Inertia
发表于 2025-4-1 02:50:56
Oliver Bendel,Nick Lin-Hi,Andreas Suchaneknce of the orthogonal projections onto invariant subspaces of the operators A and B = A + V. These results extend the celebrated Davis-Kahan tan 2Θ Theorem. On this basis we also prove new existence and uniqueness theorems for contractive solutions to the operator Riccati equation, thus, extending recent results of Adamyan, Langer, and Tretter.
释放
发表于 2025-4-1 07:31:21
Oliver Bendel,Nick Lin-Hi,Andreas Suchanek-theoretic characterization of when a free semigroupoid algebra with countable graph is partly free. This analysis carries over to norm closed quiver algebras. We also discuss new examples for the countable graph case.
外观
发表于 2025-4-1 13:14:03
The Schur Algorithm for Generalized Schur Functions IV: Unitary Realizations,tain one-sidedness is replaced by a two-sidedness, comparable to the difference between the unilateral shift on one-sided sequences and the shift on two-sided sequences. We follow a direct approach in line with [., ., .].
嬉耍
发表于 2025-4-1 17:05:44
Rational Solutions of the Schlesinger System and Isoprincipal Deformations of Rational Matrix Functnverse is also true in the non-resonant case, but not in general..In the forthcoming sequel we shall give an explicit description of a class of rational solutions of the Schlesinger system, based on the techniques developed here, and the realization theory for rational matrix functions.
figure
发表于 2025-4-1 20:32:35
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Estrogen
发表于 2025-4-1 23:48:42
Partly Free Algebras From Directed Graphs,-theoretic characterization of when a free semigroupoid algebra with countable graph is partly free. This analysis carries over to norm closed quiver algebras. We also discuss new examples for the countable graph case.
GEST
发表于 2025-4-2 04:28:53
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最低点
发表于 2025-4-2 07:45:27
0255-0156 OTA 2002 workshop at Virginia Tech, reflecting lectures, tal.Many developments on the cutting edge of research in operator theory and its applications are reflected in this collection of original and review articles. Particular emphasis lies on highlighting the interplay between operator theory and