Mohammed Said El Khannoussi, Abderrahim Zertiti
Abstract:
We study completely continuous maps in ordered Banach spaces having
an invariant cone. We give conditions on minorants and majorants which
yield the existence of at least one non-zero fixed point.
Submitted November 23, 2015. Published July 4, 2016.
Math Subject Classifications: 37C25, 47B07, 47J10, 47B60.
Key Words: Fixed point index; nonlinear differential equation;
nonlinear integral equation, fixed point theorem; positive solution.
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Mohammed Said El Khannoussi Université Abdelmalek Essaadi Faculté des sciences Département de Mathématiques BP 2121, Tétouan, Morocco email: said_774@hotmail.com |
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Abderrahim Zertiti Université Abdelmalek Essaadi Faculté des sciences Département de Mathématiques BP 2121, Tétouan, Morocco email: abdzertiti@hotmail.fr |
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