On a class of nonlinear eigenvalue problems
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Karl P. Hadeler (1974)
Acta Universitatis Carolinae. Mathematica et Physica
Peter Hess (1974)
Mathematische Annalen
Winfried Sickel (1989)
Czechoslovak Mathematical Journal
George H., Jr. Pimbley (1970)
Mathematische Zeitschrift
Jiří Durdil (1973)
Commentationes Mathematicae Universitatis Carolinae
Erich Miersemann (1983)
Commentationes Mathematicae Universitatis Carolinae
Jakub Duda (2001)
Commentationes Mathematicae Universitatis Carolinae
In the first part of this paper, we prove that in a sense the class of bi-Lipschitz -convex mappings, whose inverses are locally -convex, is stable under finite-dimensional -convex perturbations. In the second part, we construct two -convex mappings from onto , which are both bi-Lipschitz and their inverses are nowhere locally -convex. The second mapping, whose construction is more complicated, has an invertible strict derivative at . These mappings show that for (locally) -convex mappings...
Pavel Krejčí (1988)
Aplikace matematiky
The main goal of the paper is to formulate some new properties of the Ishlinskii hysteresis operator , which characterizes e.g. the relation between the deformation and the stress in a non-perfectly elastic (elastico-plastic) material. We introduce two energy functionals and derive the energy inequalities. As an example we investigate the equation describing the motion of a mass point at the extremity of an elastico-plastic spring.
P. Mankiewicz (1972)
Studia Mathematica
Gottfried Brückner (1976)
Commentationes Mathematicae Universitatis Carolinae
Janusz Matkowski (1987)
Acta Universitatis Carolinae. Mathematica et Physica
Myelkebir Aitalioubrahim (2012)
Commentationes Mathematicae Universitatis Carolinae
We prove a theorem on the existence of solutions of a first order functional differential inclusion governed by a class of nonconvex sweeping process with a noncompact perturbation.
Nikolaos S. Papageorgiou (1994)
Czechoslovak Mathematical Journal
Le Van Hot (1981)
Commentationes Mathematicae Universitatis Carolinae
Le Van Hot (1981)
Commentationes Mathematicae Universitatis Carolinae
Le Van Hot (1980)
Commentationes Mathematicae Universitatis Carolinae
Jiří Durdil (1974)
Commentationes Mathematicae Universitatis Carolinae
Jiří Durdil (1974)
Commentationes Mathematicae Universitatis Carolinae
Michael M. Neumann (1991)
Czechoslovak Mathematical Journal
George Luna (1977)
Mathematische Annalen
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