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Study on Geometric group theory

Study on Geometric group theory
几何群论研究
批准号:
19340013
负责人:
FUJIWARA Koji
金额:
$11.48万
依托单位:
依托单位国家:
日本
项目类别:
Grant-in-Aid for Scientific Research (B)
财政年份:
2007
资助国家:
日本
项目状态:
已结题
起止时间:
2007 至 2010

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中文摘要
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英文摘要
Hyperbolic group was invented by Gromov in 80's. We aim to use hyperbolicity in broader objects. We constructed many quasi-homomorphisms on Kac-Moody groups. We obtained a first finitely presented, simple group with infinite commutator width (with Caprace). Using quasi-homomorphisms, we characterized rank-1 manifolds among complete Riemann manifold of non-positive curvature of finite volume (with Bestvina).
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DOI: 10.3336/gm.42.1.15
发表时间: 2007-02
期刊: Glasnik Matematicki
影响因子: 0.4
作者: [M. Bestvina;K. Fujiwara]
通讯作者: M. Bestvina;K. Fujiwara
Hyperbolicity, quasi-homomorphisms and stable commutator length.
双曲性、准同态和稳定换向器长度。
DOI: --
发表时间: 2007
期刊:
影响因子: --
作者: [A.J.Bene, N.Kawazumi, R.C., 高山茂晴, N.Yoshida, Koji Fujiwara, M.Ue, Hiroshi Ohta, K.-I. Yoshikawa, Takagi S., Koji fujiwara, Hiroshi Ohta, N. Yoshida, Koji Fujiwara]
通讯作者: Koji Fujiwara
Rank one isometries of buildings and quasi-morphisms of Kac-Moody groups.
Kac-Moody 群的建筑物和拟态射的一阶等距。
DOI: --
发表时间: 2010
期刊: Geom.andFunct.Anal 19,Number5
影响因子: --
作者: [Pierre-Emmanuel Caprace, Koji Fujiwara]
通讯作者: Koji Fujiwara
DOI: --
发表时间:
期刊:
影响因子: --
作者: []
通讯作者:
22
    Automorphisms of groups and limit elements
    RESEARCH FOR INTERNATIONAL STANDARD ON MEASUREMENT METHOD OF MAGNETIC PROPERTIES BY MEANS OF A SINGLE SHEET TESTER EQUIPPED WITH H-COIL
    • 批准号:
      20360131
    • 项目类别:
      Grant-in-Aid for Scientific Research (B)
    • 资助金额:
      $9.65万
    • 财政年份:
      2008
    • 负责人:
      FUJIWARA Koji
    • 依托单位:
    Geometric group theory and hyperbolic geometry
    • 批准号:
      17540057
    • 项目类别:
      Grant-in-Aid for Scientific Research (C)
    • 资助金额:
      $2.18万
    • 财政年份:
      2005
    • 负责人:
      FUJIWARA Koji
    • 依托单位:
    Geometric study of infinite discrete groups
    • 批准号:
      14540055
    • 项目类别:
      Grant-in-Aid for Scientific Research (C)
    • 资助金额:
      $2.62万
    • 财政年份:
      2002
    • 负责人:
      FUJIWARA Koji
    • 依托单位:
    海外基金