I will discuss and prove the Schwarz-Milnor Lemma, which roughly says that if you have a group acting on a metric space in a reasonable way, your group is quasi-isometric to that metric space. There will be lots of examples and no expectation that people already know what a quasi-isometry is.
Graduate Student Geometry-Topology Seminar
Friday, September 22, 2023 - 2:15pm
Ellis Buckminster
UPenn