温顺
发表于 2025-3-23 09:49:12
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Ornithologist
发表于 2025-3-23 17:04:05
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欺骗世家
发表于 2025-3-23 19:54:10
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元音
发表于 2025-3-23 23:14:33
,A Method for Constructing Invariant Subspaces for Some Operators on Kreĭn Spaces,, subspaces for a class of operators on Kreĭn spaces known as weakly definitizable operators. This includes, among others, the definitizable selfadjoint and definitizable unitary operators. A simple proof of the existence of an orthogonal pair of maximal definite invariant subspaces for positive ope
热心助人
发表于 2025-3-24 04:56:53
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linguistics
发表于 2025-3-24 08:20:36
Antitonicity of the Inverse and J-Contractivity, of positive invertible operators, i.e., given two such operators . and ., (⋆). ≤ . ⇒ .. ≥ ... In this paper recent work by Shmul’yan [.] and the authors [.] on the extension of (⋆) to the case of selfadjoint invertible . and . is reviewed. Some of the results in [.] and [.] are here given different
减少
发表于 2025-3-24 12:40:11
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FLAIL
发表于 2025-3-24 17:15:52
The Kobayashi Distance between two Contractions,define the Kobayashi pseudodistance on the closed unit ball .. of .(.), where .(.) is the algebra of all bounded linear operators on the Hubert space .. The main result of the paper asserts the fact the Kobayashi pseudodistance is a true distance on the . of ... Some connections between Pick conditi
Bombast
发表于 2025-3-24 22:45:29
The Category of Quotient Bornological Spaces,how I arrived in spaces with a boundedness, then in quotient spaces..Exactness is important in algebra. In Functional Analysis, we use exactness. I describe an abelian category . which contains the category . of b-spaces and linear bounded mappings. Its objects are couples ..∣... Morphisms should be
Inculcate
发表于 2025-3-25 00:43:17
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