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.
An extremal problem for quasiconformal mappings and a theorem by T hurston
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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.