"RIV/67985840:_____/05:00023138!RIV06-AV0-67985840" . "RIV/67985840:_____/05:00023138" . "Kolman, Karel" . "1" . . . "A two-level method for nonsymmetric eigenvalue problems"@en . "V \u010Dl\u00E1nku je studov\u00E1na dvou\u00FArov\u0148ov\u00E1 diskretiza\u010Dn\u00ED metoda pro \u0159e\u0161en\u00ED vlastn\u00EDch \u010D\u00EDsel. Metoda diskretizuje \u00FAlohu na hrub\u00E9 s\u00EDti a \u0159e\u0161en\u00ED z\u00EDskan\u00E9 na t\u00E9to \u00FArovni %22zhlazuje%22 line\u00E1rn\u00EDm krokem na jemn\u00E9 s\u00EDti. Z\u00EDskan\u00E9 p\u0159ibli\u017En\u00E9 \u0159e\u0161en\u00ED m\u00E1 asymptotickou p\u0159esnost Galerkinova \u0159e\u0161en\u00ED. V \u010Dl\u00E1nku je zkoum\u00E1n vztah t\u00E9to metody k metod\u011B iterovan\u00E9ho vektoru (iterovan\u00E9 Galerkinov\u011B metod\u011B). Jsou z\u00EDsk\u00E1ny odhady chyb pro nesymetrickou \u00FAlohu."@cs . "A two-level discretization method for eigenvalue problems is studied. Compared to the standard Galerkin finite element discretization technique performed on a fine guid this method discretizes the eigenvalue problem on a coarse grid and ostains an improved eigenvector (eigenvalue) approximation by solving only a linear problem on the fine grid ( or two linear problems for the case of eigenvalue approximation of nonsymmetric problems). The improved solution has the asymptotic accuracy of the Galerkin discretization solution. The link between the method and the iterated Galerkin method is established. Error estimates for the general nonsymmetric case are devided."@en . "P(IAA1019201), Z(AV0Z10190503)" . "eigenvalue problems; finite elements; postprocessing"@en . "21" . "A two-level discretization method for eigenvalue problems is studied. Compared to the standard Galerkin finite element discretization technique performed on a fine guid this method discretizes the eigenvalue problem on a coarse grid and ostains an improved eigenvector (eigenvalue) approximation by solving only a linear problem on the fine grid ( or two linear problems for the case of eigenvalue approximation of nonsymmetric problems). The improved solution has the asymptotic accuracy of the Galerkin discretization solution. The link between the method and the iterated Galerkin method is established. Error estimates for the general nonsymmetric case are devided." . . "[46F2488A8ABD]" . "A two-level method for nonsymmetric eigenvalue problems" . . . . "12"^^ . "511136" . . "0168-9673" . . "1"^^ . . "A two-level method for nonsymmetric eigenvalue problems" . . . . "Dvou\u00FArov\u0148ov\u00E1 metoda \u0159e\u0161en\u00ED nesymetrick\u00FDch \u00FAloh vlastn\u00EDch \u010D\u00EDsel"@cs . "CN - \u010C\u00EDnsk\u00E1 lidov\u00E1 republika" . "1"^^ . "A two-level method for nonsymmetric eigenvalue problems"@en . . "Dvou\u00FArov\u0148ov\u00E1 metoda \u0159e\u0161en\u00ED nesymetrick\u00FDch \u00FAloh vlastn\u00EDch \u010D\u00EDsel"@cs . . "1;12" . . "Acta Mathematicae Applicatae Sinica" . . .