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Some recent publications
Sorry the listing (by titles) below has not been updated for a while!
For a complete list see: Publications (last upated version March 11, 2020)
- A Parallel QZ Algorithm for Distributed Memory HPC Systems, Björn Adlerborn, Bo Kågström and Daniel Kressner, Report UMINF 14-03 (preprint), 2014.
(pdf)
- Orbit closure hierarchies of skew-symmetric matrix pencils, Andrii Dmytryshyn and Bo Kågström, Report UMINF 14-02 (preprint), 2014.
(pdf)
- Codimension computations of congruence orbits of matrices, symmetric and skew-symmetric matrix pencils using Matlab, Andrii Dmytryshyn, Stefan Johansson, and Bo Kågström, Report UMINF 13-18, 2013.
(pdf)
- Improving Perfect Parallelism, Lars Karlsson, Bo Kågström, and Carl Christian Kjelgaard Mikkelsen, PPAM 2013 (to appear 2014).
(pdf)
- Symmetric matrix pencils: Co-dimension counts and the solution of a pair of matrix equations, Andrii Dmytryshyn,
Bo Kågström, and Vladimir Sergeichuk, Electronic J. Linear Algebra, vol. 27, pp 1-18, 2014. (pdf)
- Fine-Grained Bulge-Chasing Kernels fo Strongly Scalable Parallel QR Algorithms, Lars Karlsson, Bo Kågström, and Eddie Wadbro, Parallel Computing (to appear 2014). (pdf)
- Stratification of Full Rank Polynomial Matrices,
Stefan Johansson, Bo Kågström, and Paul Van Dooren. Linear Algebra Appl., 439:1062-1090, 2013. DOI 10.1016/j.laa.2012.12.013. (pdf)
- Skew-symmetric matrix pencils: Co-dimension counts and the solution of a pair of matrix equations, Andrii Dmytryshyn,
Bo Kågström, and Vladimir Sergeichuk. Linear Algebra Appl., 438(8):3375-3396, 2013. (pdf)
- Parallel Library Software for the Multishift QR Algorithm
with Aggressive Early Deflation, R. Granat, B. Kågström,
D. Kressner, and M. Shao. Report UMINF-12.06 (preprint), revised 2013. (pdf)
- StratiGraph Tool: Matrix Stratifications in Control Applications,
Bo Kågström, Stefan Johansson, and Pedher Johansson. In L.
Biegler, S. L. Campbell, and V. Mehrmann (Eds.): Control and Optimization
with Differential-Algebraic Constraints, Chap. 5, pp 79-103, 2012,
SIAM Publications. (pdf)
- Parallel and Cache-Efficient In-Place Matrix Storage Format
Conversion. Fred Gustavson, Lars Karlsson, and Bo Kågström.
ACM Trans. on Math. Software, 38:17:1-17:32, 2012. (pdf)
- Incomplete Cyclic Reduction of Banded and Strictly Diagonally
Dominant Linear Systems, Carl Christian Kjelgaard Mikkelsen
and Bo Kågström. PPAM 2011, Lecture Notes in Computer
Science, LNCS 7203, pp. 80-91, 2012. (pdf)
- Efficient Reduction from Block Hessenberg Form to Hessenberg
Form using Shared Memory, Lars Karlsson, and Bo Kågström.
PARA 2010, Part II, Lecture Notes in Computer Science, LNCS 7134, pp.
258-268, 2012. (pdf)
- Parallel Two-stage Reduction to Hessenberg Form using Shared
Memory, Lars Karlsson and Bo Kågström, Parallel
Computing, 37, pp. 771-782, 2011. (pdf)
- Parallel Solution of Narrow Banded Diagonally Dominant Linear
Systems, Carl Christian Kjelgaard Mikkelsen and Bo Kågström.
PARA 2010, Lecture Notes in Computer Science, LNCS 7134, Part II, pp.
280-290, 2012. (pdf)
- On Aggressive Early Deflation in Parallel Variants of the
QR Algorithm, Bo Kågström. Daniel Kressner, and
Meiyue Shao. PARA 2010, Lecture Notes in Computer Science,
LNCS 7134, Part I, pp. 1-10, 2012. (pdf)
- Computing Codimensions and Generic Canonical Forms for Generalized
Matrix Products, Bo Kågström, Lars Karlsson, and
Daniel Kressner. Electronic Journal of Linear Algebra, 22,
pp. 277-309, 2011. (pdf)
- A Numerical Evaluation of Solvers for the Periodic Riccati
Differential Equation. Sergei Gusev, Stefan Johansson, Bo Kågström,
Anton Shiriaev, and Andras Varga. BIT Numerical Mathematics,
Vol. 50, No. 2, pp. 301-329, 2010. (pdf)
- Parallel Solvers for Sylvester-type Matrix Equations with
Applications in Condition Estimation, Part I: Theory and Algorithms.
Robert Granat and Bo Kågström. ACM Trans. Math. Software,
Vol. 37, No. 3, Article 32, pp. 1-32, 2010. (pdf)
- ALGORITHM 904: The SCASY Library - Parallel Solvers for Sylvester-type
Matrix Equations with Applications in Condition Estimation, Part II.
Robert Granat and Bo Kågström. ACM Trans. Math. Software,
Vol. 37, No. 3, Article 33, pp. 1-4, 2010. (pdf)
- SCASY Users' Guide, Release 1.0, Robert
Granat and Bo Kågström. Report UMINF 09.10, pp. 1-19, 2010.
- A Novel Parallel QR Algorithm for Hybrid Distributed Memory
HPC Systems. Robert Granat, Bo Kågström, and Daniel
Kressner. SIAM J. Scientific Computing, Vol. 32, pp. 2345–2378,
2010. (pdf)
- Stratification of Controllability and Observability Pairs
- Theory and Use in Applications. Erik Elmroth, Stefan Johansson,
and Bo Kågström. SIAM J. Matrix Analysis and Applications,
Vol. 31, Issue 2, pp. 203-226 (2009). (pdf)
- Parallel Eigenvalue Reordering in Real Schur Forms.
Robert Granat, Bo Kågström, and Daniel Kressner. Concurrency
and Computation: Practice and Experience, 21(9):1225-1250, 2009.
(preprint as LAPACK Working Note 192). (pdf)
- Distributed SBP Cholesky Factorization Algorithms with Near-Optimal
Scheduling. Fred Gustavson, Lars. Karlsson, and Bo Kågström.
ACM Trans. on Math. Software, Vol. 36, No. 2, 2009. (preprint
as Report UMINF-07.19 and IBM Research Report RC24342). (pdf)
- Accurate Domain Identification with Structure-Anchored Hidden
Markov Models, saHMMs. Jeanette Tångrot, Bo Kågström,
and Uwe Sauer. Proteins: Structure, Function, and Bioinformatics
Journal, Vol. 72, Iss. 2, pp. 343-352, 2009 (pdf).
- Parallel Scientific Computing and Optimization - Advances
and Applications. Raimondas Ciegis, David Henty, Bo Kågström,
and Julius Zilinskas, editors, Springer Optimization and Its Applications
Vol. 27, Springer, 2009. (http://www.springer.com/math/applications/book/978-0-387-09706-0)
- Blocked Algorithms for the Reduction to Hessenberg- Triangular
Form Revisted. Bo Kågström, Daniel Kressner, Enrique
Quintana-Orti, and Gregorio Quintana-Orti. BIT Numerical Mathematics,
48:563-884, 2008 (electronic
version).
- A Framework for Dynamic node Scheduling of Two-Sided Blocked
Matrix Computations. Lars Karlsson and Bo Kågström.
PARA 2008, Lectures Notes in Computer Science, Springer (accepted),
Dec. 2008. (pdf)
- A Parallel Schur Method for Solving Continuous-Time Algebraic
Riccati Equations. Robert Granat, Bo Kågström, and
Daniel Kressner. Proc. 2008 IEEE Conference on Computer Aided Control
Systems Design (CACSD). (pdf)
- Parallel Algorithms for Triangular Periodic Sylvester-Type
Matrix Equations. Per Andersson, Robert Granat, Isak Jonsson,
and Bo Kågström. In E.Luque et al, Euro-Par 2008 Parallel
Processing - 14th International Euro-Par Conference, LNCS 5168
of Lecture Notes of Computer Science, pp. 780-789, Springer,
2008. (pdf)
- Applied Parallel Computing: State of the Art in Scientific Computing,
PARA 2006. Bo Kågström, Erik Elmroth, Jack Dongarra,
and Jerzy Wasniewski, editors. Lecture Notes in Computer Science,
LNCS 4699, Springer, October 2007. (front
matter, Springer-link)
- Computing Periodic Deflating Subspaces Associated with a Specified
Set of Eigenvalues, Robert Granat, Bo Kågström, and Daniel Kressner,
BIT Numerical Mathematics, 47:763-791, 2007. (pdf)
- MATLAB Tools for Solving Periodic Eigenvalue Problems.
Robert Granat, Bo Kågström, and Daniel Kressner.
In Proc. 3rd IFAC Workshop PSYCO’07, 2007 (CD-ROM, IFAC
Publications). (pdf)
- Comparing One-shot and Multi-shot Methods for Solving Periodic
Riccati Differential Equations. Stefan Johansson, Bo Kågström,
Anton Shiriaev, and Andras Varga. In Proc. 3rd IFAC Workshop PSYCO’07,
2007 (CD-ROM, IFAC Publications). (pdf)
- Parallel Variants of the Multishift QZ Algorithm with Advanced
Deflation Techniques. Björn Adlerborn, Bo Kågström,
and Daniel Kressner. Applied Parallel Computing: State of the Art
in Scientific Computing, PARA 2006, Lecture Notes in Computer Science,
LNCS 4699, pp. 117–126. Springer, 2007. (pdf)
- Recursive Blocked Algorithms for Solving Periodic Triangular
Sylvester-Type Matrix Equations. Robert. Granat, Isak Jonsson,
and Bo Kågström. Applied Parallel Computing: State of
the Art in Scientific Computing, PARA 2006, Lecture Notes in Computer
Science, LNCS 4699, pp. 531–539. Springer, 2007. (pdf)
- Parallel Algorithms and Condition Estimators for Standard
and Generalized Triangular Sylvester-Type Matrix Equations.
Robert Granat and Bo Kågström. Applied Parallel Computing:
State of the Art in Scientific Computing, PARA 2006, Lecture
Notes in Computer Science, LNCS 4699, pages 127–136. Springer,
2007. (pdf)
- Three Algorithms for Cholesky Factorization on Distributed
Memory Using Packed Storage. Fred Gustavson, Lars Karlsson,
and Bo Kågström. Applied Parallel Computing: State of
the Art in Scientific Computing, Lecture Notes in Computer Science,
PARA 2006, LNCS 4699, pp. 550–559. Springer, 2007. (pdf)
- Design, Construction and Use of the FISH Server.
Jeanette Tångrot, Lixiao Wang, Bo Kågström, and Uwe
Sauer. Applied Parallel Computing: State of the Art in Scientific
Computing, PARA 2006, Lecture Notes in Computer Science,
LNCS 4699, pp. 647–657. Springer, 2007. (pdf)
- FISH—Family Identification of Sequence Homologues using Structure
Anchored Hidden Markov Models, Jeanette Tångrot, Lixiao Wang, Bo
Kågström, and Uwe H. Sauer. Nucleic Acids Research, Vol. 34,
W10–W14, 2006, Web Server issue (pdf)
- Reordering the Eigenvalues of a Periodic Matrix Pair with Applications
in Control, Robert Granat, Bo Kågström, and Daniel Kressner. Proc.
2006 IEEE Conference on Computer Aided Control Systems Design (CACSD),
pp. 25-30, 2006 (pdf)
- Multishift Variants of the QZ Algorithm with Aggressive Early Deflation,
Bo Kågström and Daniel Kressner. SIAM J. Matrix Analysis and Applications,
Vol. 29, No. 1, pp. 199-227, 2006 (pdf)
- Direct Eigenvalue Reordering in a Product of Matrices in Extended
Periodic Real Schur Form, Robert Granat and Bo Kågström. SIAM
J. Matrix Analysis and Applications, Vol.
28, No. 1, pp. 285-300 2006, (pdf)
- Evaluating Parallel Algorithms for Solving Sylvester-Type Matrix
Equations: Direct Transformation-Based versus Iterative Matrix-Sign-Function-Based
Methods, Robert Granat and Bo Kågström. PARA'04 State of the
Art in Scientific Computing, To appear in Springer Verlag LNCS
series, 2005. (10 pages, pdf)
- Orbit and Bundle Stratification of Controllability and Observability
Matrix Pairs in StratiGraph, Erik Elmroth, Pedher Johansson, Stefan
Johansson, and Bo Kågström.Proc. Sixteenth International Symposium
on Mathematical Theory of Networks and Systems (MTNS-2004), 2004.
(10 pages, pdf)
- Combining Explicit and Recursive Blocking for Solving Triangular
Sylvester-Type Matrix Equations on Distributed Memory Platforms,
Robert Granat, Isak Jonsson and Bo Kågström. Euro-Par 2004 Parallel
Processing, M. Danelutto et al (editors), LNCS Vol. 3149,
2004, pp. 742-750.(ps)(pdf)
- Recursive Blocked Algorithms and Hybrid Data Structures for Dense
Matrix Library Software, Erik Elmroth, Fred Gustavson, Isak Jonsson,
and Bo Kågström. SIAM Review, Vol. 46, No. 1, 2004, pp. 3-45.
(pdf)
- Design and Evaluation of a TOP100 Linux Super Cluster System,
Niklas Edmundsson, Erik Elmroth, Bo Kågström, Markus Mårtensson, Mats
Nylén, Åke Sandgren, and Mattias Wadenstein. Concurrency and Computations:
Practice and Experience, 2004 (in press, pdf)
- Structure anchored HMMs for sensitive sequence searches,
Jeanette Tångrot, Bo Kågström, and Uwe Sauer. Report UMINF-03.18, ISSN-0348-0542,
Dept. Computing Science, Umeå University, Nov. 2003, pp. 1-96. (Paper
2 in Tångrot's Thesis, pdf)
- Bounds for the Distance Between Nearby Jordan and Kronecker Structures
in a Closure Hierarchy, Erik Elmroth, Pedher Johansson, and Bo Kågström.Journal
of Mathematical Sciences, Vol, 112, No. 6, 2003, pp. 1765-1779.
(pdf)
- Parallel ScaLAPACK-style Algorithms for Solving Continuous-Time
Sylvester Matrix Equations, Robert Granat, Bo Kågström, and Peter
Poromaa. Euro-Par 2003 Parallel Processing, H. Kosch et al (editors),
LNCS Vol. 2790, 2003, pp. 800-809. (ps)
(pdf)
- RECSY - A High Performance Library for Sylvester-Type Matrix Equations,
Isak Jonsson and Bo Kågström. Euro-Par 2003 Parallel Processing,
H. Kosch et al (editors), LNCS Vol. 2790, 2003, pp. 810-819.
(ps) (pdf)
(library)
- Recursive Blocked Algorithms for Solving Triangular Systems - Part
I: One-Sided and Coupled Sylvester-Type Matrix Equations, Isak Jonsson
and Bo Kågström. ACM Trans. Math Software, Vol. 28, No. 4, Dec
2002, pp. 392-415. (pdf)
- Recursive Blocked Algorithms for Solving Triangular Systems - Part
II: Two-Sided and Generalized Sylvester and Lyapunov Matrix Equations,
Isak Jonsson and Bo Kågström. ACM Trans. Math Software, Vol.
28, No. 4, Dec 2002, pp. 416-435. (pdf)
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