# Covering Theorems in the Alternating Group

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## Authors

Reineck, James F.

## Issue Date

1978

## Type

Thesis

## Language

en_US

## Keywords

## Alternative Title

## Abstract

It was shown by Ore [1951] that each element of A n, the alternating group on n letters, is a commutator, aba-lb-1 for some a and b in S n. Xu (1965] went further and showed that, given an element a in A n then, given any gEAn there is some b in A n such that g is conjugate to aba-lb-1. using the result of Xu it can be shown that there exist conjugacy classes C and C' in An such that CC' = A n. In this paper we will look at the
case where C = C' and determine whether some simple classes have the
property CC = A n. Section 2 looks at classes whose elements have period
two, utilizing results from Brenner, Randall and Riddell [1974].
Section three looks at classes whose elements have period three and
contains results of Brenner and Riddell [1976]. Section four looks at
coverings by classes whose elements all have period n (n odd) or
period n-1 (n even) and section five looks at the closely related
problem when, for n = 16k, the elements of the conjugacy classes all
have period n/4 using results from Brenner, Cranwell and Riddell [1973]
and [1974]. This paper then will summarize and complete details for
several different types of proofs.

## Description

iii, 40 p.

## Citation

## Publisher

Kalamazoo College

## License

U.S. copyright laws protect this material. Commercial use or distribution of this material is not permitted without prior written permission of the copyright holder.