Geodesic
Location of the spectrum of a matrix in a domain bounded by a parabola
Matematičeskie trudy, Tome 27 (2024) no. 4, pp. 93-114 Cet article a éte moissonné depuis la source Math-Net.Ru

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The paper studies the problem of the location of the matrix spectrum inside the region bounded by a parabola. An algorithm for solving this spectral problem is proposed in terms of solving some generalized Lyapunov matrix equation. 
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V. S. Prokhorov. Location of the spectrum of a matrix in a domain bounded by a parabola. Matematičeskie trudy, Tome 27 (2024) no. 4, pp. 93-114. http://geodesic.mathdoc.fr/item/MT_2024_27_4_a5/

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