| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 4665154 | Advances in Mathematics | 2016 | 16 Pages |
Abstract
We show that the order complex of the poset of all cosets of all proper subgroups of a finite group G is never F2F2-acyclic and therefore never contractible. This settles a question of K.S. Brown.
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Physical Sciences and Engineering
Mathematics
Mathematics (General)
Authors
John Shareshian, Russ Woodroofe,