Minimal systems of binomial generators and the indispensable complex of a toric ideal

Hara Charalambous, Anargyros Katsabekis, Apostolos Thoma

Let $A=\{{\mathbf{a}}_1,...,{\mathbf{a}}_m\}\subset {\mathbb{Z}}^n$ be a vector configuration and $I_A\subset K[x_1,...,x_m]$ its corresponding toric ideal. The paper consists of two parts.…