2 papers
math.AT2010★ 14 cited
On the fundamental group of Hom(Z^k,G)
Jose Manuel Gomez, Alexandra Pettet, Juan Souto
Let G be a compact Lie group, and consider the variety Hom(Z^k,G) of representations of Z^k into G. We view this as a based space by designating the trivial representation to be it…
math.GR2010★ 3 cited
On the Andreadakis-Johnson filtration of the automorphism group of a free group
F. R. Cohen, Aaron Heap, Alexandra Pettet
The Johnson filtration of the automorphism group of a free group is composed of those automorphisms which act trivially on nilpotent quotients of the free group. We compute cohomol…