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Questions about the branch of algebra that deals with groups.

5 votes
1 answer
145 views

Computations with conetypes of hyperbolic groups

I'd like to know if there exists (and, in this case, where I can find it) some computer program/programming language/any kind of software that can find explicitly the conetypes of a hyperbolic group o …
EM90's user avatar
  • 329
5 votes
1 answer
244 views

Geodesics (with the same limit point) in a surface group of genus two

Consider a discrete Gromov-hyperbolic group $\Gamma$ (and its Cayley graph $\mathcal{G}$ w.r.t. some generating set). The notion of Gromov-boundary, indicated with $\partial\Gamma$, is naturally as …
EM90's user avatar
  • 329
2 votes
1 answer
214 views

Subsets of the boundary of a surface group

Consider the surface group $\Gamma=\langle a,b,c,d\mid [a,b][c,d]=1\rangle$: it is a Gromov hyperbolic group; its Gromov boundary $\partial\Gamma$ is homeomorphic to $S^1$ (the unit circle). I would l …
EM90's user avatar
  • 329