On the LS-category of homomorphisms of groups with torsion

Fuente: arXiv
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Main Author: Kuanyshov, Nursultan
Format: Preprint
Published: 2023
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author Kuanyshov, Nursultan
author_facet Kuanyshov, Nursultan
contents We prove the equality $\cat(ϕ)=\cd(ϕ)$ for homomorphisms $ϕ:Γ\to Λ$ between finitely generated abelian groups $Γ$ and $Λ$, where $ϕ(T(Γ))=0$ for the torsion subgroups $T(Γ)$ of $Γ$.
format Preprint
id arxiv_https___arxiv_org_abs_2302_10998
institution arXiv
publishDate 2023
record_format arxiv
spellingShingle On the LS-category of homomorphisms of groups with torsion
Kuanyshov, Nursultan
Algebraic Topology
Primary 55M30, Secondary 20J06, 20K45, 20K30, 20K10
We prove the equality $\cat(ϕ)=\cd(ϕ)$ for homomorphisms $ϕ:Γ\to Λ$ between finitely generated abelian groups $Γ$ and $Λ$, where $ϕ(T(Γ))=0$ for the torsion subgroups $T(Γ)$ of $Γ$.
title On the LS-category of homomorphisms of groups with torsion
topic Algebraic Topology
Primary 55M30, Secondary 20J06, 20K45, 20K30, 20K10
url https://arxiv.org/abs/2302.10998