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On boundary value problems of second order differential inclusions

Bapur Chandra Dhage (2004)

Discussiones Mathematicae, Differential Inclusions, Control and Optimization

This paper presents sufficient conditions for the existence of solutions to boundary-value problems of second order multi-valued differential inclusions. The existence of extremal solutions is also obtained under certain monotonicity conditions.

On BVPs in l∞(A).

Gerd Herzog, Roland Lemmert (2005)

Extracta Mathematicae

We prove the existence of extremal solutions of Dirichlet boundary value problems for u''a + fa(t,u,u'a) = 0 in l∞(A) between a generalized pair of upper and lower functions with respect to the coordinatewise ordering, and for f quasimonotone increasing in its second variable.

On certain singular third order eigenvalue problem

Michal Greguš, Michal Greguš, Jr. (2003)

Archivum Mathematicum

In this paper a singular third order eigenvalue problem is studied. The results of the paper complete the results given in the papers [3], [5].

On conditioning of Schur complements of H-TFETI clusters for 2D problems governed by Laplacian

Petr Vodstrčil, Jiří Bouchala, Marta Jarošová, Zdeněk Dostál (2017)

Applications of Mathematics

Bounds on the spectrum of the Schur complements of subdomain stiffness matrices with respect to the interior variables are key ingredients in the analysis of many domain decomposition methods. Here we are interested in the analysis of floating clusters, i.e. subdomains without prescribed Dirichlet conditions that are decomposed into still smaller subdomains glued on primal level in some nodes and/or by some averages. We give the estimates of the regular condition number of the Schur complements...

Currently displaying 1061 – 1080 of 1972