Takefumi Kondo

Assistant professor(CREST) 

 

E-mail  takefumi(at)math.tohoku.ac.jp

 

 

 

PapersConferences

 

【Papers】

 

・CAT(0) spaces and expanders,
Takefumi Kondo,
Mathematische Zeitschrift, 271:343-355
2012年 6月 [査読有り]

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【Conferences】

 

" Fixed point property for uniformly convex spaces '',
Geometric group theory and K-theory,
RIMS International Camp on Discrete Geometry,
Toba Seaside Hotel,
2012年6月14日.

 

“一様凸空間に対する群作用の固定点定理“,
東北大学幾何セミナー,
東北大学,
2012年5月8日.

 

”Poincare inequality and fixed point property of isometric group actions”,
研究集会”Group actions and K-theory”,
京都大学,
2012年3月15日.

 

”Rationality of growth series”,
Mini-workshop ”Growth”,
Osaka City University,
2012年2月21日.

 

”Wirtingerの不等式と非線形スペクトルギャップ”,
淡路島幾何学研究集会2012,
国民宿舎 慶野松原荘,
2012年1月28日.

 

”ポアンカレ不等式と CAT(0) 空間”,
多様体上の微分方程式,
金沢大学サテライトプラザ,
2011年11月12日.

 

”有限グラフの非線形スペクトルギャップ”,
第58回幾何学シンポジウム,
山口大学 吉田キャンパス,
2011年8月28日.

 

”双曲群入門(1), (2)”,
幾何学阿蘇研究集会,
休暇村南阿蘇,
2011年8月21日, 22日.

 

”CAT(0) spaces and nonlinear spectral gap”', Long Term Workshop Geometry and Analysis,
京都大学,
2011年3月16日.

 

”CAT(0) spaces and nonlinear spectral gap”, S\'eminaire Analyse et G\'eom\'etrie, Chevaleret パリ第7大学,
2011年3月2日.

 

”距離空間のマルコフタイプ”,
淡路島幾何学研究集会2011,
国民宿舎 慶野松原荘,
2011年2月12日.

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【Posted on February 12, 2021】

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