The complex of partial bases of a free group

Autor: Costa, Iv��n Sadofschi
Rok vydání: 2017
Předmět:
DOI: 10.48550/arxiv.1711.09954
Popis: We prove that the simplicial complex whose simplices are the nonempty partial bases of $\mathbb{F}_n$ is homotopy equivalent to a wedge of $(n-1)$-spheres. Moreover, we show that it is Cohen-Macaulay.
Databáze: OpenAIRE