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arxiv: 1212.3726 · v1 · pith:N4RD4E5Pnew · submitted 2012-12-15 · 🧮 math.AC · math.CO

On a conjecture by Kalai

classification 🧮 math.AC math.CO
keywords conjecturecohen-macaulaycomplexeskalaisimplicialvectorsanswerbalanced
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We show that monomial ideals generated in degree two satisfy a conjecture by Eisenbud, Green and Harris. In particular we give a partial answer to a conjecture of Kalai by proving that $h$-vectors of flag Cohen-Macaulay simplicial complexes are $h$-vectors of Cohen-Macaulay balanced simplicial complexes.

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