Study on Geometric group theory
Study on Geometric group theory
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
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
ホームページ等。
主页等
DOI:
--
发表时间:
期刊:
影响因子:
--
作者:
[]
通讯作者:
Subgroups generated by two pseudo-Anosov elements in a mapping class group. I. Uniform exponential growth
由映射类组中的两个伪 Anosov 元素生成的子组。
DOI:
--
发表时间:
2008
期刊:
"Groups of Diffeomorphisms", Advanced studies of pure math, Mathematical Society of Japan 52
影响因子:
--
作者:
[Morita,S., Penner,R.C., Torelli groups, Nakahiro Yoshida, K.Tanaka, Koji Fujiwara]
通讯作者:
Koji Fujiwara
共 22 条
Automorphisms of groups and limit elements
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批准号:23654019
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项目类别:Grant-in-Aid for Challenging Exploratory Research
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资助金额:$2.33万
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财政年份:2011
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负责人:FUJIWARA Koji
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依托单位:
RESEARCH FOR INTERNATIONAL STANDARD ON MEASUREMENT METHOD OF MAGNETIC PROPERTIES BY MEANS OF A SINGLE SHEET TESTER EQUIPPED WITH H-COIL
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批准号:20360131
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项目类别:Grant-in-Aid for Scientific Research (B)
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资助金额:$9.65万
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财政年份:2008
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负责人:FUJIWARA Koji
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依托单位:
Geometric group theory and hyperbolic geometry
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批准号:17540057
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项目类别:Grant-in-Aid for Scientific Research (C)
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资助金额:$2.18万
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财政年份:2005
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负责人:FUJIWARA Koji
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依托单位:
Geometric study of infinite discrete groups
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批准号:14540055
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项目类别:Grant-in-Aid for Scientific Research (C)
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资助金额:$2.62万
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财政年份:2002
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负责人:FUJIWARA Koji
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依托单位:
Vector Magnetic Properties Oriented to Magnetic Field Analysis
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批准号:13555081
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项目类别:Grant-in-Aid for Scientific Research (B)
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资助金额:$4.42万
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财政年份:2001
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负责人:FUJIWARA Koji
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依托单位:
海外基金