Approximability of the zeros of a function by the zeros of one of its asymptotic representations. Application to the solutions of linear second order differential equations

zbMath0556.34059MaRDI QIDQ761600

Anna Maria Bresquar

Publication date: 1983

Published in: Rendiconti del Seminario Matematico della Università di Padova (Search for Journal in Brave)

Full work available at URL: http://www.numdam.org/item?id=RSMUP_1983__69__77_0

zbMATH Keywords

counterexamplesregularly oscillatory function

Mathematics Subject Classification ID

Theoretical approximation of solutions to ordinary differential equations (34A45) Linear ordinary differential equations and systems (34A30) Asymptotic expansions of solutions to ordinary differential equations (34E05)

Cites Work

• On the zeros of the solutions of a class of second order linear differential equations
• Techniques of asymptotic analysis
• Sugli zeri delle funzioni di cui si conosce una rappresentazione asintotica
• Sulle funzioni ipergeometriche confluenti
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