{
    "151255-21911250":
    {
        "datetime_modified":"20260901T000414",
        "datetime_start":"20260902T160000",
        "datetime_end":"20260902T180000",
        "has_end_time":1,
        "date_start":"2026-09-02",
        "date_end":"2026-09-02",
        "time_start":"16:00:00",
        "time_end":"18:00:00",
        "time_zone":"America\/Detroit",
        "event_title":"Find us at Festifall!",
        "occurrence_title":"",
        "combined_title":"Find us at Festifall!",
        "event_subtitle":"",
        "event_type":"Fair \/ Festival",
        "event_type_id":"10",
        "description":"Find us at table C-85 Outside of Hatcher Grad. Library!",
        "occurrence_notes":null,
                "guid":"151255-21911250@events.umich.edu",
        "permalink":"http:\/\/events.umich.edu\/event\/151255",
        "building_id":"",
        "building_name":"",
        "campus_maps_id":"",
        "room":"",
        "location_name":"Diag",
        "has_livestream":0,
        "cost":"",
        "tags":[],
        "website":"https:\/\/maizepages.umich.edu\/event\/12666696",
        "sponsors":[
             {
                "group_name":"Maize Pages Student Organizations",
                "group_id":"2390",
                "website":""                }                    ],
        "image_url":"https:\/\/events.umich.edu\/media\/attachments\/2026\/09\/event_151255_original-2.png",
        "styled_images":{
                                        "event_thumb":"https:\/\/events.umich.edu\/media\/cache\/resolve\/event_thumb\/media\/attachments\/2026\/09\/event_151255_original-2.png",
                                            "event_large":"https:\/\/events.umich.edu\/media\/cache\/resolve\/event_large\/media\/attachments\/2026\/09\/event_151255_original-2.png",
                                            "event_large_2x":"https:\/\/events.umich.edu\/media\/cache\/resolve\/event_large_2x\/media\/attachments\/2026\/09\/event_151255_original-2.png",
                                            "event_large_lightbox":"https:\/\/events.umich.edu\/media\/cache\/resolve\/event_large_lightbox\/media\/attachments\/2026\/09\/event_151255_original-2.png",
                                            "group_thumb":"https:\/\/events.umich.edu\/media\/cache\/resolve\/group_thumb\/media\/attachments\/2026\/09\/event_151255_original-2.png",
                                            "group_thumb_square":"https:\/\/events.umich.edu\/media\/cache\/resolve\/group_thumb_square\/media\/attachments\/2026\/09\/event_151255_original-2.png",
                                            "group_large":"https:\/\/events.umich.edu\/media\/cache\/resolve\/group_large\/media\/attachments\/2026\/09\/event_151255_original-2.png",
                                            "group_large_lightbox":"https:\/\/events.umich.edu\/media\/cache\/resolve\/group_large_lightbox\/media\/attachments\/2026\/09\/event_151255_original-2.png",
                                            "event_large_crop":"https:\/\/events.umich.edu\/media\/cache\/resolve\/event_large_crop\/media\/attachments\/2026\/09\/event_151255_original-2.png",
                                            "event_list":"https:\/\/events.umich.edu\/media\/cache\/resolve\/event_list\/media\/attachments\/2026\/09\/event_151255_original-2.png",
                                            "event_list_2x":"https:\/\/events.umich.edu\/media\/cache\/event_list_2x\/media\/attachments\/2026\/09\/event_151255_original-2.png",
                                            "event_grid":"https:\/\/events.umich.edu\/media\/cache\/resolve\/event_grid\/media\/attachments\/2026\/09\/event_151255_original-2.png",
                                            "event_grid_2x":"https:\/\/events.umich.edu\/media\/cache\/resolve\/event_grid_2x\/media\/attachments\/2026\/09\/event_151255_original-2.png",
                                            "event_feature_large":"https:\/\/events.umich.edu\/media\/cache\/resolve\/event_feature_large\/media\/attachments\/2026\/09\/event_151255_original-2.png",
                                            "event_feature_thumb":"https:\/\/events.umich.edu\/media\/cache\/resolve\/event_feature_thumb\/media\/attachments\/2026\/09\/event_151255_original-2.png"                    },
        "occurrence_count":1,
        "first_occurrence":21911250
    }    ,    "150579-21909651":
    {
        "datetime_modified":"20260820T232857",
        "datetime_start":"20260902T160000",
        "datetime_end":"20260902T170000",
        "has_end_time":1,
        "date_start":"2026-09-02",
        "date_end":"2026-09-02",
        "time_start":"16:00:00",
        "time_end":"17:00:00",
        "time_zone":"America\/Detroit",
        "event_title":"Theory and Methods for Conditional Diffusion Models",
        "occurrence_title":"",
        "combined_title":"Theory and Methods for Conditional Diffusion Models: Ahmad Aghapour, UM",
        "event_subtitle":"Ahmad Aghapour, UM",
        "event_type":"Workshop \/ Seminar",
        "event_type_id":"21",
        "description":"will study conditional sampling with diffusion models under linear constraints, with a focus on understanding how a pre-trained unconditional diffusion model can be used to sample from a conditional distribution. I will present a normal\u2013tangent decomposition of the conditional score that separates the effect of the observed constraints from the remaining uncertainty in the distribution. This decomposition provides a way to characterize the discrepancy between the unconditional and conditional diffusion dynamics, and to relate this discrepancy to information-theoretic quantities.\n\nBased on this perspective, I will introduce a sampling method that combines projected Langevin initialization on the constraint set with guided reverse diffusion. I will discuss theoretical and information-theoretic guarantees for the resulting sampler, as well as numerical results illustrating its behavior on linear inverse problems. At the end, I will also briefly discuss related results showing how the information content and structural properties of a target distribution can reduce the dependence of diffusion sampling on the ambient dimension.",
        "occurrence_notes":null,
                "guid":"150579-21909651@events.umich.edu",
        "permalink":"http:\/\/events.umich.edu\/event\/150579",
        "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":21909651
    }    }
