Counting Linear Extensions of Restricted Posets
Counting Linear Extensions of Restricted Posets
复制标题
计算受限偏集的线性扩展
DOI:
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复制
发表时间:
2018
影响因子:
0.7
通讯作者:
I. Pak
中科院分区:
文献类型:
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作者:
Samuel Dittmer;I. Pak
We prove the 1991 conjecture by Brightwell and Winkler that counting the number of linear extensions for posets of height two is #P-complete. We further extend this result to incidence posets of graphs.