1994/45/1-2 (9) — DOI: 10.5486/PMD.1994.1402 — pp. 103-114
Full Text Abstract

Nonlinear contractions in metrically convex space

Authors: Janusz Matkowski

Keywords: Menger-convex (metrically convex) space, nonlinear contraction, subadditive function, convex function, fixed point, set-valued function, functional equation

Mathematics Subject Classification: 47H10, 54H25, 26D20, 26A16, 26A51, 39B12