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arxiv: 1211.5386 · v1 · pith:YEDHKHGZnew · submitted 2012-11-22 · 🧮 math.AC · math.AG

Sums of toric ideals

classification 🧮 math.AC math.AG
keywords toricidealsgivenidealsubsetalwaysconditionsfamilly
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Given two toric ideals $I_1,I_2\subset\si$, it is not always true that $I_1+I_2$ is a toric ideal. Given $I_1,...,I_k\subset\si$ a familly of toric ideals we give necessary conditions in order to have that $I_1+...+I_k$ is a toric ideal.

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