Perverse coherent t-structures through torsion theories
Representation Theory
2013-08-08 v4 Category Theory
Abstract
Bezrukavnikov (later together with Arinkin) recovered the work of Deligne defining perverse -structures for the derived category of coherent sheaves on a projective variety. In this text we prove that these -structures can be obtained through tilting torsion theories as in the work of Happel, Reiten and Smal\o. This approach proves to be slightly more general as it allows us to define, in the quasi-coherent setting, similar perverse -structures for certain noncommutative projective planes.
Cite
@article{arxiv.0911.0343,
title = {Perverse coherent t-structures through torsion theories},
author = {Jorge Vitoria},
journal= {arXiv preprint arXiv:0911.0343},
year = {2013}
}
Comments
New revised version with important corrections