Existence of nonnegative solutions for nonlinear boundary value problems via pseudomonotone operators and nonsmooth critical point theory (JNCA)
Volume 6
Number 3
pp. 393-417

Existence of nonnegative solutions for nonlinear boundary value problems via pseudomonotone operators and nonsmooth critical point theory
Ravi P. Agarwal, Michael Filippakis, Donal O'Regan and Nikolaos S. Papageorgiou

Key words Mathematices Subject Classification
Scalar p-Laplacian, nonnegative solution, upper-lower solutions, locally Lipschitz function, nonsmooth critical point theory, nonuniform nonresonance 34B15, 34B18

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