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math.GR2013★ 1 cited
The infinite associahedron and R.J. Thompson's group T
Ariadna Fossas
In this paper we construct a cellular complex which is an infinite analogue to Stasheff's associahedra. We prove that it is contractible and state that its (combinatorial) automorp…
math.GR2010★ 4 cited
PSL(2,Z) as a non distorted subgroup of Thompson's group T
Ariadna Fossas
In this paper we characterize the elements of PSL(2,Z), as a subgroup of Thompson group T, in the language of reduced tree pair diagrams and in terms of piecewise linear maps as we…