Existence of solutions for subquadratic convex or $B$-concave operator equations and applications to second order Hamiltonian systems
This paper investigates solutions for subquadratic convex or $B$-concave operator equations. First, some existence results are obtained by the index theory and the critical point theory. Then, some applications to second order Hamiltonian systems satisfying generalized periodic boundary value condi...
Main Author: | Mingliang Song |
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Format: | Article |
Language: | English |
Published: |
University of Szeged
2020-07-01
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Series: | Electronic Journal of Qualitative Theory of Differential Equations |
Subjects: | |
Online Access: | http://www.math.u-szeged.hu/ejqtde/periodica.html?periodica=1¶mtipus_ertek=publication¶m_ertek=7893 |
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