## Found 67 Documents (Results 1–67)

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### Inexact hierarchical scale separation: a two-scale approach for linear systems from discontinuous Galerkin discretizations. (English)Zbl 1398.65088

MSC:  65F50 65F10 65N30
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### A multilevel method for solving the Helmholtz equation: the analysis of the one-dimensional case. (English)Zbl 1263.65126

MSC:  65N55 65N30 35J05
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### Generalized aggregation-based multilevel preconditioning of Crouzeix-Raviart FEM elliptic problems. (English)Zbl 1137.65433

Boyanov, Todor (ed.) et al., Numerical methods and applications. 6th international conference, NMA 2006, Borovets, Bulgaria, August 20–24, 2006. Revised papers. Berlin: Springer (ISBN 978-3-540-70940-4/pbk). Lecture Notes in Computer Science 4310, 91-99 (2007).
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### Algebraic multigrid and algebraic multilevel methods: a theoretical comparison. (English)Zbl 1164.65356

MSC:  65F10 65N55 65F35
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### Iterative solution methods. (English)Zbl 1062.65038

MSC:  65F10 65F50
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### Multiscale methods for convection-diffusion problems. (Multiskalen-Verfahren für Konvektions-Diffusions Probleme.) (German)Zbl 0992.65124

Bonn: Univ. Bonn, Mathematisch-Naturwissenschaftliche Fakultät, 175 S. (2001).

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### Multilevel HB preconditioning of non-conforming FEM systems. (English)Zbl 0980.65124

Iliev, O. P. (ed.) et al., Recent advances in numerical methods and applications. Proceedings of the 4th international conference, NMA ’98, Sofia, Bulgaria, August 19-23, 1998. Singapore: World Scientific. 603-610 (1999).

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### Stabilizing the hierarchical basis by approximate wavelets. II: Implementation and numerical results. (English)Zbl 0924.65108

Reviewer: K.Najzar (Praha)
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### Adaptive hierarchical upscaling of flow in heterogeneous reservoirs based on an a posteriori error estimate. (English)Zbl 0946.76073

MSC:  76M25 76S05 76T99 65M15 65M55 86A05
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### The generalized hierarchical basis two-level method for the convection-diffusion equation on a regular grid. (English)Zbl 0926.65125

Hackbusch, Wolfgang (ed.) et al., Multigrid methods V. Proceedings of the 5th European multigrid conference, held in Stuttgart, Germany, October 1–4, 1996. Berlin: Springer. Lect. Notes Comput. Sci. Eng. 3, 1-20 (1998).

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### A block-factorization (algebraic) formulation of multigrid and Schwarz methods. (English)Zbl 0915.65120

Reviewer: G.Schmidt (Berlin)

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### Stabilizing the hierarchical basis by approximate wavelets. I: Theory. (English)Zbl 0889.65126

Reviewer: K.Najzar (Praha)
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### Fast solution methods for FEM-BEM coupled equations. (Schnelle Lösungsverfahren für FEM-BEM Kopplungsgleichungen.) (German)Zbl 0886.65118

Hannover: Univ. Hannover, FB Mathematik, x, 134 p. (1997).

### Multi-level splitting methods solving difference equations. (English)Zbl 0898.65059

Reviewer: J.Mandel (Denver)

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### The stabilized $$V$$-cycle method. (English)Zbl 0871.65103

Reviewer: K.Georgiev (Sofia)
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### An algorithm for coarsening unstructured meshes. (English)Zbl 0857.65034

Reviewer: Th.Sonar (Hamburg)
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### Robustness of the additive and multiplicative frequency decomposition multi-level method. (English)Zbl 0824.65105

Reviewer: K.Georgiev (Sofia)
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### Preconditioning nonsymmetric and indefinite capacitance matrix problems in domain imbedding. (English)Zbl 0820.65070

Reviewer: K.Georgiev (Sofia)
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### A hierarchical basis multigrid method for unstructured grids. (English)Zbl 0874.65091

Hackbusch, Wolfgang (ed.) et al., Fast solvers for flow problems. Proceedings of the tenth GAMM-Seminar Kiel, Germany, January 14–16, 1994. Wiesbaden: Vieweg. Notes Numer. Fluid Mech. 49, 1-13 (1995).

### Hierarchical preconditioners for elliptic partial differential equations. (English)Zbl 0833.65133

Gilbert, John (ed.) et al., Advances in numerical analysis. Vol. III: Large-scale matrix problems and the numerical solution of partial differential equations. Proceedings of the fifth summer school in numerical analysis, held at Lancaster University, Lancaster, UK, July 19-31, 1992. Oxford: Clarendon Press. Oxford Science Publications. 121-155 (1994).

### The hierarchical basis multigrid method and incomplete LU decomposition. (English)Zbl 0817.65103

Keyes, David E. (ed.) et al., Domain decomposition methods in scientific and engineering computing. Proceedings of the 7th international conference on domain decomposition, October 27-30, 1993, Pennsylvania State University, PA, USA. Providence, RI: American Mathematical Society. Contemp. Math. 180, 163-173 (1994).

### A two-level stabilizing framework for interface domain decomposition preconditioners. (English)Zbl 0812.65106

Dimov, I. T. (ed.) et al., Proceedings of the third international conference on advances in numerical methods and applications $$O(h^ 3)$$, Sofia, Bulgaria, 21-26 August, 1994. Singapore: World Scientific. 196-202 (1994).
MSC:  65N55 65F35

### The short length AMLI method. II: Computational and communication complexity. (English)Zbl 0840.65022

Dimov, I. T. (ed.) et al., Proceedings of the third international conference on advances in numerical methods and applications $$O(h^ 3)$$, Sofia, Bulgaria, 21-26 August, 1994. Singapore: World Scientific. 162-169 (1994).

### Performance enhancement and parallel algorithms for two multilevel preconditioners. (English)Zbl 0786.65025

Reviewer: L.S.Ioffe (Haifa)
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### An adaptive Poisson solver using hierarchical bases and sparse grids. (English)Zbl 0785.65109

Beauwens, R. (ed.) et al., Iterative methods in linear algebra. Proceedings of the IMACS international symposium, Brussels, Belgium, 2-4 April, 1991. Amsterdam: North-Holland. 293-310 (1992).

### Convergence analysis of Schwarz algorithm and multilevel decomposition iterative methods. I: Selfadjoint and positive definite elliptic problems. (English)Zbl 0785.65115

Beauwens, R. (ed.) et al., Iterative methods in linear algebra. Proceedings of the IMACS international symposium, Brussels, Belgium, 2-4 April, 1991. Amsterdam: North-Holland. 93-110 (1992).

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### An algebraic hierarchical basis preconditioner. (English)Zbl 0751.65021

Reviewer: W.Govaerts (Gent)
MSC:  65F10 65F35
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### Sparse grids. (English)Zbl 0763.65091

Parallel algorithms for partial differential equations, Proc. 6th GAMM- Semin., Kiel/Ger. 1990, Notes Numer. Fluid Mech. 31, 241-251 (1991).
MSC:  65N55 65N50 65N30

### A parallelizable and vectorizable multi-level algorithm on sparse grids. (English)Zbl 0741.65090

Parallel algorithms for partial differential equations, Proc. 6th GAMM- Semin., Kiel/Ger. 1990, Notes Numer. Fluid Mech. 31, 94-100 (1991).

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### A domain decomposition preconditioner based on a change to a multilevel nodal basis. (English)Zbl 0744.65084

Reviewer: I.Grosu (Iaşi)
MSC:  65N55 65F10 35J25
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### A Fourier analysis of the two-level hierarchical basis multigrid method for convection-diffusion equations. (English)Zbl 0766.65056

Fourth international symposium on domain decomposition methods for partial differential equations, Proc. Symp., Moscow/Russ. 1990, 178-184 (1991).
MSC:  65L05 65L60 34A30

### Two multi-level methods for nonuniformly refined grids. (English)Zbl 0736.65084

Computer algorithms for solving linear algebraic equations. The state of the art, NATO ASI Ser., Ser. F 77, 161-167 (1991).

### Two fast solvers based on the multi-level splitting of finite element spaces. (English)Zbl 0741.65094

Multigrid methods III, Proc. 3rd Eur. Conf., Bonn/Ger. 1990, ISNM 98, 83-90 (1991).

### A domain decomposition algorithm using a hierarchical basis. (English)Zbl 0712.65101

Reviewer: A.Swift
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### Multilevel filtering elliptic preconditioners. (English)Zbl 0707.65081

Reviewer: S.F.McCormick
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### The hierarchical basis multigrid method. (English)Zbl 0645.65074

Reviewer: G.Stoyan
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### On the multi-level splitting of finite element spaces for indefinite elliptic boundary value problems. (English)Zbl 0616.65102

Reviewer: G.Stoyan
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