Renormalized oscillation theory for regular linear non-Hamiltonian systems

DOI10.3934/CPAA.2022145zbMath1508.34011arXiv2205.05516MaRDI QIDQ6398891

Peter Howard

Publication date: 11 May 2022

Mathematics Subject Classification ID

Weyl theory and its generalizations for ordinary differential equations (34B20) Linear ordinary differential equations and systems (34A30) Oscillation theory, zeros, disconjugacy and comparison theory for ordinary differential equations (34C10) Lagrangian submanifolds; Maslov index (53D12) Linear boundary value problems for ordinary differential equations (34B05) Numerical approximation of eigenvalues and of other parts of the spectrum of ordinary differential operators (34L16) Eigenvalues, estimation of eigenvalues, upper and lower bounds of ordinary differential operators (34L15) Boundary eigenvalue problems for ordinary differential equations (34B09)

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