A note on the equivalence of Vafa's and Douglas's picture of discrete torsion

DOI10.1088/1126-6708/2000/12/029zbMATH Open0989.81095arXivhep-th/0009045OpenAlexW2084281227MaRDI QIDQ5931346

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Publication date: 24 April 2001

Published in: (Search for Journal in Brave)

Abstract: For a general nonabelian group action and an arbitrary genus worldsheet we show that Vafa's old definition of discrete torsion coincides with Douglas's D-brane definition of discrete torsion associated to projective representations.

Full work available at URL: https://arxiv.org/abs/hep-th/0009045

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