Peter Fiebig, Martina Lanini
Published 2015-08-23Version 1
We introduce the notion of (co-)filtered sheaves on quotients of moment graphs by a group action. We then introduce a (co-)filtered version of the canonical sheaves of Braden and MacPherson and show that their global sections are the indecomposable projective objects in a suitably defined exact category.
An example of the Jantzen filtration of a D-module
$\mathscr{D}$-modules on the basic affine space and large $\mathfrak{g}$-modules
Group Actions on Central Simple Algebras
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