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置换空间P_BB_s中的一些逼近性质

Some Approximation Properties in the Substitution Spaces P_BB_s
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摘要 H.Mohebi与Sh.Rezapour在研究Banach空间中的逼近问题时,提出了quasi-Chebyshev子空间及ε-weakly Chebyshev子空间等概念,在文中作者就这些逼近性质在置换空间PBBs中进行了讨论. H. Mohebi and Sh. Rezapour gave the definitions of quasi-Chebyshev subspace and e-weakly Chebyshev subspace etc when they studied the approximation properties in Banach space. In the paper the authors discuss these properties in the substitution spaces PBBs.
作者 巩万中 周文
出处 《应用泛函分析学报》 CSCD 2007年第4期353-357,共5页 Acta Analysis Functionalis Applicata
基金 安徽师范大学青年科学基金(2007xqn54)
关键词 全函数空间 有界完备 (C—Ⅱ)性质 置换空间PBBs quasi—Chebyshev子空间 ε-weakly Chebyshev子空间 full function space (C-Ⅱ) property substitution spaces PBBs quasi-Chebyshev subspace e-weakly Chebyshev subspace
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  • 1王建华.关于度量投影的连续性(英文)[J].应用数学,1995,8(1):80-84. 被引量:19
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  • 5Mohebi, H. and Rezapour, Sh , On Sum and Quotient of Quasi-Chebyshev Subapaees in Banach Spaces, Submitted.
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  • 8Mohebi, H , Quasi-Chebyshev Subspaces in Dual Spaces, J Nat Geom , 20:1-2(2001), 33-44.
  • 9Mohebi, H , Some Results on Quasi-Chebyshev Subspaces, J Nat Geom , 19zl-2(2001),27-38.
  • 10Mohebi, H , Pseudo-Chebyshev Subspaces in L^1, Korean J Comput Appl Math , 7: 2(2000), 465-475.

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