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Results of R. Stanley and M. Masuda completely characterize the h-vectors of simplicial posets whose order complexes are spheres. In this paper we examine the corresponding question in the case where ...
The Rees product of posets
Rees product posets
2010/12/10
We determine how the flag f-vector of any graded poset changes under the Rees product with the
chain, and more generally, any t-ary tree. As a corollary, the M¨obius function of the Rees product of a...