BEGIN:VCALENDAR VERSION:2.0 PRODID:researchseminars.org CALSCALE:GREGORIAN X-WR-CALNAME:researchseminars.org BEGIN:VEVENT SUMMARY:Lian Kong (SIQSE\, Southern University of Science and Technology) DTSTART:20230117T140000Z DTEND:20230117T150000Z DTSTAMP:20260423T021134Z UID:SymSem/25 DESCRIPTION:Title: Global Quantum Many-body Theory\nby Lian Kong (SIQSE\, Southern Univer sity of Science and Technology) as part of Symmetry Seminar\n\n\nAbstract\ nThe program of studying the categories of topological orders or quantum l iquids\, was initiated in 1502.01690 and 1702.00673\, where the notion of a morphism between two topological orders (or quantum liquids) was introdu ced. This notion is different from the usual definition by a domain wall b ut contains the recent idea of Symmetry TFT as special cases. In this talk \, I will review this notion and show how it led us immediately to the so- called boundary-bulk relation\, then to a unified theory of both gapped an d gapless boundaries of 2+1D topological orders and topological Wick rotat ion 1705.01087\,1905.04924\,1912.01760\, and eventually to a mathematical theory of gapped/gapless quantum liquids 2011.02859\, 2107.03858\, 2201.05 726\n LOCATION:https://researchseminars.org/talk/SymSem/25/ END:VEVENT END:VCALENDAR