{"id":1402,"date":"2018-07-04T12:56:21","date_gmt":"2018-07-04T10:56:21","guid":{"rendered":"https:\/\/www.uni.lu\/fstm-fr\/events\/general-mathematics-seminar\/"},"modified":"2018-07-04T12:56:21","modified_gmt":"2018-07-04T10:56:21","slug":"general-mathematics-seminar","status":"publish","type":"events","link":"https:\/\/www.uni.lu\/fstm-fr\/events\/general-mathematics-seminar\/","title":{"rendered":"General Mathematics Seminar"},"content":{"rendered":"<section class=\"wp-block-unilux-blocks-free-section section\"><div class=\"container xl:max-w-screen-xl\"><p>Werner M\u00fcller is Professor of Mathematics at the University of Bonn. His research interests encompass global analysis, harmonic analysis on locally symmetric spaces, and the theory of automorphic forms. He has received a Max-Planck research award and has been an invited speaker on the ICM in Warsaw and ECM in Paris. He is a member of the Academy of Sciences of Berlin-Brandenburg, of the German National Academy of Sciences Leopoldina and the Academia Europaea. He has held visiting positions at the IAS (Princeton), the IHES (Paris), Max-Planck Institute of Mathematics (Bonn), MSRI (Berkeley). Stanford University.<\/p><p>An arithmetic group is a discrete subgroup in a semisimple Lie group which is de ned by arithmetic conditions such as matrices with integer entries which satisfy congruence conditions. The cohomology of such groups carry deep arithmetic information. For example, torsion cohomology classes which are eigenclasses of all Hecke operators are expected to correspond to Galois representations over nite elds. In this talk I will discuss various aspects of the growth of torsion in the cohomology of arithmetic groups with respect to sequences of congruence subgroups or modules of growing rank. I will start with explaining the work of Bergeron and Venkatesh on the cocompact case and then explain results concerning the extension to the case of groups of nite covolume. The method is analytic and is based on the study of the Ray-Singer analytic torsion of the associated locally symmetric spaces. The analytic techniques for probing torsion in the cohomology lead to independent problems in di erential geometry and analysis which I also will discuss as time permits.<\/p><\/div><\/section>","protected":false},"excerpt":{"rendered":"<p>Werner M\u00fcller is Professor of Mathematics at the University of Bonn. His research interests encompass global analysis, harmonic analysis on locally symmetric spaces, and the theory of automorphic forms. He has received a Max-Planck research award and has been an invited speaker on the ICM in Warsaw and ECM in Paris. He is a member of the Academy of Sciences of Berlin-Brandenburg, of the German National Academy of Sciences Leopoldina and the Academia Europaea. He has held visiting positions at the IAS (Princeton), the IHES (Paris), Max-Planck Institute of Mathematics (Bonn), MSRI (Berkeley). Stanford University.<\/p>\n","protected":false},"author":0,"featured_media":1403,"parent":0,"menu_order":0,"comment_status":"open","ping_status":"closed","template":"","format":"standard","meta":{"featured_image_focal_point":[],"show_featured_caption":false,"ulux_newsletter_groups":"","uluxPostTitle":"","uluxPrePostTitle":"","_trash_the_other_posts":false,"_price":"","_stock":"","_tribe_ticket_header":"","_tribe_default_ticket_provider":"","_tribe_ticket_capacity":"0","_ticket_start_date":"","_ticket_end_date":"","_tribe_ticket_show_description":"","_tribe_ticket_show_not_going":false,"_tribe_ticket_use_global_stock":"","_tribe_ticket_global_stock_level":"","_global_stock_mode":"","_global_stock_cap":"","_tribe_rsvp_for_event":"","_tribe_ticket_going_count":"","_tribe_ticket_not_going_count":"","_tribe_tickets_list":"[]","_tribe_ticket_has_attendee_info_fields":false,"event_start_date":"2018-07-09 16:30:00","event_end_date":"2018-07-09 18:00:00","event_speaker_name":"Prof. Dr. Werner M\u00fcller (University of Bonn)","event_speaker_link":"","event_is_online":false,"event_location":"Maison du Nombre\r\nRoom 1.050","event_street":"6, avenue de la Fonte","event_location_link":"","event_zip_code":"4364 ","event_city":"Esch-sur-Alzette","event_country":"LU"},"events-topic":[309],"events-type":[],"organisation":[60],"authorship":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.3 (Yoast SEO v22.3) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>General Mathematics Seminar - FSTM I Uni.lu<\/title>\n<meta name=\"description\" content=\"Werner M\u00fcller is Professor of Mathematics at the University of Bonn. His research interests encompass global analysis, harmonic analysis on locally symmetric spaces, and the theory of automorphic forms. He has received a Max-Planck research award and has been an invited speaker on the ICM in Warsaw and ECM in Paris. He is a member of the Academy of Sciences of Berlin-Brandenburg, of the German National Academy of Sciences Leopoldina and the Academia Europaea. He has held visiting positions at the IAS (Princeton), the IHES (Paris), Max-Planck Institute of Mathematics (Bonn), MSRI (Berkeley). 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