On Posets whose Products are

Abstract

If P is an upper semilattice whose Hasse diagram is a tree and whose cartesian powers are Macaulay, it is shown that Hasse diagram of P is actually a spider in which all the legs have the same length.

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Cite this paper

@inproceedings{Bezrukov1998OnPW, title={On Posets whose Products are}, author={Sergei L. Bezrukov}, year={1998} }