Some Properties of Aut$_∗(X)$ and the Subgroup Aut$_Σ(X)$

Some Properties of Aut$_∗(X)$ and the Subgroup Aut$_Σ(X)$

Year:    2009

Author:    Youhua Qian, Shengmin Chen

Communications in Mathematical Research , Vol. 25 (2009), Iss. 2 : pp. 97–103

Abstract

Let Aut$_∗(X)$ denote the group of homotopy classes of self-homotopy equivalences of $X$, which induce identity automorphisms of homology group. We describe a decomposition of Aut$_∗(X_1∨· · ·∨X_n)$ as a product of its simpler subgroups. We consider the subgroup Aut$_Σ(X)$ of all self homotopy classes α of $X$ such that $Σα = 1_{ΣX} : ΣX → ΣX$, and also give some properties of Aut$_Σ(X)$.

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Journal Article Details

Publisher Name:    Global Science Press

Language:    English

DOI:    https://doi.org/2009-CMR-19291

Communications in Mathematical Research , Vol. 25 (2009), Iss. 2 : pp. 97–103

Published online:    2009-01

AMS Subject Headings:    Global Science Press

Copyright:    COPYRIGHT: © Global Science Press

Pages:    7

Keywords:    self-homotopy equivalences the wedge space reducible.

Author Details

Youhua Qian

Shengmin Chen