322 citations
- Massachusetts Institute of TechnologyUS17 papers
- University of California, DavisUS17 papers
- Argonne National LaboratoryUS16 papers
- Fermi National Accelerator LaboratoryUS16 papers
- Harvard University PressUS16 papers
- National and Kapodistrian University of AthensGR16 papers
- Texas A&M UniversityUS16 papers
- University College LondonGB16 papers
- University of GenevaCH16 papers
- University of OxfordGB16 papers
- University of PittsburghUS16 papers
- University of TsukubaJP16 papers
Showing math.GTShow all
3 papers · 1 filter
math.GT2009★ 5 cited
CAT(0) groups with specified boundary
Kim Ruane
We specify exactly which groups can act geometrically on CAT(0) spaces whose visual boundary is homeomorphic to either a circle or a suspension of a Cantor set.
math.GT2008★ 1 cited
Two-generator subgroups of the pure braid group
Christopher J Leininger, Dan Margalit
We show that any two elements of the pure braid group either commute or generate a free group, settling a question of Luis Paris. Our proof involves the theory of 3-manifolds and t…
math.GT2007★ 3 cited
The Dimension of the Torelli group
Mladen Bestvina, Kai-Uwe Bux, Dan Margalit
We prove that the cohomological dimension of the Torelli group for a closed connected orientable surface of genus g at least 2 is equal to 3g-5. This answers a question of Mess, wh…