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### Contents

Tetsushi OGOMA Yoshiaki UENO | 2 |

Group Theory | 13 |

Anders BJÖRNER Some CohenMacaulay Complexes arising | 21 |

Copyright | |

20 other sections not shown

### Common terms and phrases

A-module Algebra apply assertion assume Bourbaki-sequence called canonical claim closed Cohen-Macaulay Combinatorics commutative complex condition conjecture consider construct contained Corollary defined definition denote determined diagram dimension direct domain element equal equivalent Eulerian Eulerian poset exact sequence example exists extension face fact field finite formula function give given Gorenstein graded hand Hence holds homogeneous homomorphism ideal implies induction injective integer invariant isomorphism known lattice Lemma linear Math matrix maximal MCM-module minimal module monomials morphism multiplicity natural normal Note obtained pair partial particular polynomial poset prime Proof Proposition prove rank rational regular relations Remark representation resolution resp respect result ring satisfies sequence simplicial space standard subset Suppose system of parameters Theorem theory unique University varieties write zero