Every Minkowski sum of unit simplices with nonnegative integer coefficients has the integer decomposition property and a toric ideal generated by quadratic binomials with a squarefree initial ideal.
Shibuta, Gr¨ obner bases of contraction ideals, J
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Toric ideals of Minkowski sums of unit simplices
Every Minkowski sum of unit simplices with nonnegative integer coefficients has the integer decomposition property and a toric ideal generated by quadratic binomials with a squarefree initial ideal.