Open AccessExistence of solutions for subquadratic convex or $B$-concave operator equations and applications to second order Hamiltonian systems
Author(s) -
Mingliang Song
Publication year - 2020
Publication title -
electronic journal of qualitative theory of differential equations
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.524
H-Index - 33
ISSN - 1417-3875
DOI - 10.14232/ejqtde.2020.1.49
Subject(s) - mathematics , regular polygon , operator (biology) , concave function , order (exchange) , hamiltonian (control theory) , pure mathematics , mathematical analysis , combinatorics , mathematical optimization , geometry , finance , repressor , transcription factor , economics , gene , biochemistry , chemistry
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