Bo Kågström

Publication Activity (10 Years)

Years Active: 1980-2020
Publications (10 Years): 5

Top Topics

Distributed Memory

Highly Structured

Symmetric Matrix

Top Venues

SIAM J. Matrix Anal. Appl.

SIAM J. Sci. Comput.

Found. Comput. Math.

Publications

Andrii Dmytryshyn, Stefan Johansson, Bo Kågström, Paul Van Dooren
Geometry of Matrix Polynomial Spaces. Found. Comput. Math. 20 (3) (2020)
Mahmoud Eljammaly, Lars Karlsson, Bo Kågström
An Auto-Tuning Framework for a NUMA-Aware Hessenberg Reduction Algorithm. ICPE Companion (2018)
Björn Adlerborn, Lars Karlsson, Bo Kågström
Distributed One-Stage Hessenberg-Triangular Reduction with Wavefront Scheduling. SIAM J. Sci. Comput. 40 (2) (2018)
Andrii Dmytryshyn, Stefan Johansson, Bo Kågström
Canonical Structure Transitions of System Pencils. SIAM J. Matrix Anal. Appl. 38 (4) (2017)
Mahmoud Eljammaly, Lars Karlsson, Bo Kågström
On the Tunability of a New Hessenberg Reduction Algorithm Using Parallel Cache Assignment. PPAM (1) (2017)
Andrii Dmytryshyn, Bo Kågström
Coupled Sylvester-type Matrix Equations and Block Diagonalization. SIAM J. Matrix Anal. Appl. 36 (2) (2015)
Robert A. Granat, Bo Kågström, Daniel Kressner, Meiyue Shao
Algorithm 953: Parallel Library Software for the Multishift QR Algorithm with Aggressive Early Deflation. ACM Trans. Math. Softw. 41 (4) (2015)
Andrii Dmytryshyn, Bo Kågström
Orbit Closure Hierarchies of Skew-symmetric Matrix Pencils. SIAM J. Matrix Anal. Appl. 35 (4) (2014)
Björn Adlerborn, Bo Kågström, Daniel Kressner
A Parallel QZ Algorithm for Distributed Memory HPC Systems. SIAM J. Sci. Comput. 36 (5) (2014)
Lars Karlsson, Bo Kågström, Eddie Wadbro
Fine-grained bulge-chasing kernels for strongly scalable parallel QR algorithms. Parallel Comput. 40 (7) (2014)
Lars Karlsson, Carl Christian Kjelgaard Mikkelsen, Bo Kågström
Improving Perfect Parallelism. PPAM (1) (2013)
Fred G. Gustavson, Lars Karlsson, Bo Kågström
Parallel and Cache-Efficient In-Place Matrix Storage Format Conversion. ACM Trans. Math. Softw. 38 (3) (2012)
Carl Christian Kjelgaard Mikkelsen, Bo Kågström
Approximate Incomplete Cyclic Reduction for Systems Which Are Tridiagonal and Strictly Diagonally Dominant by Rows. PARA (2012)
Carl Christian Kjelgaard Mikkelsen, Bo Kågström
Incomplete Cyclic Reduction of Banded and Strictly Diagonally Dominant Linear Systems. PPAM (1) (2011)
Lars Karlsson, Bo Kågström
Parallel two-stage reduction to Hessenberg form using dynamic scheduling on shared-memory architectures. Parallel Comput. 37 (12) (2011)
Bo Kågström, Daniel Kressner, Meiyue Shao
On Aggressive Early Deflation in Parallel Variants of the QR Algorithm. PARA (1) (2010)
Robert Granat, Bo Kågström
Parallel Solvers for Sylvester-Type Matrix Equations with Applications in Condition Estimation, Part I: Theory and Algorithms. ACM Trans. Math. Softw. 37 (3) (2010)
Lars Karlsson, Bo Kågström
Efficient Reduction from Block Hessenberg Form to Hessenberg Form Using Shared Memory. PARA (2) (2010)
Carl Christian Kjelgaard Mikkelsen, Bo Kågström
Parallel Solution of Narrow Banded Diagonally Dominant Linear Systems. PARA (2) (2010)
Robert Granat, Bo Kågström, Daniel Kressner
A Novel Parallel QR Algorithm for Hybrid Distributed Memory HPC Systems. SIAM J. Sci. Comput. 32 (4) (2010)
Robert Granat, Bo Kågström
Algorithm 904: The SCASY Library - Parallel Solvers for Sylvester-Type Matrix Equations with Applications in Condition Estimation, Part II. ACM Trans. Math. Softw. 37 (3) (2010)
Robert Granat, Bo Kågström, Daniel Kressner
Parallel eigenvalue reordering in real Schur forms. Concurr. Comput. Pract. Exp. 21 (9) (2009)
Fred G. Gustavson, Lars Karlsson, Bo Kågström
Distributed SBP Cholesky factorization algorithms with near-optimal scheduling. ACM Trans. Math. Softw. 36 (2) (2009)
Erik Elmroth, Stefan Johansson, Bo Kågström
Stratification of Controllability and Observability Pairs - Theory and Use in Applications. SIAM J. Matrix Anal. Appl. 31 (2) (2009)
Per Andersson, Robert Granat, Isak Jonsson, Bo Kågström
Parallel Algorithms for Triangular Periodic Sylvester-Type Matrix Equations. Euro-Par (2008)
Robert Granat, Bo Kågström, Daniel Kressner
A parallel Schur method for solving continuous-time algebraic Riccati equations. CACSD (2008)
Robert Granat, Bo Kågström, Daniel Kressner
MATLAB tools for solving periodic eigenvalue problems. PSYCO (2007)
Stefan Johansson, Bo Kågström, Anton S. Shiriaev, András Varga
Comparing one-shot and multi-shot methods for solving periodic Riccati differential equations. PSYCO (2007)
Robert Granat, Bo Kågström
Parallel Algorithms and Condition Estimators for Standard and Generalized Triangular Sylvester-Type Matrix Equations. PARA (2006)
Bo Kågström, Daniel Kressner
Multishift Variants of the QZ Algorithm with Aggressive Early Deflation. SIAM J. Matrix Anal. Appl. 29 (1) (2006)
Jeanette Tångrot, Lixiao Wang, Bo Kågström, Uwe H. Sauer
Design, Construction and Use of the FISH Server. PARA (2006)
Robert Granat, Isak Jonsson, Bo Kågström
Recursive Blocked Algorithms for Solving Periodic Triangular Sylvester-Type Matrix Equations. PARA (2006)
Jeanette Tångrot, Lixiao Wang, Bo Kågström, Uwe H. Sauer
FISH - family identification of sequence homologues using structure anchored hidden Markov models. Nucleic Acids Res. 34 (Web-Server-Issue) (2006)
Robert A. Granat, Bo Kågström
Direct Eigenvalue Reordering in a Product of Matrices in Periodic Schur Form. SIAM J. Matrix Anal. Appl. 28 (1) (2006)
Fred G. Gustavson, Lars Karlsson, Bo Kågström
Three Algorithms for Cholesky Factorization on Distributed Memory Using Packed Storage. PARA (2006)
Björn Adlerborn, Bo Kågström, Daniel Kressner
Parallel Variants of the Multishift QZ Algorithm with Advanced Deflation Techniques. PARA (2006)
Robert Granat, Bo Kågström
Evaluating Parallel Algorithms for Solving Sylvester-Type Matrix Equations: Direct Transformation-Based Versus Iterative Matrix-Sign-Function-Based Methods. PARA (2004)
Erik Elmroth, Fred G. Gustavson, Isak Jonsson, Bo Kågström
Recursive Blocked Algorithms and Hybrid Data Structures for Dense Matrix Library Software. SIAM Rev. 46 (1) (2004)
Niklas Edmundsson, Erik Elmroth, Bo Kågström, Markus Mårtensson, Mats Nylén, Åke Sandgren, Mattias Wadenstein
Design and evaluation of a TOP100 Linux Super Cluster system. Concurr. Pract. Exp. 16 (8) (2004)
Robert Granat, Isak Jonsson, Bo Kågström
Combining Explicit, Recursive Blocking for Solving Triangular Sylvester-Type Matrix Equations on Distributed Memory Platforms. Euro-Par (2004)
Bo Kågström
Management of Deep Memory Hierarchies - Recursive Blocked Algorithms and Hybrid Data Structures for Dense Matrix Computations. PARA (2004)
Isak Jonsson, Bo Kågström
RECSY - A High Performance Library for Sylvester-Type Matrix Equations. Euro-Par (2003)
Robert Granat, Bo Kågström, Peter Poromaa
Parallel ScaLAPACK-Style Algorithms for Solving Continuous-Time Sylvester Matrix Equations. Euro-Par (2003)
Isak Jonsson, Bo Kågström
Parallel Two-Sided Sylvester-Type Matrix Equation Solvers for SMP Systems Using Recursive Blocking. PARA (2002)
Björn Adlerborn, Krister Dackland, Bo Kågström
Parallel and Blocked Algorithms for Reduction of a Regular Matrix Pair to Hessenberg-Triangular and Generalized Schur Forms. PARA (2002)
Isak Jonsson, Bo Kågström
Recursive blocked algorithms for solving triangular systems - Part II: two-sided and generalized Sylvester and Lyapunov matrix equations. ACM Trans. Math. Softw. 28 (4) (2002)
Isak Jonsson, Bo Kågström
Recursive blocked algorithms for solving triangular systems - Part I: one-sided and coupled Sylvester-type matrix equations. ACM Trans. Math. Softw. 28 (4) (2002)
Erik Elmroth, Pedher Johansson, Bo Kågström
Computation and presentation of graphs displaying closure hierarchies of Jordan and Kronecker structures. Numer. Linear Algebra Appl. 8 (6-7) (2001)
Isak Jonsson, Bo Kågström
Parallel Triangular Sylvester-Type Matrix Equation Solvers for SMP Systems Using Recursive Blocking. PARA (2000)
Björn Adlerborn, Krister Dackland, Bo Kågström
Parallel Two-Stage Reduction of a Regular Matrix Pair to Hessenberg-Triangular Form. PARA (2000)
Bo Kågström, Petter Wiberg
Extracting partial canonical structure for large scale eigenvalue problems. Numer. Algorithms 24 (3) (2000)
Krister Dackland, Bo Kågström
Blocked algorithms and software for reduction of a regular matrix pair to generalized Schur form. ACM Trans. Math. Softw. 25 (4) (1999)
Alan Edelman, Erik Elmroth, Bo Kågström
A Geometric Approach to Perturbation Theory of Matrices and Matrix Pencils. Part II: A Stratification-Enhanced Staircase Algorithm. SIAM J. Matrix Anal. Appl. 20 (3) (1999)
Krister Dackland, Bo Kågström
Blocked Algorithms for Reduction of a Regular Matrix Pair to Generalized Schur Form. PPSC (1999)
Fred G. Gustavson, Isak Jonsson, Bo Kågström, Per Ling
Towards Peak Performance on Hierarchical SMP Memory Architectures - New Recursive Blocked Data Formats and BLAS. PPSC (1999)
Bo Kågström, Charles Van Loan
Algorithm 784: GEMM-based level 3 BLAS: portability and optimization issues. ACM Trans. Math. Softw. 24 (3) (1998)
Krister Dackland, Bo Kågström
A ScaLAPACK-Style Algorithm for Reducing a Regular Matrix Pair to Block Hessenberg-Triangular Form. PARA (1998)
Bo Kågström, Per Ling, Charles Van Loan
GEMM-based level 3 BLAS: high-performance model implementations and performance evaluation benchmark. ACM Trans. Math. Softw. 24 (3) (1998)
Fred G. Gustavson, André Henriksson, Isak Jonsson, Bo Kågström, Per Ling
Superscalar GEMM-based Level 3 BLAS - The On-going Evolution of a Portable and High-Performance Library. PARA (1998)
Fred G. Gustavson, André Henriksson, Isak Jonsson, Bo Kågström, Per Ling
Recursive Blocked Data Formats and BLAS's for Dense Linear Algebra Algorithms. PARA (1998)
Alan Edelman, Erik Elmroth, Bo Kågström
A Geometric Approach to Perturbation Theory of Matrices and Matrix Pencils. Part I: Versal Deformations. SIAM J. Matrix Anal. Appl. 18 (3) (1997)
Bo Kågström, Peter Poromaa
LAPACK-Style Algorithms and Software for Solving the Generalized Sylvester Equation and Estimating the Separation Between Regular Matrix Pairs. ACM Trans. Math. Softw. 22 (1) (1996)
Krister Dackland, Bo Kågström
A Hierarchical Approach for Performance Analysis of ScaLAPACK-Based Routines Using the Distributed Linear Algebra Machine. PARA (1996)
Bo Kågström, Peter Poromaa
) and condition estimation: theory, algorithms and software. Numer. Algorithms 12 (2) (1996)
Erik Elmroth, Bo Kågström
The Set of 2-by-3 Matrix Pencils - Kronecker Structures and Their Transitions under Perturbations. SIAM J. Matrix Anal. Appl. 17 (1) (1996)
Bo Kågström, Mikael Rännar
Distributed General Matrix Multiply and Add for a 2D Mesh Processor Network. PARA (1995)
Krister Dackland, Bo Kågström
Reduction of a Regular Matrix Pair (A, B) to Block Hessenberg Triangular Form. PARA (1995)
Bo Kågström
A Perturbation Analysis of the Generalized Sylvester Equation $( AR - LB,DR - LE ) = ( C,F )$. SIAM J. Matrix Anal. Appl. 15 (4) (1994)
Krister Dackland, Erik Elmroth, Bo Kågström
A Ring-Oriented Approach for Block Matrix Factorizations on Shared and Distributed Memory Architectures. PPSC (1993)
James Demmel, Bo Kågström
The generalized Schur decomposition of an arbitrary pencil A-λB - robust software with error bounds and applications. Part I: theory and algorithms. ACM Trans. Math. Softw. 19 (2) (1993)
James Demmel, Bo Kågström
The generalized Schur decomposition of an arbitrary pencil A-λB - robust software with error bounds and applications. Part II: software and applications. ACM Trans. Math. Softw. 19 (2) (1993)
Peter Drakenberg, Peter Jacobson, Bo Kågström
A CONLAB Compiler for a Distributed Memory Multicomputer. PPSC (1993)
Bo Kågström, Per Ling, Charles Van Loan
Portable High Performance GEMM-Based Level 3 BLAS. PPSC (1993)
Peter Jacobson, Bo Kågström, Mikael Rännar
Algorithm Development for Distributed Memory Multicomputers Using CONLAB. Sci. Program. 1 (2) (1992)
Bo Kågström, Peter Poromaa
Estimators. SIAM J. Matrix Anal. Appl. 13 (1) (1992)
Bo Kågström
Scientific Programming Techniques and Experiences. Sci. Program. 1 (1) (1992)
Krister Dackland, Erik Elmroth, Bo Kågström, Charles Van Loan
Design and Evaluation of Parallel Block Algorithms: LU Factorization on an IBM 3090 VF/600J. PPSC (1991)
Jerry Eriksson, Peter Jacobson, Bo Kågström, Erik Lindström
The CONLAB Environment: Algorithm Design for and Simulation of MIMD Architectures. PPSC (1989)
Bo Kågström, Peter Poromaa
Distributed Block Algorithms for the Triangular Sylvester Equation with Condition Estimator. PPSC (1989)
Bo Kågström, Axel Ruhe
Algorithm 560: JNF, An Algorithm for Numerical Computation of the Jordan Normal Form of a Complex Matrix [F2]. ACM Trans. Math. Softw. 6 (3) (1980)
Bo Kågström, Axel Ruhe
An Algorithm for Numerical Computation of the Jordan Normal Form of a Complex Matrix. ACM Trans. Math. Softw. 6 (3) (1980)