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Research on geometric constants and norm inequalities in Banach spaces and their applications

Research on geometric constants and norm inequalities in Banach spaces and their applications
Banach空间中几何常数和范数不等式的研究及其应用
批准号:
19540196
负责人:
TAKAHASHI Yasuji
金额:
$2.83万
依托单位国家:
日本
项目类别:
Grant-in-Aid for Scientific Research (C)
财政年份:
2007
资助国家:
日本
项目状态:
已结题
起止时间:
2007 至 2009

项目摘要

项目成果

TAKAHASHI Yasuji的其他基金

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中文摘要
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英文摘要
We studied geometric constants and norm inequalities in Banach spaces. In particular the relation between James and von Neumann-Jordan constants was discussed intensively, and we obtained a quite simple inequality about these two constants. This answers affirmatively a question posed by Alonso-Martin-Papini, and improves all previous results concerning these inequalities. We also investigated refined generalizations of norm inequalities.
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会议论文
On sharp estimates concerning von Neumann-Jordan and James constants for a Banach space
关于巴拿赫空间的冯·诺依曼-乔丹和詹姆斯常数的锐估计
DOI: --
发表时间: 2010
期刊: Rend. Circ. Mat. Palermo Serie II Suppl.82(to appear)
影响因子: --
作者: [M. Kato, Y. Takahashi]
通讯作者: Y. Takahashi
三角不等式の精密化とその応用
三角不等式的精化及其应用
DOI: --
发表时间: 2007
期刊: 京都大学数理解析研究所講究録 1570
影响因子: --
作者: [M. Kato, K. Saito, T. Tamura, Sin-Ei Takahasi, Sin-Ei Takahasi, Mikio Kato, 斎藤 吉助]
通讯作者: 斎藤 吉助
On the coefficient of weak orthogonality and normal structure
关于弱正交性和正规结构的系数
DOI: --
发表时间:
期刊: 京都大学数理解析研究所講究録 (to appear)
影响因子: --
作者: [S. Takahasi, J.M. Rassias, S. Saitoh, Y. Takahashi, Sin-Ei Takahasi, Takayuki Tamura]
通讯作者: Takayuki Tamura
On ψ-direct sums of Banach spaces
关于 Banach 空间的 ψ-直和
DOI: --
发表时间: 2008
期刊: 北海道大学数学講究録 128
影响因子: --
作者: [高橋泰嗣, 加藤幹雄, Y. Takahashi, Takeshi Miura, Takeshi Miura, Sin-Ei Takahasi, 田村高幸, 高橋泰嗣, 高橋泰嗣, 加藤 幹雄]
通讯作者: 加藤 幹雄
47
    RESEARCH ON STRUCTURE THEORY OF BANACH SPACES AND NORM INEQUALITIES WITH APPLICATIONS
    • 批准号:
      15540179
    • 项目类别:
      Grant-in-Aid for Scientific Research (C)
    • 资助金额:
      $2.3万
    • 财政年份:
      2003
    • 负责人:
      TAKAHASHI Yasuji
    • 依托单位:
    RESEARCH ON NORM INEQUALITIES IN BANACH SPACES AND ITS APPLICATIONS
    • 批准号:
      13640188
    • 项目类别:
      Grant-in-Aid for Scientific Research (C)
    • 资助金额:
      $2.18万
    • 财政年份:
      2001
    • 负责人:
      TAKAHASHI Yasuji
    • 依托单位:
    RESEARCH ON STRUCTURAL THEORY OF BANACH SPACES AND ITS APPLICATIONS
    • 批准号:
      11640177
    • 项目类别:
      Grant-in-Aid for Scientific Research (C)
    • 资助金额:
      $0.96万
    • 财政年份:
      1999
    • 负责人:
      TAKAHASHI Yasuji
    • 依托单位:
    Research on Geometry and Probability in Banach Spaces and its Applications
    • 批准号:
      09640214
    • 项目类别:
      Grant-in-Aid for Scientific Research (C)
    • 资助金额:
      $1.92万
    • 财政年份:
      1997
    • 负责人:
      TAKAHASHI Yasuji
    • 依托单位: