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Toeplitz Operators Associated with the Deformed Windowed Fourier Transform

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Abstract

This article deals with the study of Toeplitz operators associated with the deformed windowed Fourier transform. The primary aim is to study the Toeplitz operators, particular their trace class properties and demonstrate that they belong to the Schatten-von Neumann class of operators. Nevertheless, significant attention is also devoted to a spectral analysis by examining the eigenvalues and eigenfunctions of the time-frequency Toeplitz operator. Towards the culmination, the spectrograms associated with the deformed windowed Fourier transform are also studied in detail.

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Correspondence to Firdous A. Shah.

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Communicated by Palle Jorgenson.

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This article is part of the topical collection “Harmonic Analysis and Operator Theory” edited by H. Turgay Kaptanoglu, Andreas Seeger, Franz Luef and Serap Oztop.

Hatem Mejjaoli thanks professors K. Trimèche and M.W. Wong for their helps.

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Mejjaoli, H., Shah, F.A. & Sraieb, N. Toeplitz Operators Associated with the Deformed Windowed Fourier Transform. Complex Anal. Oper. Theory 16, 31 (2022). https://doi.org/10.1007/s11785-022-01210-1

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