English

Sums of toric ideals

Commutative Algebra 2012-11-26 v1 Algebraic Geometry

Abstract

Given two toric ideals I1,I2\siI_1,I_2\subset\si, it is not always true that I1+I2I_1+I_2 is a toric ideal. Given I1,...,Ik\siI_1,...,I_k\subset\si a familly of toric ideals we give necessary conditions in order to have that I1+...+IkI_1+...+I_k is a toric ideal.

Keywords

Cite

@article{arxiv.1211.5386,
  title  = {Sums of toric ideals},
  author = {Hernan de Alba Casillas and Marcel Morales},
  journal= {arXiv preprint arXiv:1211.5386},
  year   = {2012}
}