Mathematische Behandlung eines Desorptionsmodells für biporöse Systeme
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Reinhard Steudel (1980)
Commentationes Mathematicae Universitatis Carolinae
Yuan, George Xian-Zhi, Tarafdar, E. (1999)
International Journal of Mathematics and Mathematical Sciences
Svatopluk Fučík, Milan Kučera, Jindřich Nečas, Jiří Souček, Vladimír Souček (1974)
Časopis pro pěstování matematiky
L. Paoli, M. Schatzman (1993)
ESAIM: Mathematical Modelling and Numerical Analysis - Modélisation Mathématique et Analyse Numérique
Hansjörg Kielhöfer (1985)
Journal für die reine und angewandte Mathematik
Xian Xu, Bingjin Wang (2009)
Mathematica Bohemica
In this paper, we prove some multiplicity results for sign-changing solutions of an operator equation in an ordered Banach space. The methods to show the main results of the paper are to associate a fixed point index with a strict upper or lower solution. The results can be applied to a wide variety of boundary value problems to obtain multiplicity results for sign-changing solutions.
Wilhelmina Smajdor (1985)
Annales Polonici Mathematici
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