BEGIN:VCALENDAR VERSION:2.0 PRODID:researchseminars.org CALSCALE:GREGORIAN X-WR-CALNAME:researchseminars.org BEGIN:VEVENT SUMMARY:Christian Saemann (Heriot-Watt University) DTSTART:20210507T160000Z DTEND:20210507T170000Z DTSTAMP:20260423T052955Z UID:TQFT/41 DESCRIPTION:Title: Ad justed Higher Gauge Theory: Connections and Parallel Transport\nby Chr istian Saemann (Heriot-Watt University) as part of Topological Quantum Fie ld Theory Club (IST\, Lisbon)\n\n\nAbstract\nOrdinary higher gauge theory suffers from the problem that all the curvature forms but the top degree o ne\, which are called fake curvatures\, have to vanish. If this condition was omitted\, the gauge structure\, the underlying higher principal bundle and the corresponding parallel transport would be inconsistent. For vanis hing fake curvatures\, however\, one can locally gauge away the non-abelia n parts of the higher connection\, ending up with a connection on an abeli an gerbe. This is clearly unsatisfactory for non-topological higher gauge theories. A solution to this problem is what we call "adjusted higher gaug e theory"\, in which the usual definition of the curvatures is adjusted by additional data. This lifts the requirement for vanishing fake curvatures . Moreover\, it matches constructions of theoretical physicists in the con text of supergravity. In this talk\, I will review the above points and sa y a few words about my motivation for studying adjusted higher gauge theor ies.\n LOCATION:https://researchseminars.org/talk/TQFT/41/ END:VEVENT END:VCALENDAR