math 5900

Math 5900-033 R-trees and the Rips machine

In this reading course we will begin with the paper

Mladen Bestvina, R-trees in topology, geometry, and group theory, Handbook of geometric topology, 55-91, North-Holland, Amsterdam, 2002

and possibly continue with

Mladen Bestvina and Mark Feighn, Stable actions of groups on real trees, Invent. Math. 121 (1995), 287-321.

Anyone who would like to join should let me know.

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