Multiple nonnegative solutions to singular and nonsingular discrete problems
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This paper establishes the existence of two nonnegative solutions to (n,p) and (p,n — p) focal discrete boundary value problems. Our results rely on new lower type inequalities established in [4, 5].
Keywords. Higher order discrete problems, multiple solutions, Leray—Schauder alternative, Krasnoselskii's fixed point theorem, lower type inequalities.
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© Birkhäuser Verlag, Basel, 2001