Boundary value problems for a coupled system of second-order nonlinear difference equations
Advances in Difference Equations(2017)
摘要
We discuss the existence of nontrivial solutions to the boundary value problems for a coupled system of second-order nonlinear difference equations by using the critical point theory. The nontrivial solutions where neither of the components is identically zero are achieved under some sufficient conditions.
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关键词
boundary value problem, coupled system, nonlinear difference equation, critical point theory
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