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On the application of displacement structure methods to obtain null-spaces of polynomial matrices
null-spaces and we compare the performance of these fast methods with the classicalIn this paper we present different algorithms to obtain the null-space of a polynomial matrix. These algorithms are based...
BC - Teorie a systémy řízení
- 2004 •
- A
Rok uplatnění
A - Audiovizuální tvorba
Maximum Attainable Accuracy of Inexact Saddle Point Solvers
method based on the elimination of primary unknowns and the null-space projection method, which relies on a basis for the subspace described by the constraints. We......
BA - Obecná matematika
- 2008 •
- Jx
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
On a limitin accuracy of segregated techniques for saddle point problems
In this contribution we analyze numerical behavior of some iterative methods used for solving large-scale saddle point problems - two representatives of such methods are the Schur complement reduction method and the nul...
BA - Obecná matematika
- 2006 •
- D
Rok uplatnění
D - Stať ve sborníku
On a maximum attainable accuracy of some segregated techniques for saddle point problems
In this contribution we analyze numerical behavior of some iterative methods used for solving large-scale saddle point problems. Two representatives of such methods are the Schur complement reduction method and the null...
BA - Obecná matematika
- 2006 •
- D
Rok uplatnění
D - Stať ve sborníku
On solving non-symmetric saddle-point systems arising from fictitious domain approaches
The contribution deals with solving non-symmetric saddle-point systems arising from fictitious domain approaches. The presented algorithm combines the Shur complement method with the null-space method....
BA - Obecná matematika
- 2006 •
- D
Rok uplatnění
D - Stať ve sborníku
On large-scale generalized inverses in solving two-by-two block linear systems
The goal is to analyze a role of generalized inverses in the solution of two-by-two block linear systems by means of an algorithm combining the Schur complement reduction with the null-space method....
BA - Obecná matematika
- 2013 •
- Jx •
- Link
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
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Limiting Accuracy of Segregated Solution Methods for Nonsymmetric Saddle Point Problems
behavior of several nonsymmetric iterative methods applied for solving the saddle point systems via the Schur complement reduction or the null-space projection approach. Krylov subspace methods often prod...
BA - Obecná matematika
- 2008 •
- Jx
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
A null geodesic orbit space whose null orbits require a reparametrization
We show an example of a Lorentzian manifold whose homogeneous geodesics form just the null cone and a hyperplane in the tangent space....
BA - Obecná matematika
- 2008 •
- D
Rok uplatnění
D - Stať ve sborníku
The use of the fourier transform for solving linear elasticity problems
This paper deals with solving linear elasticity problems using a modified fictitious domain method and an effective solver based on the discrete Fourier transform and the Schur complement reduction in combination with the null s...
BA - Obecná matematika
- 2011 •
- Jx •
- Link
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
Výsledek na webu
Polynomial null solutions to bosonic Laplacians, bosonic bergman and hardy spaces
polynomial null solutions to bosonic Laplacians, which give us some important results, such as an orthogonal decomposition of the space of polynomials in terms of homogeneous polynomial null solutions to bosonic Laplacians...
Pure mathematics
- 2022 •
- Jimp •
- Link
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Jimp - Článek v periodiku v databázi Web of Science
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