Journal of Geometry and Physics · 2005 · 16 citations · 15 references
Natural SciencesAstronomyCosmologyAlgebraic GeometryCategory TheoryGauge TheoryKnot TheoryQuantum Field TheorySymplectic GeometryHolonomy Theory
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Anomalies in string theory with $D$-branes
Daniel S. Freed, Edward Witten · Asian Journal of Mathematics · 1999 · 528 citations · Full text
Modular invariance and discrete torsion on orbifolds
Cumrun Vafa · Nuclear Physics B · 1986 · 514 citations
Orbifolds as Groupoids: an Introduction
Ieke Moerdijk · ArXiv.org · 2002 · 159 citations · Full text
Twisted equivariant K-theory with complex coefficients
Daniel S. Freed · 2008 · 81 citations