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基与拟基的关系(英文)

Some Relations Between Certain Bases and Quasi-bases
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摘要 我们研究了某些基与拟基的关系,证明了空间具有有限秩的基当且仅当它有有限秩的拟基,空间具有正交基当且仅当它有正交的拟基. We investigate the relations between certain bases and quasi-bases, prove that a space has finite rank base if and only if it has finite rank quasi-base, a space has an ortho-base if and only if it has an ortho-quasi-base.
出处 《数学进展》 CSCD 北大核心 2007年第1期23-28,共6页 Advances in Mathematics(China)
基金 This work is supported by the NSFC(No.10271026) the SDPSF(No.Y2004A03).
关键词 拟基 对基 单调正规 base quasi-base pair-base rank monotonically normal
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