Non-ridge-chordal complexes whose clique complex has shellable Alexander dual
Non-ridge-chordal complexes whose clique complex has shellable Alexander dual
复制标题
非脊弦复合体,其集团复合体具有可壳亚历山大对偶
DOI:
10.1016/j.jcta.2021.105430
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发表时间:
2021
期刊:
影响因子:
--
通讯作者:
Bolognini, Davide
中科院分区:
文献类型:
--
作者:
Benedetti, Bruno;Bolognini, Davide
A recent conjecture that appeared in three papers by Bigdeli–Faridi, Dochtermann, and Nikseresht, is that every simplicial complex whose clique complex has shellable Alexander dual, is ridge-chordal. This strengthens the long-standing Simon's conjecture that thek-skeleton of the simplex is extendably shellable, for anyk. We show that the stronger conjecture has a negative answer, by exhibiting an infinite family of counterexamples.
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