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Flexibility of Group Actions on the Circle / by Sang-hyun Kim, Thomas Koberda, Mahan Mj
(Lecture Notes in Mathematics. ISSN:16179692 ; 2231)
版 | 1st ed. 2019. |
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出版者 | (Cham : Springer International Publishing : Imprint: Springer) |
出版年 | 2019 |
本文言語 | 英語 |
大きさ | X, 136 p. 33 illus., 2 illus. in color : online resource |
著者標目 | *Kim, Sang-hyun author Koberda, Thomas author Mj, Mahan author SpringerLink (Online service) |
件 名 | LCSH:Group theory LCSH:Dynamical systems LCSH:Manifolds (Mathematics) LCSH:Algebra FREE:Group Theory and Generalizations FREE:Dynamical Systems FREE:Manifolds and Cell Complexes FREE:Order, Lattices, Ordered Algebraic Structures |
一般注記 | - Introduction -- Preliminaries -- Topological Baumslag Lemmas. - Splittable Fuchsian Groups. - Combination Theorem for Flexible Groups. - Axiomatics. - Mapping Class Groups. - Zero Rotation Spectrum and Teichmüller Theory In this partly expository work, a framework is developed for building exotic circle actions of certain classical groups. The authors give general combination theorems for indiscrete isometry groups of hyperbolic space which apply to Fuchsian and limit groups. An abundance of integer-valued subadditive defect-one quasimorphisms on these groups follow as a corollary. The main classes of groups considered are limit and Fuchsian groups. Limit groups are shown to admit large collections of faithful actions on the circle with disjoint rotation spectra. For Fuchsian groups, further flexibility results are proved and the existence of non-geometric actions of free and surface groups is established. An account is given of the extant notions of semi-conjugacy, showing they are equivalent. This book is suitable for experts interested in flexibility of representations, and for non-experts wanting an introduction to group representations into circle homeomorphism groups HTTP:URL=https://doi.org/10.1007/978-3-030-02855-8 |
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電子ブック | 配架場所 | 資料種別 | 巻 次 | 請求記号 | 状 態 | 予約 | コメント | ISBN | 刷 年 | 利用注記 | 指定図書 | 登録番号 |
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電子ブック | オンライン | 電子ブック |
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Springer eBooks | 9783030028558 |
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電子リソース |
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EB00236177 |
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