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SUMMARY:Hao Zhang (IPMU)
DTSTART:20240528T130000Z
DTEND:20240528T140000Z
DTSTAMP:20260423T021142Z
UID:SymSem/63
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/SymSem/63/">
 K-theoretic Global Symmetry in String-constructed QFT and T-duality</a>\nb
 y Hao Zhang (IPMU) as part of Symmetry Seminar\n\n\nAbstract\nWe propose t
 hat generalized symmetries in some string-constructed QFTs are given by tw
 isted K-theory\, so as to be manifestly consistent under T-duality. We thu
 s have even-form and odd-form symmetries determined by the twisted K-theor
 y as D-brane charges on the asymptotic boundary ∂X of internal geometry 
 X with twist class N. For these QFTs\, "p-form symmetries" are no longer s
 eparately well-defined for individual p\, but instead mixed up. We discuss
  6D ADE-type (2\,0) SCFTs and some 6d (1\,0) LSTs as examples\, and demons
 trate their twisted K-theoretic symmetries to be consistent with T-duality
 .\n
LOCATION:https://researchseminars.org/talk/SymSem/63/
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