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math.GR2018
Relatively hyperbolic groups with free abelian second cohomology
Michael Mihalik, Eric Swenson
Suppose is a 1-ended finitely presented group that is hyperbolic relative to a finite collection of 1-ended finitely presented proper subgroups of . Our main th…
math.GR2018
Finite cuts and CAT(0) boundaries
Panos Papasoglu, Eric Swenson
We show that if a 1-ended group acts geometrically on a CAT(0) space and $\bd X$ is separated by points then either is virtually a surface group or splits over…