We quantify the generation of free subgroups of surface mapping class groups by pseudo-Anosov mapping classes in terms of their translation distance and the distance between their axes in Teichmuller's metric. The method makes reference to Teichmuller space only.
机构:
Ctr Ciencias Matemat, UNAM Campus Morelia Ap Postal 61-3 Xangari, Morelia 58089, Michoacan, MexicoCtr Ciencias Matemat, UNAM Campus Morelia Ap Postal 61-3 Xangari, Morelia 58089, Michoacan, Mexico
Juan-Pineda, Daniel
Trujillo-Negrete, Alejandra
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机构:
Ctr Ciencias Matemat, UNAM Campus Morelia Ap Postal 61-3 Xangari, Morelia 58089, Michoacan, MexicoCtr Ciencias Matemat, UNAM Campus Morelia Ap Postal 61-3 Xangari, Morelia 58089, Michoacan, Mexico
机构:
Univ Bourgogne, Inst Math Bourgogne, CNRS, UMR 5584, F-21078 Dijon, FranceUniv Bourgogne, Inst Math Bourgogne, CNRS, UMR 5584, F-21078 Dijon, France