121 citations · 441 across the 31 of their papers we have counts for
Showing 2015Show all
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math.GT2015★ 17 cited
Tethers and homology stability for surfaces
Allen Hatcher, Karen Vogtmann
Homological stability for sequences of groups is often proved by studying the spectral sequence associated to the action of a typical group in the sequence on a highly-connected si…
math.GR2015★ 1 cited
Contractbility of Outer space: reprise
Karen Vogtmann
This note contains a newly streamlined version of the original proof that Outer space is contractible.
math.AT2015★ 31 cited
Assembling homology classes in automorphism groups of free groups
James Conant, Allen Hatcher, Martin Kassabov +1
The observation that a graph of rank can be assembled from graphs of smaller rank with leaves by pairing the leaves together leads to a process for assembling homology…