Research Article

Binormal block Toeplitz operators with matrix valued circulant symbols

Published in: Quaestiones Mathematicae
Volume 49 , issue 4 : Entrepreneurship and Africa’s Cultural Context , 2024 , pages: 505–523

DOI: 10.2989/16073606.2025.2598007

Author(s): Nihat Gökhan Göğüş Sabanci University Istanbul, Turkey, Rewayat Khan Sabanci University Istanbul, Turkey, Eungil Ko Ewha Womans University, Korea, Ji Eun Lee Sejong University, Republic of Korea,

Keywords: Primary: 47B35, Secondary: 47B32, 30D20, Hardy Hilbert space, Toeplitz operator, circulant matrices,

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Abstract

This paper focuses on the binormality of block Toeplitz operators with matrix valued circulant symbols. We also study some Γ-dilations of Toeplitz operators. Moreover, we also analyze the invariant subspace of Toeplitz operators with matrix-valued symbols.

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Research Article

Binormal block Toeplitz operators with matrix valued circulant symbols

Abstract

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