Comparative index and Lidskii angles for symplectic matrices
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Publication:2029828
DOI10.1016/j.laa.2021.04.012zbMath1467.37055OpenAlexW3155642005MaRDI QIDQ2029828
Peter Šepitka, Roman Šimon Hilscher
Publication date: 4 June 2021
Published in: Linear Algebra and its Applications (Search for Journal in Brave)
Full work available at URL: https://doi.org/10.1016/j.laa.2021.04.012
Lagrangian subspacecomparative indexconjoined basisargument of symplectic matrixdual comparative indexLidskii angle
Symplectic manifolds (general theory) (53D05) Oscillation theory, zeros, disconjugacy and comparison theory for ordinary differential equations (34C10) Special matrices (15B99) Relations of finite-dimensional Hamiltonian and Lagrangian systems with Lie algebras and other algebraic structures (37J37)
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