Self-adjoint differential operators and curves on a Lagrangian Grassmannian, subject to a train

DOI10.1007/BF01138507zbMath0715.34090OpenAlexW2143652706MaRDI QIDQ752286

Valentin Ovsienko

Publication date: 1990

Published in: Mathematical Notes (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/bf01138507

zbMATH Keywords

Lagrangian GrassmannianSturm theoremsMaslov- Arnold indexself-adjoint differential equations

Mathematics Subject Classification ID

Related Items (3)

The Maslov and Morse indices for system Schroedinger operators on \mathBB{R} ⋮ Geometric invariants of fanning curves ⋮ Lagrangian configurations and symplectic cross-ratios

Cites Work

• Actions with a finite number of orbits
• Indicators of an entire function and the regularity of the growth of the Fourier coefficients of the logarithm of its modulus

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