次自反空间的某些存在特征
Some existent characterizations on sub-reflexive spaces
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摘要: 一个赋泛线性空间次自反,其稠子空间则未必次自反;讨论某些稠子空间次自反的存在特征,证明某些Banach空间稠子空间次自反的存在条件.Abstract: If a norm linear space is sub-reflexive,then it’s dens sub-spaces are not certainly to be that.Some existent characterizations on sub-reflexive of dens sub-spaces in Banach spaces are discussed and some existent conditions of dens sub-reflexive sub-spaces are proved.