On non-expansive mappings of Banach spaces

1964/07/01 by Michael Edelstein
Computer Science · Mathematics · #Advanced Banach Space Theory #Fixed Point Theorems Analysis #Optimization and Variational Analysis

paper · doi:10.1017/s0305004100037956

openalex publication_date 1964/07/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/05/21

Abstract

Let f : X → X be a mapping of the metric space X into itself. We call f non-expansive if

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