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A balanced non-partitionable Cohen-Macaulay complex. (arXiv:1711.05529v1 [math.CO])
来源于:arXiv
In a recent paper, Duval, Goeckner, Klivans and Martin disproved the
longstanding conjecture by Stanley, that every Cohen-Macaulay simplicial
complex is partitionable. We construct counterexamples to this conjecture that
are even \emph{balanced}, i.e., their underlying graph has a minimal coloring.
This answers a question by Duval et al. in the negative. 查看全文>>