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统计收敛与理想收敛及理想生成的闭子空间的研究

On Statistic Convergence and Ideal Convergence and the Closed Subspace Generated by the Ideal
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摘要 证明了对任意的统计测度μ∈T,令Iμ={A■N∶μ(A)=0},则Banach空间X中的序列{xn}统计收敛于x等价于{xn}理想Iμ收敛于x。再设I任一严格理想,X1=span{χA∶A∈I}l∞,UI={μ∈F,μ(A)=0,A∈I},则UI≌X⊥I,进而XB≌c0。 Abstract: This paper shows that for any statistical measure p. e T and letting μ∈T,Iμ={A Nμ(A)=0}, then the sequence {xn} in Banach space X statisticaUy convergent to x is equivalent to {xn} ideal I. convergent to x. In addition, let I be a proper ideal, X1=span{XA∈I) Im,UI={μ∈F,μ(A)=0,∨A∈I}, then UI≌XI, and furtbet XB≌c0.
作者 周仙耕
出处 《三明学院学报》 2012年第4期17-19,共3页 Journal of Sanming University
基金 福建省教育厅科技项目(JA11275 JB10192)
关键词 统计收敛 理想收敛 BANACH空间 statistical convergence ideal convergence Banach space.
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