{ "148947-21905245": { "datetime_modified":"20261012T115310", "datetime_start":"20261013T160000", "datetime_end":"20261013T170000", "has_end_time":1, "date_start":"2026-10-13", "date_end":"2026-10-13", "time_start":"16:00:00", "time_end":"17:00:00", "time_zone":"America\/Detroit", "event_title":"Colloquium: Surfing Langmuir Waves", "occurrence_title":"", "combined_title":"Colloquium: Surfing Langmuir Waves: Toan T. Nguyen, Penn State University", "event_subtitle":"Toan T. Nguyen, Penn State University", "event_type":"Lecture \/ Discussion", "event_type_id":"13", "description":"In the Vlasov theory of excited electrons, Langmuir's waves or plasma oscillations arise due to the long-range interaction between electrons, leading to the oscillatory behavior of the electric field like a Klein\u2013Gordon's dispersive wave. The classical Landau damping concerns decay of such oscillations, exponentially rapid for short-wave perturbations, however extremely slow or not available in the long-wave regime. This presentation shall provide an overview and the state of the art on this subject.", "occurrence_notes":null, "guid":"148947-21905245@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/148947", "building_id":"1000166", "building_name":"East Hall", "campus_maps_id":"53", "room":"1360", "location_name":"East Hall", "has_livestream":0, "cost":"", "tags":["Mathematics"], "website":"https:\/\/sites.psu.edu\/nguyen\/homepage\/", "sponsors":[ { "group_name":"Colloquium Series - Department of Mathematics", "group_id":"4884", "website":"" }, { "group_name":"Department of Mathematics", "group_id":"3791", "website":"" } ], "image_url":"https:\/\/events.umich.edu\/media\/attachments\/2026\/06\/event_148947_original-1.jpg", "styled_images":{ "event_thumb":"https:\/\/events.umich.edu\/media\/cache\/event_thumb\/media\/attachments\/2026\/06\/crop-event_148947_original-1.jpg", "event_large":"https:\/\/events.umich.edu\/media\/cache\/event_large\/media\/attachments\/2026\/06\/crop-event_148947_original-1.jpg", "event_large_2x":"https:\/\/events.umich.edu\/media\/cache\/event_large_2x\/media\/attachments\/2026\/06\/crop-event_148947_original-1.jpg", "event_large_lightbox":"https:\/\/events.umich.edu\/media\/cache\/event_large_lightbox\/media\/attachments\/2026\/06\/crop-event_148947_original-1.jpg", "group_thumb":"https:\/\/events.umich.edu\/media\/cache\/group_thumb\/media\/attachments\/2026\/06\/crop-event_148947_original-1.jpg", "group_thumb_square":"https:\/\/events.umich.edu\/media\/cache\/group_thumb_square\/media\/attachments\/2026\/06\/crop-event_148947_original-1.jpg", "group_large":"https:\/\/events.umich.edu\/media\/cache\/group_large\/media\/attachments\/2026\/06\/crop-event_148947_original-1.jpg", "group_large_lightbox":"https:\/\/events.umich.edu\/media\/cache\/group_large_lightbox\/media\/attachments\/2026\/06\/crop-event_148947_original-1.jpg", "event_large_crop":"https:\/\/events.umich.edu\/media\/cache\/event_large_crop\/media\/attachments\/2026\/06\/crop-event_148947_original-1.jpg", "event_list":"https:\/\/events.umich.edu\/media\/cache\/event_list\/media\/attachments\/2026\/06\/crop-event_148947_original-1.jpg", "event_list_2x":"https:\/\/events.umich.edu\/media\/cache\/event_list_2x\/media\/attachments\/2026\/06\/crop-event_148947_original-1.jpg", "event_grid":"https:\/\/events.umich.edu\/media\/cache\/event_grid\/media\/attachments\/2026\/06\/crop-event_148947_original-1.jpg", "event_grid_2x":"https:\/\/events.umich.edu\/media\/cache\/event_grid_2x\/media\/attachments\/2026\/06\/crop-event_148947_original-1.jpg", "event_feature_large":"https:\/\/events.umich.edu\/media\/cache\/event_feature_large\/media\/attachments\/2026\/06\/crop-event_148947_original-1.jpg", "event_feature_thumb":"https:\/\/events.umich.edu\/media\/cache\/event_feature_thumb\/media\/attachments\/2026\/06\/crop-event_148947_original-1.jpg" }, "occurrence_count":1, "first_occurrence":21905245 } , "149317-21906457": { "datetime_modified":"20261006T095529", "datetime_start":"20261013T160000", "datetime_end":"20261013T180000", "has_end_time":1, "date_start":"2026-10-13", "date_end":"2026-10-13", "time_start":"16:00:00", "time_end":"18:00:00", "time_zone":"America\/Detroit", "event_title":"Examining Contemporary Antisemitism: A Frankel Institute Panel", "occurrence_title":"", "combined_title":"Examining Contemporary Antisemitism: A Frankel Institute Panel: Alice Mishkin, Ben Bornstein, and Matt Berkman", "event_subtitle":"Alice Mishkin, Ben Bornstein, and Matt Berkman", "event_type":"Lecture \/ Discussion", "event_type_id":"13", "description":"Contemporary Antisemitism: A \u201cRethinking Antisemitism\" Frankel Institute Event\n\nTuesday, October 13, 2026\n4:00 - 6:00 PM\nRoom 2022, South Thayer Building\n\nThree Fellows from the 2026-27 Frankel Institute \"Rethinking Antisemitism\" Theme Year examine antisemitic sentiment and community solidarity following October 7, 2023.", "occurrence_notes":null, "guid":"149317-21906457@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/149317", "building_id":"1005179", "building_name":"202 S. Thayer", "campus_maps_id":"524", "room":"2022", "location_name":"202 S. Thayer", "has_livestream":0, "cost":"", "tags":["anti-semitism","Humanities","Inclusion","Interdisciplinary","Jewish Studies","Social Sciences"], "website":"https:\/\/myumi.ch\/DWGD5", "sponsors":[ { "group_name":"Judaic Studies", "group_id":"1059", "website":"" } ], "image_url":"https:\/\/events.umich.edu\/media\/attachments\/2026\/07\/event_149317_original-1.png", "styled_images":{ "event_thumb":"https:\/\/events.umich.edu\/media\/cache\/event_thumb\/media\/attachments\/2026\/07\/event_149317_original-1.png", "event_large":"https:\/\/events.umich.edu\/media\/cache\/event_large\/media\/attachments\/2026\/07\/event_149317_original-1.png", "event_large_2x":"https:\/\/events.umich.edu\/media\/cache\/event_large_2x\/media\/attachments\/2026\/07\/event_149317_original-1.png", "event_large_lightbox":"https:\/\/events.umich.edu\/media\/cache\/event_large_lightbox\/media\/attachments\/2026\/07\/event_149317_original-1.png", "group_thumb":"https:\/\/events.umich.edu\/media\/cache\/group_thumb\/media\/attachments\/2026\/07\/event_149317_original-1.png", "group_thumb_square":"https:\/\/events.umich.edu\/media\/cache\/group_thumb_square\/media\/attachments\/2026\/07\/event_149317_original-1.png", "group_large":"https:\/\/events.umich.edu\/media\/cache\/group_large\/media\/attachments\/2026\/07\/event_149317_original-1.png", "group_large_lightbox":"https:\/\/events.umich.edu\/media\/cache\/group_large_lightbox\/media\/attachments\/2026\/07\/event_149317_original-1.png", "event_large_crop":"https:\/\/events.umich.edu\/media\/cache\/event_large_crop\/media\/attachments\/2026\/07\/event_149317_original-1.png", "event_list":"https:\/\/events.umich.edu\/media\/cache\/event_list\/media\/attachments\/2026\/07\/event_149317_original-1.png", "event_list_2x":"https:\/\/events.umich.edu\/media\/cache\/event_list_2x\/media\/attachments\/2026\/07\/event_149317_original-1.png", "event_grid":"https:\/\/events.umich.edu\/media\/cache\/event_grid\/media\/attachments\/2026\/07\/event_149317_original-1.png", "event_grid_2x":"https:\/\/events.umich.edu\/media\/cache\/event_grid_2x\/media\/attachments\/2026\/07\/event_149317_original-1.png", "event_feature_large":"https:\/\/events.umich.edu\/media\/cache\/event_feature_large\/media\/attachments\/2026\/07\/event_149317_original-1.png", "event_feature_thumb":"https:\/\/events.umich.edu\/media\/cache\/event_feature_thumb\/media\/attachments\/2026\/07\/event_149317_original-1.png" }, "occurrence_count":1, "first_occurrence":21906457 } }