paper

First order deformations of schemes with normal crossing singularities

arXiv:1007.3038

Abstract

We describe the sheaf T^1(X) of first order deformations of a reduced scheme with normal crossing singularities. In particular, we obtain a formula for T^1(X) in a suitable log resolution of X.

16 pages

First order deformations of schemes with normal crossing singularities · wovepaper