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math.FA2025
Binormal block Toeplitz operators with matrix valued circulant symbols
Nihat Gokhan Gogus, Rewayat Khan, Eungil Ko +1
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 anal…
math.NA2025
Rigorous Perturbation Bounds for the QX Decomposition for Centrosymmetric Matrices
Aamir Farooq, Rewayat Khan, Uzma Rani +1
Konrad Burnik suggests a structure-preserving QR factorization for centrosymmetric matrices, known as QX factorization. In this article, we obtain the explicit expressions for rigo…