Geodesic
Absence of solutions to the $\sigma$-commutation problem $(\sigma\ne 0$, $\pm 1)$ for Toeplitz and Hankel matrices in a special class
Zapiski Nauchnykh Seminarov POMI, Computational methods and algorithms. Part XXXVI, Tome 524 (2023), pp. 125-132 Cet article a éte moissonné depuis la source Math-Net.Ru

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It is established that the $\sigma$-commutation problem for Toeplitz and Hankel matrices has no solutions in a particular subset. 
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V. N. Chugunov. Absence of solutions to the $\sigma$-commutation problem $(\sigma\ne 0$, $\pm 1)$ for Toeplitz and Hankel matrices in a special class. Zapiski Nauchnykh Seminarov POMI, Computational methods and algorithms. Part XXXVI, Tome 524 (2023), pp. 125-132. http://geodesic.mathdoc.fr/item/ZNSL_2023_524_a9/

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