English

Contraction images of toric varieties

Algebraic Geometry 2023-09-26 v3

Abstract

Let f:XYf:X \to Y be a proper morphism of normal varieties with fOX=OYf_*\mathcal{O}_X = \mathcal{O}_Y. If XX is toric, then YY is toric and ff is a toric morphism for some toric structures on XX and YY.

Keywords

Cite

@article{arxiv.2208.01454,
  title  = {Contraction images of toric varieties},
  author = {Hiromu Tanaka},
  journal= {arXiv preprint arXiv:2208.01454},
  year   = {2023}
}

Comments

This preprint has been withdrawn by the author, because the main theorem is included another preprint by the author: arXiv:2208.09680