Nonpolytopal Nonsimplicial Lattice Spheres with Nonnegative Toric g -Vector

Periodicals（2012）

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摘要

We construct many nonpolytopal nonsimplicial Gorenstein ∗ meet semi-lattices with nonnegative toric g -vector, supporting a conjecture of Stanley. These are formed as Bier spheres over the face posets of multiplexes, polytopes constructed by Bisztriczky as generalizations of simplices.

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关键词

Toric g -vector

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