Varieties Which are almost D-Affine |
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Authors: | Holland Martin P. |
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Affiliation: | Department of Pure Mathematics, Sheffield University Sheffield S3 7RH |
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Abstract: | This paper produces several examples of varieties X for whichthe global sections functor (X,): DX-modD(X)-mod is exact,and makes D(X)-mod a quotient category of DX-mod, but is notan equivalence. These varieties are quotients by finite groupactions of D-affine varieties. The torsion of (X,) isalso described, in some cases. Here, Dx-mod denotes the categoryof quasi-coherent DX-modules. |
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