Warped Graphs of Nonpositively Curved Gluings

2020/01/13 by Ontaneda, Pedro, Ofner, Ted
#Algebraic Topology (math.AT) #FOS: Mathematics #Metric Geometry (math.MG)

paper · doi:10.48550/arxiv.2001.04274

Abstract

We prove that all finite graphs of groups with cyclic vertex and edge groups act freely and isometrically on a complete, nonpositively curved geodesic metric space.

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