{"date":"2022-04-11","starts":{"hour":11,"minute":0,"second":0,"second_of_day":39600},"ends":{"hour":12,"minute":0,"second":0,"second_of_day":43200},"room":"32/114","speaker":"Wieslaw Kubis ","from":"Institute of Mathematics, Prague","title":"A new universal AF-algebra","abstract":"We introduce and study a new class of separable approximately finite-dimensional (AF) C* -algebras, namely, AF-algebras with \"Cantor property\".\r\nWe show the existence of a separable AF-algebra A that is universal in the sense of quotients, i.e. every separable AF-algebra is a quotient of A.\r\nMoreover, a natural extension property involving left-invertible embeddings describes it uniquely up to isomorphism.\r\n \r\nThis is a joint work with Saeed Ghasemi.\r\nThe paper is\r\nUniversal AF-algebras. J. Funct. Anal. 279 (2020), no. 5, 108590, 32 pp.","speaker_web":null,"announcement":null,"descfiles_signed_ids":"[]","online":false,"slug":"2022-04-11","shift":{"beginning":{"hour":11,"minute":0,"second":0,"second_of_day":39600},"ending":{"hour":12,"minute":0,"second":0,"second_of_day":43200},"exclude_end":false,"range":"[39600,43200]"},"announcement_i18n":{"en":"","he":""},"duration":"[2022-04-11 08:00:00 UTC,2022-04-11 09:00:00 UTC]","id":886,"created_at":"2022-04-03T09:26:27.351+03:00","updated_at":"2022-04-03T09:26:27.351+03:00","admin_users":[],"summary":"Wieslaw Kubis : A new universal AF-algebra","full_speaker_text":"Wieslaw Kubis  (*Institute of Mathematics, Prague*)","unusual":null,"unusual_place":false,"unusual_time":false,"unusual_day":false}