Type: Seminar

Distribution: World

Expiry: 22 Oct 2009

Auth: claus@miro.maths.usyd.edu.au

A finitely presented group is said to be large if there exists a finite index subgroup which has a homomorphism onto a non abelian free group. We investigate consequences of this definition and show how a routine can be written to establish largeness, utilising MAGMA functions from both group theory and linear algebra.