| Banach空间有正规结构的充分条件和不动点性质 |
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| 引用本文： | 杨祥钊,伍一平,孙钰. Banach空间有正规结构的充分条件和不动点性质[J]. 广西师范学院学报（自然科学版）, 2009, 0(3): 6-9 |
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| 作者姓名： | 杨祥钊 伍一平 孙钰 |
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| 作者单位： | 广西师范学院数学科学学院,广西南宁530001 |
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| 基金项目： | 广西自然科学基金项目[桂科自0728050] |
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| 摘 要： | 设X是Banach空间，该文用广义James常数J（t，X）估计弱收敛序列常数WCS（X），证明了：f（t，X）〈1＋t/（R（1,X）时，X有正规结构和X满足（DL）－条件．这个结论推广了Eva M．Maxcunan—NaVarro和B．Gavira的结果．
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| 关 键 词： | 弱收敛序列常数 James常数 正规结构 Banach空间 |
Some Sufficient Conditions for Normal Structure in Banach Spaces and Fixed Point Properties |
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| YANG College of Mathematical Sciences,Xiang-zhao,WU Yi-ping,SUN Yu. Some Sufficient Conditions for Normal Structure in Banach Spaces and Fixed Point Properties[J]. Journal of Guangxi Teachers College(Natural Science Edition), 2009, 0(3): 6-9 |
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| Authors: | YANG College of Mathematical Sciences Xiang-zhao WU Yi-ping SUN Yu |
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| Affiliation: | Guangxi Teachers Education University, Nanning 530001, China) |
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| Abstract: | We proved that if the generalized James constant of a Banach space is satisfying, then normal structure is obtained to satisfy the （DL） condition, which popularizes Eva M. Mazcundn-Navarro＇s result and B. Gavira＇s result, respectively. |
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| Keywords: | the weak convergence sequence constants James constant normal structure Banach space |
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