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math.GR2009
Splittings and the asymptotic topology of the lamplighter group
Panos Papasoglu
It is known that splittings of finitely presented groups over 2-ended groups can be characterized geometrically. We show that this characterization does not extend to all finitely…
math.GT2009★ 14 cited
From continua to R-trees
Panos Papasoglu, Eric L Swenson
We show how to associate an R-tree to the set of cut points of a continuum. If X is a continuum without cut points we show how to associate an R-tree to the set of cut pairs of X.