Quillen's conjecture and unitary groups

Fuente: arXiv
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Main Author: Ramos, Antonio Díaz
Format: Preprint
Published: 2023
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author Ramos, Antonio Díaz
author_facet Ramos, Antonio Díaz
contents We prove that the Quillen posets $\mathcal{A}_p(H)$ of $p$-extensions $H$ of simple unitary groups have non-zero homology in the largest possible dimension, with just a few exceptions. This establishes a conjecture raised by Aschbacher-Smith in 1992. In particular, by their work and a more recent article by Piterman-Smith, Quillen's conjecture on the $p$-subgroup posets holds for odd primes.
format Preprint
id arxiv_https___arxiv_org_abs_2303_15613
institution arXiv
publishDate 2023
record_format arxiv
spellingShingle Quillen's conjecture and unitary groups
Ramos, Antonio Díaz
Algebraic Topology
Group Theory
55U10, 05E45, 20J99
We prove that the Quillen posets $\mathcal{A}_p(H)$ of $p$-extensions $H$ of simple unitary groups have non-zero homology in the largest possible dimension, with just a few exceptions. This establishes a conjecture raised by Aschbacher-Smith in 1992. In particular, by their work and a more recent article by Piterman-Smith, Quillen's conjecture on the $p$-subgroup posets holds for odd primes.
title Quillen's conjecture and unitary groups
topic Algebraic Topology
Group Theory
55U10, 05E45, 20J99
url https://arxiv.org/abs/2303.15613