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Smoothings of Fano varieties with normal crossing singularities

Authors :
Tziolas, Nikolaos
Publication Year :
2010

Abstract

This paper obtains criteria for a Fano variety X with normal crossing singularities defined over an algebraically closed field of characteristic zero, to be smoothable. The difference with the original version is that the theory of logarithmic structures and deformations is used in order to prove that X is smoothable by a smooth variety, if and only if T^1(X)=O_D, where D is the singular locus of X.<br />Comment: 19 pages. Final version. To appear in the Proceedings of the Edinburgh Mathematical Society

Subjects

Subjects :
Mathematics - Algebraic Geometry

Details

Database :
arXiv
Publication Type :
Report
Accession number :
edsarx.1005.0531
Document Type :
Working Paper