National Repository of Grey Literature 3 records found  Search took 0.01 seconds. 
Analysis of dissipative equations in unbounded domains
Michálek, Martin ; Pražák, Dalibor (advisor) ; Feireisl, Eduard (referee)
In the first part of this thesis, suitable function spaces for analysis of partial differ- ential equations in unbounded domains are introduced and studied. The results are then applied in the second part on semilinear wave equation in Rd with non- linear source term and nonlinear damping. The source term is supposed to be bounded by a polynomial function with a subcritical growth. The damping term is strictly monotone and satisfying a polynomial-like growth condition. Global existence is proved using finite speed of propagation. Dissipativity in locally uni- form spaces and the existence of a locally compact attractor are then obtained after additional conditions imposed on the damping term.
Analysis of dissipative equations in unbounded domains
Michálek, Martin ; Pražák, Dalibor (advisor) ; Feireisl, Eduard (referee)
In the first part of this thesis, suitable function spaces for analysis of partial differ- ential equations in unbounded domains are introduced and studied. The results are then applied in the second part on semilinear wave equation in Rd with non- linear source term and nonlinear damping. The source term is supposed to be bounded by a polynomial function with a subcritical growth. The damping term is strictly monotone and satisfying a polynomial-like growth condition. Global existence is proved using finite speed of propagation. Dissipativity in locally uni- form spaces and the existence of a locally compact attractor are then obtained after additional conditions imposed on the damping term.
L .sup. 2 ./sup. odhady slabého řešení ve váhových Sobolevových prostorech problému Oseenova typu pro rotující těleso
Kračmar, S. ; Nečasová, Šárka ; Penel, P.
The aim of this paper is to described the asymptotic behavior of solution in the weighted spaces with anisotropical weight.

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