On counting the number of eigenvalues in the right half-plane for spectral problems connected with hyperbolic systems. I: Solvability of the Lyapunov equation
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Publication:1358052
DOI10.1007/BF02104860zbMath0887.35112OpenAlexW2075576783MaRDI QIDQ1358052
Publication date: 25 May 1998
Published in: Siberian Mathematical Journal (Search for Journal in Brave)
Full work available at URL: https://doi.org/10.1007/bf02104860
Estimates of eigenvalues in context of PDEs (35P15) Initial value problems for higher-order hyperbolic equations (35L30)
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