$E_\infty$-cells and general linear groups of infinite fields

Fuente: arXiv
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Autores principales: Galatius, Soren, Kupers, Alexander, Randal-Williams, Oscar
Formato: Preprint
Publicado: 2020
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author Galatius, Soren
Kupers, Alexander
Randal-Williams, Oscar
author_facet Galatius, Soren
Kupers, Alexander
Randal-Williams, Oscar
contents We study the general linear groups of infinite fields (or more generally connected semi-local rings with infinite residue fields) from the perspective of $E_\infty$-algebras. We prove that there is a vanishing line of slope 2 for their $E_\infty$-homology, and analyse the groups on this line by determining all invariant bilinear forms on Steinberg modules. We deduce from this a number of consequences regarding the unstable homology of general linear groups, in particular answering questions of Rognes, Suslin, Mirzaii, and others.
format Preprint
id arxiv_https___arxiv_org_abs_2005_05620
institution arXiv
publishDate 2020
record_format arxiv
spellingShingle $E_\infty$-cells and general linear groups of infinite fields
Galatius, Soren
Kupers, Alexander
Randal-Williams, Oscar
Algebraic Topology
K-Theory and Homology
18F25, 20G15, 55P48
We study the general linear groups of infinite fields (or more generally connected semi-local rings with infinite residue fields) from the perspective of $E_\infty$-algebras. We prove that there is a vanishing line of slope 2 for their $E_\infty$-homology, and analyse the groups on this line by determining all invariant bilinear forms on Steinberg modules. We deduce from this a number of consequences regarding the unstable homology of general linear groups, in particular answering questions of Rognes, Suslin, Mirzaii, and others.
title $E_\infty$-cells and general linear groups of infinite fields
topic Algebraic Topology
K-Theory and Homology
18F25, 20G15, 55P48
url https://arxiv.org/abs/2005.05620