Non-elementary subgroups of mapping class groups have non-arithmetic Teichmüller length spectra, shown via new cross-ratios on measured foliations and projective measured foliations.
Geometric intersection functions and H amiltonian flows on the space of measured foliations on a surface
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Non-arithmeticity of length spectra of subgroups of mapping class groups
Non-elementary subgroups of mapping class groups have non-arithmetic Teichmüller length spectra, shown via new cross-ratios on measured foliations and projective measured foliations.