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On some variational algebraic problems
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DOI：10.1515/anona-2012-0028.png)
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Abstract
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In this paper by exploiting critical point theory, the existence of two distinct nontrivial solutions for a nonlinear algebraic system with a parameter is established. Our goal is achieved by requiring an appropriate behavior of the nonlinear term f at zero and at infinity. Some applications to difference equations are also presented.
Keywords:
Discrete nonlinear boundary value problems
multiple solutions
difference equations
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