22 citations · 51 across the 11 of their papers we have counts for
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math.AC2004★ 8 cited
Cohen-Macaulay chordal graphs
Juergen Herzog, Takayuki Hibi, Xinxian Zheng
We classify all Cohen-Macaulay chordal graphs. In particular. it is shown that a chordal graph is Cohen-Macaulay if and only if its unmixed.
math.AC2004
Monomial ideals arising from distributive lattices
Xinxian Zheng
The free resolution and the Alexander dual of squarefree monomial ideals associated with certain subsets of distributive lattices are studied.