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Displaying 1461 –
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We consider a class of evolution differential inclusions defining the so-called stop operator arising in elastoplasticity, ferromagnetism, and phase transitions. These differential inclusions depend on a constraint which is represented by a convex set that is called the characteristic set. For (bounded variation) data we compare different notions of solutions and study how the continuity properties of the solution operators are related to the characteristic set. In the finite-dimensional case...
We show that the C¹-interior of the set of maps satisfying the following conditions:
(i) periodic points are hyperbolic,
(ii) singular points belonging to the nonwandering set are sinks,
coincides with the set of Axiom A maps having the no cycle property.
Dans un mémoire publié en 1774, Lagrange utilise des méthodes reposant sur l’analogie des puissances positives et des différences, et des puissances négatives et des sommes, qui lui permettent, notamment, d’obtenir diverses formules d’intégration. D’autres auteurs s’engagent alors dans cette voie. Les problèmes de calcul intégral jouent un rôle important dans le développement de diverses formes de calcul symbolique et celui-ci fait la preuve de son efficacité dans ce domaine : il permet de généraliser...
We introduce a Lie algebra, which we call adelic -algebra. Then we construct a natural
bosonic representation and show that the points of the Calogero-Moser spaces are in 1:1
correspondence with the tau-functions in this representation.
In this paper, we present the existence result for Carathéodory type solutions for the nonlinear Sturm- Liouville boundary value problem (SLBVP) in Banach spaces on an arbitrary time scale. For this purpose, we introduce an equivalent integral operator to the SLBVP by means of Green’s function on an appropriate set. By imposing the regularity conditions expressed in terms of Kuratowski measure of noncompactness, we prove the existence of the fixed points of the equivalent integral operator. Mönch’s...
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