Numerical Invariants for Semiconjugacy of Homeomorphisms of the Circle

DOI10.2307/2045788zbMath0598.57030OpenAlexW4236441807MaRDI QIDQ3732576

Shigenori Matsumoto

Publication date: 1986

Full work available at URL: https://doi.org/10.2307/2045788

zbMATH Keywords

actions of a group on the circlebounded integral Euler classsemiconjugate

Mathematics Subject Classification ID

Groups acting on specific manifolds (57S25) Noncompact Lie groups of transformations (57S20) Dynamical systems and ergodic theory (37-XX)

Related Items (13)

Euler-Poincaré equations on semi-direct products ⋮ The translation number and quasi-morphisms on groups of symplectomorphisms of the disk ⋮ The group of quasi-isometries of the real line cannot act effectively on the line ⋮ BOUNDED COHOMOLOGY AND BINATE GROUPS ⋮ Second bounded cohomology of groups acting on 1-manifolds and applications to spectrum problems ⋮ Cohomologie bornée des surfaces et courants géodésiques ⋮ Spaces of surface group representations ⋮ Actions of the group of homeomorphisms of the circle on surfaces ⋮ Left-orderable groups that don't act on the line ⋮ Continuity of discrete homomorphisms of diffeomorphism groups ⋮ The space of circular orderings and semiconjugacy ⋮ Graph manifold ℤ-homology 3-spheres and taut foliations ⋮ Actions of groups of homeomorphisms on one-manifolds

Cites Work

• Unnamed Item
• Volume and bounded cohomology
• Bounded Cohomology of Certain Groups of Homeomorphisms
• Second homology of lie groups made discrete

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