Quasi-homomorphisms on mapping class groups

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dc.creatorBestvina, Mladen
dc.creatorFujiwara, Koji
dc.date2007-02-09
dc.date.accessioned2026-07-07T07:46:01Z
dc.date.available2026-07-07T07:46:01Z
dc.descriptionWe refine the construction of quasi-homomorphisms on mapping class groups. It is useful to know that there are unbounded quasi-homomorphisms which are bounded when restricted to particular subgroups since then one deduces that the mapping class group is not boundedly generated by these subgroups. In this note we enlarge the class of such subgroups. The generalization is motivated by considerations in first order theory of free groups.
dc.identifierhttps://arxiv.org/abs/math/0702273
dc.identifierhttp://arxiv.org/abs/math/0702273
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/123693
dc.subjectGroup Theory
dc.subjectGeometric Topology
dc.titleQuasi-homomorphisms on mapping class groups
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