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Subjects
46-XX Functional analysis
46Cxx Inner product spaces and their generalizations, Hilbert spaces
46C20 Spaces with indefinite inner product (Kreĭn spaces, Pontryagin spaces, etc.)

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Displaying 1 – 4 of 4

On distortion of a class of analytic functions under a familly of operators

Yosaku Komatu (1996)

Banach Center Publications

Consider a family of integral operators and a related family of differential operators, both defined on a class of analytic functions holomorphic in the unit disk, distortion properties of the real part are derived from a general aspect.

On hyponormal operators in Krein spaces

Kevin Esmeral, Osmin Ferrer, Jorge Jalk, Boris Lora Castro (2019)

Archivum Mathematicum

In this paper the hyponormal operators on Krein spaces are introduced. We state conditions for the hyponormality of bounded operators focusing, in particular, on those operators $T$ for which there exists a fundamental decomposition $𝕂 = 𝕂^{+} \oplus 𝕂^{-}$ of the Krein space $𝕂$ with $𝕂^{+}$ and $𝕂^{-}$ invariant under $T$ .

On spectral distributions of definitizable operators in Krein space

Peter Jonas (1982)

Banach Center Publications

On the Kreĭn-Langer integral representation of generalized Nevanlinna functions.

Rovnyak, J., Sakhnovich, L. A. (2004)

ELA. The Electronic Journal of Linear Algebra [electronic only]

Currently displaying 1 – 4 of 4

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