Hartman–Stampacchia Theorems, Gale–Nikaidô–Debreu Lemma, and Brouwer and Kakutani Fixed-Point Theorems.

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Bibliographic Details
Title: Hartman–Stampacchia Theorems, Gale–Nikaidô–Debreu Lemma, and Brouwer and Kakutani Fixed-Point Theorems.
Authors: Gourdel, Pascal1, pascal.gourdel@univ-paris1.fr, Le Van, Cuong2, cuong.levan@univ-paris1.fr, Pham, Ngoc-Sang3, npham@em-normandie.fr, Tran Viet, Cuong4, tranviet14@gmail.com
Source: Journal of Optimization Theory & Applications; Apr2026, Vol. 209 Issue 1, p1-22, 22p
Database: Applied Science & Technology Source
Description
ISSN:00223239
DOI:10.1007/s10957-026-02971-x