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Cobordism invariants from BPS q-series

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 نشر من قبل Sergei Gukov
 تاريخ النشر 2020
  مجال البحث فيزياء
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Many BPS partition functions depend on a choice of additional structure: fluxes, Spin or Spin$^c$ structures, etc. In a context where the BPS generating series depends on a choice of Spin$^c$ structure we show how different limits with respect to the expansion variable $q$ and different ways of summing over Spin$^c$ structures produce different invariants of homology cobordisms out of the BPS $q$-series.



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