Hostname: page-component-848d4c4894-x24gv Total loading time: 0 Render date: 2024-06-08T08:18:05.939Z Has data issue: false hasContentIssue false

The existence of unbounded solutions of asymmetric oscillations in the degenerate resonant case

Published online by Cambridge University Press:  15 February 2023

Min Li
Affiliation:
School of Mathematical Sciences, Ocean University of China, Qingdao 266100, People's Republic of China (limin@ouc.edu.cn)
Xiong Li
Affiliation:
Laboratory of Mathematics and Complex Systems (Ministry of Education), School of Mathematical Sciences, Beijing Normal University, Beijing 100875, People's Republic of China (xli@bnu.edu.cn)

Abstract

We prove the existence of unbounded solutions of the asymmetric oscillation in the case when each zero of the discriminative function is degenerate. This is the only case that has not been studied in the literature.

Type
Research Article
Copyright
Copyright © The Author(s), 2023. Published by Cambridge University Press on behalf of The Royal Society of Edinburgh

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

Alonso, J. and Ortega, R.. Roots of unity and unbounded motions of an asymmetric oscillator. J. Differ. Equ. 143 (1998), 201220.CrossRefGoogle Scholar
Dancer, E.. On the Dirichlet problem for weakly nonlinear partial differential equations. Proc. R. Soc. Edinb., Sect. A, Math. 76 (1977), 283300.CrossRefGoogle Scholar
Fuçik, S.. Solvability of Nonlinear Equations and Boundary Value Problems (Dordrecht: Reidel, 1980).Google Scholar
Gallouet, T. and Kavian, O.. Resonance for jumping nonlinearities. Commun. Partial Differ. Equ. 7 (1982), 325342.CrossRefGoogle Scholar
Habets, P., Ramos, M. and Sanchez, L.. Jumping nonlinearities for Neumann boundary value problems with positive forcing. Nonlinear Anal. 20 (1993), 533549.CrossRefGoogle Scholar
Hu, S., Liu, B. and Liu, R.. Invariant curves for quasi-periodic area-preserving mappings and its application, preprint.Google Scholar
Lazer, A. and McKenna, P.. A semi-Fredholm principle for periodically forced systems with homogeneous nonlinearities. Proc. Am. Math. Soc. 106 (1989), 119125.CrossRefGoogle Scholar
Lazer, A. and McKenna, P.. Large-amplitude periodic oscillations in suspensions bridges: some new connections with nonlinear analysis. SIAM Rev. 32 (1990), 537578.CrossRefGoogle Scholar
Li, M. and Li, X.. Unbounded solutions for asymmetric oscillations in the degenerate resonant case, preprint.Google Scholar
Li, M. and Li, X.. Boundedness in asymmetric oscillations under the non-resonant case. J. Differ. Equ. 274 (2021), 828856.CrossRefGoogle Scholar
Liu, B.. Boundedness in asymmetric oscillations. J. Math. Anal. Appl. 231 (1999), 355373.CrossRefGoogle Scholar
Ortega, R.. Asymmetric oscillators and twist mappings. J. London Math. Soc. 53 (1996), 325342.CrossRefGoogle Scholar
Ortega, R.. On Littlewood's problem for the asymmetric oscillator. Milan J. Math. 68 (1998), 153164.Google Scholar
Ortega, R.. Invariant curves of mappings with averaged small twist. Adv. Nonlinear Stud. 1 (2001), 1439.CrossRefGoogle Scholar
Xing, X., Wang, J. and Wang, Y.. Boundedness of semilinear Duffing equations at resonance in a critical situation. J. Differ. Equ. 266 (2019), 22942326.CrossRefGoogle Scholar
Zhang, M.. Nonresonance conditions for asymptotically positively homogeneous differential systems: the Fuçik spectrum and its generalization. J. Differ. Equ. 145 (1998), 332366.CrossRefGoogle Scholar