The Weil-Petersson Isometry Group

dc.creatorMasur, Howard
dc.creatorWolf, Michael
dc.date2000-08-08
dc.date2001-09-07
dc.date.accessioned2026-07-07T04:36:42Z
dc.date.available2026-07-07T04:36:42Z
dc.descriptionWe prove that every Weil-Petersson isometry of the Teichmuller space T(g,n) is induced by an element of the extended mapping class group; here 3g-3+n > 1 and (g,n) is not (1,2). Our method follows Ivanov's proof of the Royden's analogous theorem for the Teichmuller metric: we study the action of an isometry on the frontier of the metric completion of the Teichmuller space, and show that the isometry then induces an automorphism on the relevant complex of curves. Some synthetic geometry of the Weil-Petersson metric completes the proof.
dc.description15 pages; revised, more elementary proof. To appear in Geom. Ded
dc.identifierhttps://arxiv.org/abs/math/0008065
dc.identifierhttp://arxiv.org/abs/math/0008065
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/59694
dc.subjectDifferential Geometry
dc.subjectGeometric Topology
dc.subject32G15(Primary);32M99,53C22(Secondary)
dc.titleThe Weil-Petersson Isometry Group
dc.typetext

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