摘要
令X是Banach空间,根据凸性U-模与凸性W*-模和弱正交系数之间的关系来证明Banach空间X具有正规结构.由此加强了一些已知的结论.
Let X be a Banach space. We present some sufficient conditions for which a Banach space X has normal structure by using the modulus of U - convexity, modulus of W^* - convexity and the coefficient of weak orthogonality
出处
《哈尔滨理工大学学报》
CAS
北大核心
2009年第2期26-29,共4页
Journal of Harbin University of Science and Technology
基金
supported by overseas fundation of Heilongjiang provience(10571037)