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In this paper, multiple positive solutions for semipositone discrete eigenvalue problems are obtained by using a three critical points theorem for nondifferentiable functional. Keywords—Discrete eigenvalue problems, positive solutions, semipositone, three critical points theorem
In this paper, the existence of infinitely many positive solutions for discrete fourth-order Lid stone problem is studied by applying a theorem based on algebraic topology method.
In this paper, the existence, multiplicity and noexistence of positive solutions for a class of semipositone discrete boundary value problems with two parameters is studied by applying nonsmooth critical point theory and sub-super solutions method. Keywords—Discrete boundary value problems, nonsmooth critical point theory, positive solutions, semipositone,… (More)