", "group_thumb_square":"https:\/\/events.umich.edu\/media\/cache\/group_thumb_square\/media\/attachments\/2025\/10\/event_140494_original-1.jpg", "group_large":"https:\/\/events.umich.edu\/media\/cache\/group_large\/media\/attachments\/2025\/10\/event_140494_original-1.jpg", "group_large_lightbox":"https:\/\/events.umich.edu\/media\/cache\/group_large_lightbox\/media\/attachments\/2025\/10\/event_140494_original-1.jpg", "event_large_crop":"https:\/\/events.umich.edu\/media\/cache\/event_large_crop\/media\/attachments\/2025\/10\/event_140494_original-1.jpg", "event_list":"https:\/\/events.umich.edu\/media\/cache\/event_list\/media\/attachments\/2025\/10\/event_140494_original-1.jpg", "event_list_2x":"https:\/\/events.umich.edu\/media\/cache\/event_list_2x\/media\/attachments\/2025\/10\/event_140494_original-1.jpg", "event_grid":"https:\/\/events.umich.edu\/media\/cache\/event_grid\/media\/attachments\/2025\/10\/event_140494_original-1.jpg", "event_grid_2x":"https:\/\/events.umich.edu\/media\/cache\/event_grid_2x\/media\/attachments\/2025\/10\/event_140494_original-1.jpg", "event_feature_large":"https:\/\/events.umich.edu\/media\/cache\/event_feature_large\/media\/attachments\/2025\/10\/event_140494_original-1.jpg", "event_feature_thumb":"https:\/\/events.umich.edu\/media\/cache\/event_feature_thumb\/media\/attachments\/2025\/10\/event_140494_original-1.jpg" }, "occurrence_count":3, "first_occurrence":21887228 } , "137862-21880924": { "datetime_modified":"20251006T121646", "datetime_start":"20251022T163000", "datetime_end":"20251022T183000", "has_end_time":1, "date_start":"2025-10-22", "date_end":"2025-10-22", "time_start":"16:30:00", "time_end":"18:30:00", "time_zone":"America\/Detroit", "event_title":"Voice & Opera Department Recital", "occurrence_title":"", "combined_title":"Voice & Opera Department Recital", "event_subtitle":"", "event_type":"Performance", "event_type_id":"15", "description":"Students from the Department of Voice & Opera perform a recital. Students of all degree levels will showcase their latest vocal works and achievements.", "occurrence_notes":null, "guid":"137862-21880924@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/137862", "building_id":"1000440", "building_name":"Earl V. Moore Building", "campus_maps_id":"52", "room":"Britton Recital Hall", "location_name":"Earl V. Moore Building", "has_livestream":0, "cost":"Free - no tickets required", "tags":["North Campus","Music","Free"], "website":"", "sponsors":[ { "group_name":"School of Music, Theatre & Dance (SMTD)", "group_id":"155", "website":"http:\/\/smtd.umich.edu\/events" } ], "image_url":"https:\/\/events.umich.edu\/media\/attachments\/2025\/08\/event_137862_original-1.jpg", "styled_images":{ "event_thumb":"https:\/\/events.umich.edu\/media\/cache\/event_thumb\/media\/attachments\/2025\/08\/event_137862_original-1.jpg", "event_large":"https:\/\/events.umich.edu\/media\/cache\/event_large\/media\/attachments\/2025\/08\/event_137862_original-1.jpg", "event_large_2x":"https:\/\/events.umich.edu\/media\/cache\/event_large_2x\/media\/attachments\/2025\/08\/event_137862_original-1.jpg", "event_large_lightbox":"https:\/\/events.umich.edu\/media\/cache\/event_large_lightbox\/media\/attachments\/2025\/08\/event_137862_original-1.jpg", "group_thumb":"https:\/\/events.umich.edu\/media\/cache\/group_thumb\/media\/attachments\/2025\/08\/event_137862_original-1.jpg", "group_thumb_square":"https:\/\/events.umich.edu\/media\/cache\/group_thumb_square\/media\/attachments\/2025\/08\/event_137862_original-1.jpg", "group_large":"https:\/\/events.umich.edu\/media\/cache\/group_large\/media\/attachments\/2025\/08\/event_137862_original-1.jpg", "group_large_lightbox":"https:\/\/events.umich.edu\/media\/cache\/group_large_lightbox\/media\/attachments\/2025\/08\/event_137862_original-1.jpg", "event_large_crop":"https:\/\/events.umich.edu\/media\/cache\/event_large_crop\/media\/attachments\/2025\/08\/event_137862_original-1.jpg", "event_list":"https:\/\/events.umich.edu\/media\/cache\/event_list\/media\/attachments\/2025\/08\/event_137862_original-1.jpg", "event_list_2x":"https:\/\/events.umich.edu\/media\/cache\/event_list_2x\/media\/attachments\/2025\/08\/event_137862_original-1.jpg", "event_grid":"https:\/\/events.umich.edu\/media\/cache\/event_grid\/media\/attachments\/2025\/08\/event_137862_original-1.jpg", "event_grid_2x":"https:\/\/events.umich.edu\/media\/cache\/event_grid_2x\/media\/attachments\/2025\/08\/event_137862_original-1.jpg", "event_feature_large":"https:\/\/events.umich.edu\/media\/cache\/event_feature_large\/media\/attachments\/2025\/08\/event_137862_original-1.jpg", "event_feature_thumb":"https:\/\/events.umich.edu\/media\/cache\/event_feature_thumb\/media\/attachments\/2025\/08\/event_137862_original-1.jpg" }, "occurrence_count":1, "first_occurrence":21880924 } , "137429-21880231": { "datetime_modified":"20251002T090141", "datetime_start":"20251022T170000", "datetime_end":"20251022T183000", "has_end_time":1, "date_start":"2025-10-22", "date_end":"2025-10-22", "time_start":"17:00:00", "time_end":"18:30:00", "time_zone":"America\/Detroit", "event_title":"Dips with the DPEs", "occurrence_title":"", "combined_title":"Dips with the DPEs: How to Flourish", "event_subtitle":"How to Flourish", "event_type":"Workshop \/ Seminar", "event_type_id":"21", "description":"Dips with the DPEs is apart of the How to Flourish (HTF) Workshop that is offered through Trotter Multicultural Center's workshop\/ and or programming series. HTF is a series of program or workshops that is based off of the Model of Wellbeing. Each dimension of wellness focuses on eight areas: physical, mental, environmental, financial, occupational, social, intellectual, and spiritual. Dips with the DPEs focuses on the environmental wellness dimension. Historically for first-year and first gen students, this workshop is open to any and everybody.\r\n\r\nJoin the Diversity Peer Educators (DPEs) as they stop by the Trotter Multicultural Center to share advice and insights for first-year students on navigating campus life, building community in the residence halls, and getting involved with the Multicultural Council. This interactive panel offers attendees the opportunity to ask questions about adjusting to college, building community, and accessing supportive campus resources. They\u2019ll also gain helpful tips and guidance for applying to the Diversity Peer Educator role. 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