Abstract
We prove that, for 3g−3+n>1 and (g,n)≠(1,2), the group of Weil–Petersson isometries of the Teichmüller space T g,n coincides with the extended mapping class group.
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Masur, H., Wolf, M. The Weil–Petersson Isometry Group. Geometriae Dedicata 93, 177–190 (2002). https://doi.org/10.1023/A:1020300413472
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DOI: https://doi.org/10.1023/A:1020300413472