Nonlinear boundary value problems with concave nonlinearities near the origin
- Cite this article as:
- Wang, ZQ. NoDEA, Nonlinear differ. equ. appl. (2001) 8: 15. doi:10.1007/PL00001436
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In this paper we consider the effect of concave nonlinearities for the solution structure of nonlinear boundary value problems such as Dirichlet and Neumann boundary value problems of elliptic equations and periodic boundary value problems for Hamiltonian systems and nonlinear wave equations.