Incisor
发表于 2025-3-27 00:59:44
Bi-Isometries and Commutant Lifting,tion is based on the canonical model of Sz.-Nagy and the third author. One approach to describing the invariant subspaces for such a bi-isometry using this model is to consider isometric intertwining maps from another such model to the given one. Representing such maps requires a careful study of th
nerve-sparing
发表于 2025-3-27 02:44:30
The One-sided Ergodic Hilbert Transform of Normal Contractions,gence are equivalent, and show that the convergence is equivalent to convergence of the series .. When ., the transform is shown to be precisely minus the infinitesimal generator of the strongly continuous semi-group {(.−.).}.≥0..The equivalence of weak and strong convergence of the transform is pro
CURL
发表于 2025-3-27 08:54:06
Model Reduction in Symbolically Semi-separable Systems with Application to Pre-conditioners for 3Din the literature that their impact can be fairly easily extended to semi-separable systems or even larger classes build on semi-separable ideas. In this paper, we propose and evaluate a new type of preconditioners for the class of matrices that have a two level deep ‘symbolically hierarchical semi
formula
发表于 2025-3-27 12:36:15
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油毡
发表于 2025-3-27 15:08:45
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灵敏
发表于 2025-3-27 18:00:29
On Some Interrelations Between ,-Potapov Functions and ,-Potapov Sequences, at the origin. A complete characterization of the sequences of Taylor coefficients of functions from . is given. Moreover, the generalization of the matricial Schur problem for the class . is treated. A complete description of the set of solutions is given in the nondegenerate and degenerate cases.
消瘦
发表于 2025-3-27 23:07:37
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Melanoma
发表于 2025-3-28 05:26:56
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伦理学
发表于 2025-3-28 10:05:28
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耐寒
发表于 2025-3-28 13:49:05
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