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On the determination of fixed points of piecewise constant monotone mappings in $$R^ n$$. (English. Russian original) Zbl 0492.47033
Sov. Math., Dokl. 24, 88-90 (1981); translation from Dokl. Akad. Nauk SSSR 259, 299-301 (1981).
##### MSC:
 47H10 Fixed-point theorems 26B25 Convexity of real functions of several variables, generalizations 90C25 Convex programming 52A40 Inequalities and extremum problems involving convexity in convex geometry 55M20 Fixed points and coincidences in algebraic topology