English

Hulls and Husks

Algebraic Geometry 2009-09-21 v4

Abstract

The aim of this note is to prove an analog of the flattening decomposition theorem for reflexive hulls. The main applications are: the construction of the moduli space of varieties of general type, improved flatness conditions and criteria for simultaneous normalizations.

Cite

@article{arxiv.0805.0576,
  title  = {Hulls and Husks},
  author = {János Kollár},
  journal= {arXiv preprint arXiv:0805.0576},
  year   = {2009}
}

Comments

Sept 2009: Removed earlier assumptions about generic flatness. The algebra husk cases are moved to a future preprint

R2 v1 2026-06-21T10:37:31.180Z