共查询到10条相似文献,搜索用时 31 毫秒
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Julio Flores 《Journal of Mathematical Analysis and Applications》2009,354(2):657-663
The notion of disjointly homogeneous Banach lattice is introduced. In these spaces every two disjoint sequences share equivalent subsequences. It is proved that on this class of Banach lattices the product of a regular AM-compact and a regular disjointly strictly singular operators is always a compact operator. 相似文献
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We give a necessary and sufficient condition for the nilpotent operators to be similiar to irreducible operators, and give
an answer to D. A. Herrero Conjectures for nilpotent operators. 相似文献
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主要研究了T是广义弱亚正规算子时,T~t是拟正规算子的充要条件是T是拟正规算子.并且举例说明了存在非次正规的广义弱亚正规算子T使得T~t是次正规的. 相似文献
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We discuss the possibility of applying linear structures for solving nonlinear differential equations. 相似文献
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Mustapha Raïssouli 《Linear and Multilinear Algebra》2013,61(9):1153-1168
In this paper we extend the stability and stabilizability concepts from the case that the variables are positive real numbers to the case that the variables are positive linear operators. Since the algebra of bounded linear operators is not commutative, such extension does not appear to be obvious. As applications, iterative operator algorithms, converging to some operator means, are discussed. 相似文献
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考虑了von Neumann形式的自伴延拓和以Calkin方法给出的自伴延拓之间的关系,证明了这两种自伴延拓是一致的并可以互相转化的. 相似文献
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本文用算子函数论的方法,研究了解析算子函数的Banach空间X,X0上的复合算子.给出此复合算子为有界的条件,并刻划了此复合算子在X0上为紧的特征. 相似文献