Tolerance complexes of collapsible complexes are Leray
Let be a -collapsible simplicial complex, and let . Define the -tolerance complex of by
Collapsible-to-Leray tolerance conjecture. Then is -Leray.
This is stated as a weaker version of the conjectures asserting preservation of collapsibility and Lerayness under the same tolerance operation. The source gives no resolution of this conjecture, although it records special cases, including the , case.
References
Primary source
Minki Kim and Alan Lew, “Leray numbers of tolerance complexes”, arXiv:2109.03030 (2021).
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