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Ⅰ-fuzzy拓扑空间中的P-紧度
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作者 赵姣 王瑞英 韩刚 《数学的实践与认识》 北大核心 2018年第23期202-204,共3页
用不等式引入了Ⅰ-fuzzy拓扑空间中p-紧度的概念,并进一步讨论了其有关性质.
关键词 Ⅰ-fuzzy拓扑 pre-开集 值集 p-紧度
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Compact Composition Operators Mapping into the E0(p,q) Spaces
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作者 刘永民 《Journal of Mathematical Research and Exposition》 CSCD 北大核心 2002年第4期538-544,共7页
Composition operators are used to study the E0(p,q) spaces, which coincide with the space Qq,0 for p = 2 and the little Bloch space B0 for p > 0 and q > 1. The compactness of these operators is also considered. ... Composition operators are used to study the E0(p,q) spaces, which coincide with the space Qq,0 for p = 2 and the little Bloch space B0 for p > 0 and q > 1. The compactness of these operators is also considered. The criteria for these operators to be compact are given in terms of the Carlesou measure. 展开更多
关键词 Compact operator function space composition operator Bloch space Carleson measure.
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