A Quick Way to Prove the Existence of Centers in Two-Dimensional Almost Linear Systems

DOI10.1137/1034089zbMath0758.34019OpenAlexW2045023767MaRDI QIDQ4020268

Paul B. Massell

Publication date: 16 January 1993

Published in: SIAM Review (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1137/1034089

zbMATH Keywords

nonlinear oscillatorscenterlinear approximationtwo-dimensional system

Mathematics Subject Classification ID

Topological structure of integral curves, singular points, limit cycles of ordinary differential equations (34C05) Nonlinear oscillations and coupled oscillators for ordinary differential equations (34C15)

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Asymptotics beyond All Orders for a Certain Type of Nonlinear Oscillators

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