A note on sheaves without self-extensions on the projective $n$-space
Algebraic Geometry
2012-08-16 v1 Representation Theory
Abstract
Let be the projective space over the complex numbers. In this note we show that an indecomposable rigid coherent sheaf on has a trivial endomorphism algebra. This generalizes a result of Drezet for
Cite
@article{arxiv.1208.3139,
title = {A note on sheaves without self-extensions on the projective $n$-space},
author = {Dieter Happel and Dan Zacharia},
journal= {arXiv preprint arXiv:1208.3139},
year = {2012}
}
Comments
To appear in the Proceedings of the AMS