Marián Vajtersic

Publication Activity (10 Years)

Years Active: 1979-2022
Publications (10 Years): 9

Top Topics

Negative Matrix Factorization

Convergence Property

Dimensionality Reduction

Alternating Least Squares

Top Venues

SIAM J. Matrix Anal. Appl.

J. Supercomput.

Publications

Gabriel Oksa, Yusaku Yamamoto, Marián Vajtersic
Convergence to Singular Triplets in the Two-Sided Block-Jacobi SVD Algorithm with Dynamic Ordering. SIAM J. Matrix Anal. Appl. 43 (3) (2022)
Gabriel Oksa, Yusaku Yamamoto, Martin Becka, Marián Vajtersic
Asymptotic Quadratic Convergence of the Two-Sided Serial and Parallel Block-Jacobi SVD Algorithm. SIAM J. Matrix Anal. Appl. 40 (2) (2019)
Markus Flatz, Rade Kutil, Marián Vajtersic
Parallelization of the Hierarchical Alternating Least Squares Algorithm for Nonnegative Matrix Factorization. RTSI (2018)
Shuhei Kudo, Yusaku Yamamoto, Martin Becka, Marián Vajtersic
Performance analysis and optimization of the parallel one-sided block Jacobi SVD algorithm with dynamic ordering and variable blocking. Concurr. Comput. Pract. Exp. 29 (9) (2017)
Gabriel Oksa, Yusaku Yamamoto, Marián Vajtersic
Asymptotic quadratic convergence of the serial block-Jacobi EVD algorithm for Hermitian matrices. Numerische Mathematik 136 (4) (2017)
Rade Kutil, Markus Flatz, Marián Vajtersic
Improvements in Approximation Performance and Parallelization of Nonnegative Matrix Factorization with Newton Iteration. HPCS (2017)
Rade Kutil, Markus Flatz, Marián Vajtersic
Parallel Nonnegative Matrix Factorization Based on Newton Iteration with Improved Convergence Behavior. PPAM (1) (2017)
Christine Gfrerer, Marián Vajtersic, Rade Kutil
Two parallel alignment algorithms for big number of strings. HPCS (2016)
Markus Flatz, Marián Vajtersic
Parallel Nonnegative Matrix Factorization via Newton Iteration. Parallel Process. Lett. 26 (3) (2016)
Shuhei Kudo, Yusaku Yamamoto, Martin Becka, Marián Vajtersic
Performance of the Parallel One-Sided Block Jacobi SVD Algorithm on a Modern Distributed-Memory Parallel Computer. PPAM (1) (2015)
Martin Becka, Gabriel Oksa, Marián Vajtersic
New Dynamic Orderings for the Parallel One-Sided Block-Jacobi SVD Algorithm. Parallel Process. Lett. 25 (2) (2015)
Paolo Di Stolfo, Marián Vajtersic
Fast Algorithm for the Fourth-Order Elliptic Problem Based on Orthogonal Matrix Decomposition. PPAM (1) (2015)
Markus Flatz, Marián Vajtersic
Parallel nonnegative tensor factorization via newton iteration on matrices. HPCS (2014)
Verena Christina Horak, Tobias Berka, Marián Vajtersic
Parallel Classification with Two-Stage Bagging Classifiers. Comput. Informatics 32 (4) (2013)
Tobias Berka, Marián Vajtersic
Parallel rare term vector replacement: Fast and effective dimensionality reduction for text. J. Parallel Distributed Comput. 73 (3) (2013)
Tobias Berka, Giorgios Kollias, Helge Hagenauer, Marián Vajtersic, Ananth Grama
Concurrent programming constructs for parallel MPI applications - The MPI threads library. J. Supercomput. 63 (2) (2013)
Tobias Berka, Marián Vajtersic
Updating Rare Term Vector Replacement. IJCNLP (2013)
Peter Korosec, Marián Vajtersic, Jurij Silc, Rade Kutil
Multi-core implementation of the differential ant-stigmergy algorithm for numerical optimization. J. Supercomput. 63 (3) (2013)
Julien Langou, Matthias Bolten, Laura Grigori, Marián Vajtersic
Topic 10: Parallel Numerical Algorithms - (Introduction). Euro-Par (2013)
Tobias Berka, Marián Vajtersic
The Parallel Heartbeat of Statistical Text Analysis. ERCIM News 2012 (91) (2012)
Tobias Berka, Marián Vajtersic
SRC: information retrieval as a persistent parallel service on supercomputer infrastructure. ICS (2011)
Peter Korosec, Jurij Silc, Marián Vajtersic, Rade Kutil
A Shared-Memory ACO-Based Algorithm for Numerical Optimization. IPDPS Workshops (2011)
Tobias Berka, Helge Hagenauer, Marián Vajtersic
Portable Explicit Threading and Concurrent Programming for MPI Applications. PPAM (2) (2011)
Tobias Berka, Marián Vajtersic
Parallel Retrieval of Dense Vectors in the Vector Space Model. Comput. Informatics 30 (2) (2011)
Tobias Berka, Helge Hagenauer, Marián Vajtersic
A Middleware for Concurrent Programming in MPI Applications. ICPP Workshops (2011)
Martin Becka, Gabriel Oksa, Marián Vajtersic, Laura Grigori
On iterative QR pre-processing in the parallel block-Jacobi SVD algorithm. Parallel Comput. 36 (5-6) (2010)
Patrick Amestoy, Daniela di Serafino, Rob H. Bisseling, Enrique S. Quintana-Ortí, Marián Vajtersic
Parallel Numerical Algorithms. Euro-Par (2) (2010)
Laura Grigori, Bernard Philippe, Ahmed H. Sameh, Damien Tromeur-Dervout, Marián Vajtersic
Parallel matrix algorithms and applications. Parallel Comput. 34 (6-8) (2008)
Gabriel Oksa, Marián Vajtersic
Efficient pre-processing in the parallel block-Jacobi SVD algorithm. Parallel Comput. 32 (2) (2006)
Gabriel Oksa, Marián Vajtersic
Preconditioned Parallel Block-jacobi Svd Algorithm. Parallel Process. Lett. 16 (3) (2006)
Gabriel Oksa, Marián Vajtersic
Special Issue. Parallel Algorithms Appl. 18 (1-2) (2003)
Martin Becka, Gabriel Oksa, Marián Vajtersic
Dynamic ordering for a parallel block-Jacobi SVD algorithm. Parallel Comput. 28 (2) (2002)
Roman Trobec, Peter Zinterhof, Marián Vajtersic, Andreas Uhl
Parallel Numerics and Applications. Scalable Comput. Pract. Exp. 5 (3) (2002)
Gabriel Oksa, Martin Becka, Marián Vajtersic
Parallel Computation with Structured Matrices in Linear Modeling of Multidimensional Signals. Scalable Comput. Pract. Exp. 5 (3) (2002)
Gabriel Oksa, Marián Vajtersic
Multi-Level Parallelism in the Block-Jacobi SVD Algorithm. PDP (2001)
Manfred Feil, Andreas Uhl, Marián Vajtersic
Computation of the Continuous Wavelet Transform on Massively Parallel SIMD Arrays. Parallel Process. Lett. 9 (4) (1999)
Martin Becka, Marián Vajtersic
Block-jacobi Svd Algorithms for Distributed Memory Systems I: Hypercubes and Rings. Parallel Algorithms Appl. 13 (3) (1999)
Martin Becka, Sophie Robert, Marián Vajtersic
Experiments with Parallel One-Sided and Two-Sided Algorithms for SVD . ACPC (1999)
Marián Vajtersic
A scalable VLSI algorithm for the fourth-order elliptic problem. PDP (1999)
Martin Becka, Marián Vajtersic
Block-jacobi Svd Algorithms for Distributed Memory Systems Ii: Meshes*. Parallel Algorithms Appl. 14 (1) (1999)
Manfred Feil, Andreas Uhl, Marián Vajtersic
Continuous Wavelet Transform on Massively Parallel Arrays. PARCO (1997)
Marián Vajtersic
A Direct Block-Five-Diagonal System Solver for the VLSI Parallel Model. IPPS (1996)
Marián Vajtersic
High Performance VLSI Model Elliptic Solvers. HPCN Europe (1995)
Elisa Francomano, A. Tortorici Macaluso, Marián Vajtersic
Implementation Analysis of Fast Matrix Multiplication Algorithms on Shared Memory Computers. Comput. Artif. Intell. 14 (3) (1995)
Grazia Lotti, Marián Vajtersic
The application of VLSI Poisson solvers to the biharmonic problem. Parallel Comput. 18 (1) (1992)
Petter E. Bjørstad, Fredrik Manne, Tor Sørevik, Marián Vajtersic
Efficient Matrix Multiplication on SIMD Computers. SIAM J. Matrix Anal. Appl. 13 (1) (1992)
Marián Vajtersic
A VLSI Multigrid Poisson Solver Amenable to Biharmonic Equation. CONPAR (1992)
Marián Vajtersic
Parallel Multigrid Algorithms for some Specialized Computer Systems. CONPAR (1990)
Marián Vajtersic
Fast Parallel Algorithms for Eigenvalue and Singular Value Computations. CONPAR (1986)
Marián Vajtersic
Parallel marching Poisson solvers. Parallel Comput. 1 (3-4) (1984)
Marián Vajtersic
Parallel Poisson and biharmonic solvers implemented on the EGPA multiprocessor. ICPP (1982)
Marián Vajtersic
processors. CONPAR (1981)
Marián Vajtersic
A fast algorithm for solving the first biharmonic boundary value problem. Computing 23 (2) (1979)