instate
发表于 2025-3-30 08:19:15
Operators of Putinar Type,tion can be applied to any operator. By slightly modifying Putinar’s proof, it is shown that the construction yields an operator . which is nonzero (and sometimes one-to-one) for operators closely related to hyponormal operators.
脆弱么
发表于 2025-3-30 13:12:27
Some Multplicities for Contractions with Hilbert-Schmidt Defect,ty of the unitary piece of the minimal coisometric extension. The main ingredient in these results, and another equivalent multiplicity measure, is the . in an “.-fold analytic co-kernel” defined on the unit disk for such an operator.
2否定
发表于 2025-3-30 16:40:17
An Algebraic Characterization of Boundary Representations,lgebra is an admissable subalgebra of its .. —envelope, in the sense of Arveson, then it has a completely isometric representation such that the associated Hilbert module is simultaneously orthogonally projective and orthogonally injective.