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Equivalences of equivariant derived categories

We investigate conditions for a Fourier-Mukai transform between derived categories of coherent sheaves on smooth projective stacks endowed with actions by finite groups to lift to the associated equivariant derived categories. As an application we give a condition under which a global quotient stack cannot be derived equivalent to a variety. We also apply our techniques to generalised Kummer stacks and symmetric quotients.

preprint2014arXivOpen access
Andreas KrugPawel Sosna
math.AG
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Andreas KrugPawel Sosna

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