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math.AC2011★ 4 cited
On the Betti numbers of some semigroup rings
Vincenzo Micale, Anda Olteanu
For any numerical semigroup , there are infinitely many numerical symmetric semigroups such that is their half. We are studying the Betti numbers of the nume…
math.AC2011★ 1 cited
Monomial cut ideals
Anda Olteanu
B. Sturmfels and S. Sullivant associated to any graph a toric ideal, called the cut ideal. We consider monomial cut ideals and we show that their algebraic properties such as the m…