A perturbation theorem for the equation −&Dgr;u + &lgr;u = up in unbounded domains
Nonlinear Analysis: Theory, Methods & Applications
Second order impulsive integro-differential equations on unbounded domains in Banach spaces
Nonlinear Analysis: Theory, Methods & Applications
Nonlinear Analysis: Theory, Methods & Applications
Journal of Computational and Applied Mathematics
Existence and asymptotic behavior of solutions of a boundary value problem on an infinite interval
Mathematical and Computer Modelling: An International Journal
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Boundary value problem of second-order differential equations on the half line is investigated in this paper. The method mainly depends on the calculus of variations to the classical functionals. Sufficient conditions are obtained for the existence of the solutions.