In this paper we present compression-expansion fixed point theorems in cones where the compression and the expansion conditions are expressed in two norms.
Department of Mathematics Babes-Bolyai University, Cluj-Napoca, Romania
Positive solution; fixed point; cone; boundary value problem.
R. Precup, Compression-expansion fixed point theorems in two norms, Annals of the Tiberiu Popoviciu Seminar 3 (2005), 157-163.
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Annals of the Tiberiu Popoviciu Seminar
of Functional Equations, Approximation and Convexity
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