Search - Archive ouverte HAL Access content directly

Filter your results

36 Results
authFullName_s : Daniel Ruiz

Clustering sparse matrices with information from both numerical values and pattern (SIAM Parallel Processing 2016)

Iain Duff , Philip Knight , Sandrine Mouysset , Daniel Ruiz
16th Conference on Parallel Processing for Scientific Computing (SIAM Parallel Processing 2016), SIAM : Society for Industrial and Applied Mathematics, Apr 2016, Paris, France
Conference papers hal-03176448v1
Image document

Improving the scalability of the ABCD Solver with a combination of new load balancing and communication minimization techniques

Iain Duff , Philippe Leleux , Daniel Ruiz , F Sukru Torun
Parco 2019: Parallel Computing Conference, Sep 2019, Prague, Czech Republic. ⟨10.3233/APC200052⟩
Conference papers hal-02893783v1

Testing and comparing the Augmented Block Cimmino Distributed solver on some class of applications

Olivier Boiteau , Iain Duff , Robin Greffeuille , Ronan Guivarch , Daniel Ruiz et al.
13th US National Congress on Computational Mechanicsto (US-NCCM 2015), USACM : United States Association for Computational Mechanics; University of California, San Diego, Jul 2015, San Diego, United States
Conference papers hal-03213966v1
Image document

Doubly Stochastic Scaling Unifies Community Detection

Luce Le Gorrec , Sandrine Mouysset , Daniel Ruiz
Journal articles hal-03633062v2

Direct Numerical Simulation of the Three-Dimensional Transition to Turbulence in the Incompressible Flow around a Wing

Yannick Hoarau , D. Faghani , Marianna Braza , Rodolphe Perrin , Dominique Anne-Archard et al.
Flow, Turbulence and Combustion, 2003, 71, pp.119-132. ⟨10.1023/B:APPL.0000014931.01400.7e⟩
Journal articles istex hal-02612098v1

A Tridiagonalization Method for Symmetric and Quasi-Definite Saddle-Point Systems (CM 2018, Colorado, USA)

Alfredo Buttari , Dominique Orban , Daniel Ruiz , David Titley-Peloquin
15th Copper Mountain Conference On Iterative Methods (CM 2018), Front Range Scientific Computations, Inc, Boulder, Colorado; University of Colorado, Sandia National Labs; Emory University; Society for Industrial and Applied Mathematics: SIAM Activity Group on Linear Algebra, Mar 2018, Copper Mountain, Colorado, United States
Conference papers hal-03023422v1

The Augmented Block Cimmino Distributed method

Iain Duff , Ronan Guivarch , Daniel Ruiz , Mohamed Zenadi
SIAM Journal on Scientific Computing, 2015, Methods and Algorithms for Scientific Computing, 37 (3), pp.A1248-A1269. ⟨10.1137/140961444⟩
Journal articles hal-03193138v1

An Algorithm Based on Spectral Analysis to Detect Block Structure on Matrices

Iain Duff , Philip Knight , Luce Le Gorrec , Sandrine Mouysset , Daniel Ruiz et al.
SIAM Workshop on Combinatorial Scientific Computing 2018, Jun 2018, Bergen, Norway
Conference papers hal-03044270v1
Image document

Towards robust, fast solutions of elliptic equations on complex domains through HHO discretizations and non-nested multigrid methods

Daniele Antonio Di Pietro , Frank Hülsemann , Pierre Matalon , Paul Mycek , Ulrich Rüde et al.
International Journal for Numerical Methods in Engineering, In press, 122 (22), pp.6576-6595. ⟨10.1002/nme.6803⟩
Journal articles hal-03163476v2

Identifying blocks in matrices with information from both numerical values and sparsity pattern (Franco-Scottish Seminar 2016)

Iain Duff , Philip Knight , Sandrine Mouysset , Daniel Ruiz
Franco-Scottish Seminar 2016: workshop on Linear Algebra and Parallel Computing at the Heart of Scientific Computing, Royal Society of Edinburgh; French Embassy in London,, Sep 2016, Edinburgh, United Kingdom
Conference papers hal-03176449v1
Image document

Partitioning Strategies for the Block Cimmino algorithm (Precond 2011)

Mohamed Zenadi , Tony Drummond , Iain S. Duff , Ronan Guivarch , Daniel Ruiz et al.
7th International Conference On Preconditioning Techniques For Scientific And Industrial Applications (Precond 2011), INRIA Bordeaux Sud-Ouest, May 2011, Bordeaux, France
Conference papers inria-00581285v1

Segmentation of cDNA microarray images using parallel spectral clustering

Sandrine Mouysset , Ronan Guivarch , Joseph Noailles , Daniel Ruiz
Advances in Distributed Computing and Artificial Intelligence Journal, 2013, 2 (13), pp.1-8
Journal articles hal-03521554v1
Image document

Advanced numerical methods for uncertainty reduction when predicting heat exchanger dynamic stability limits. Review and perspectives.

Elisabeth Longatte , Franck Baj , Yannick Hoarau , Marianna Braza , Daniel Ruiz et al.
Nuclear Engineering and Design, 2013, 258, pp.164-175. ⟨10.1016/j.nucengdes.2012.12.003⟩
Journal articles hal-02147964v1
Image document

Détection automatique de structures blocs sur des matrices

Luce Le Gorrec , Sandrine Mouysset , Daniel Ruiz , Philip A. Knight , Iain S. Duff et al.
21ème Conférence sur l'Apprentissage Automatique (CAp 2019), AFIA : Association française pour l'intelligence artificielle, Jul 2019, Toulouse, France. pp.99-108
Conference papers hal-03003812v1
Image document

Refining the lower bound on the positive eigenvalues of saddle point matrices with insights on the interactions between the blocks

Daniel Ruiz , Annick Sartenaer , Charlotte Tannier
SIAM Journal on Matrix Analysis and Applications, 2018, 39 (2), pp.712-736. ⟨10.1137/16M108152X⟩
Journal articles hal-02348261v1

Doubly-stochastic scaling of adjacency matrices for community detection (Workshop on Graphs, Networks, and their Applications, Moscou, 2019)

Luce Le Gorrec , Sandrine Mouysset , Daniel Ruiz
Workshop on Graphs, Networks, and their Applications 2019, MIPT: Moscow Institute of Physics and Technology, May 2019, Moscou, Russia
Conference papers hal-03012582v1

Using partial spectral information for block-diagonal preconditioning of saddle-point systems (SIAM Conference on Optimization, USA, 2014)

Daniel Ruiz , Annick Sartenaer , Charlotte Tannier
SIAM Conference on Optimization (OP 2014), SIAM Activity Group on Optimization, May 2014, San Diego, États-Unis
Conference papers hal-03266940v1

Inexact Subspace Iteration for the Consecutive Solution of Linear Systems with Changing Right-Hand Sides

Carlos Balsa , Michel Daydé , José Palma , Daniel Ruiz
Pinto; A.A. and Zilberman; D. DGS 2016, BIOECONOMY 2015: Modeling, Dynamics, Optimization and Bioeconomics III, 224, Springer International Publishing, pp.49--78, 2018, Springer PROMS : Proceedings in Mathematics & Statistics, 978-3-319-74085-0. ⟨10.1007/978-3-319-74086-7_3⟩
Book sections hal-02982557v1
Image document

An h-multigrid method for Hybrid High-Order discretizations

Daniele Antonio Di Pietro , Frank Hülsemann , Pierre Matalon , Paul Mycek , Ulrich Rüde et al.
SIAM Journal on Scientific Computing, 2021, pp.S839-S861. ⟨10.1137/20M1342471⟩
Journal articles hal-02434411v3

Algorithm based on spectral analysis to detect numerical blocks in matrices (Sparse Days, Toulouse, 06/09/17-08/09/17)

Luce Le Gorrec , Iain Duff , Philip Knight , Sandrine Mouysset , Daniel Ruiz et al.
Sparse Days Annual Meeting 2017, CERFACS : Centre Européen de recherche et de formation Avancée en Calcul Scientifique, Toulouse, France, Sep 2017, Toulouse, France
Conference papers hal-03120311v1

Using partial spectral information for block-diagonal preconditioning of saddle-point systems (Householder Symposium XIX, Belgium, 2014)

Daniel Ruiz , Annick Sartenaer , Charlotte Tannier
Nineteenth Householder Symposium XIX on Numerical Linear Algebra (2014), SIAM Activity Group on Linear Algebra; Université catholique de Louvain, Jun 2014, Spa, Belgium
Conference papers hal-03266941v1

Parallelisation of MACOPA, a multi-physics asynchronous solver

Ronan Guivarch , Guillaume Joslin , Ronan Perrussel , Daniel Ruiz , Jean Tshimanga Ilunga et al.
International Conference on Vector and Parallel Processing (VECPAR 2016), Jun 2016, Porto, Portugal. pp.44--51, ⟨10.1007/978-3-319-61982-8_6⟩
Conference papers hal-03165037v1

Uncovering hidden block structure for clustering

Luce Le Gorrec , Sandrine Mouysset , Iain Duff , Philip Knight , Daniel Ruiz et al.
[Research Report] IRIT/RR--2018, IRIT : Institut de Recherche Informatique de Toulouse. 2018
Reports hal-03044269v1

A refined lower bound on the positive eigenvalues of saddle-point matrices that incorporates specific information from the interactions between the blocks (Householder Symposium XX on Numerical Linear Algebra 2017)

Daniel Ruiz , Annick Sartenaer , Charlotte Tannier
Householder Symposium XX on Numerical Linear Algebra 2017, Society for Industrial and Applied Mathematics (SIAM); SIAM Activity Group on Linear Algebra (SIAG/LA), Jun 2017, Blacksburg, Virginia, United States
Conference papers hal-03128329v1

ABCD-Solver: A hybrid method for solving large sparse linear systems

Iain Duff , Ronan Guivarch , Daniel Ruiz , Mohamed Zenadi
18th International Conference on Finite Elements in Flow Problems (FEF 2015), International Association of Computational Mechanics (IACM); National Tsing Hua University; Ministry of Science of Technology of Taiwan, Mar 2015, Taipei, Taiwan
Conference papers hal-03213967v1
Image document

A Tridiagonalization Method for Symmetric Saddle-Point Systems

Alfredo Buttari , Dominique Orban , Daniel Ruiz , David Titley-Peloquin
SIAM Journal on Scientific Computing, 2019, 41 (5), pp.S409-S432. ⟨10.1137/18M1194900⟩
Journal articles hal-02343661v1

Doubly-stochastic scaling of adjacency matrices for community detection (5th International Conference on Computational Social Science)

Luce Le Gorrec , Sandrine Mouysset , Daniel Ruiz
5th International Conference on Computational Social Science - IC2S2 2019, Jul 2019, Amsterdam, Netherlands
Conference papers hal-03003813v1

Evaluation de la qualité des découpages en communautés dans le cas de graphes non orientés pondérés

Luce Le Gorrec , Sandrine Mouysset , Daniel Ruiz
[Rapport de recherche] IRIT. 2018
Reports hal-03033988v1

Doubly-stochastic scaling of adjacency matrices for community detection (28th Biennal Conference on Numerical Analysis)

Luce Le Gorrec , Sandrine Mouysset , Daniel Ruiz
28th Biennal Conference on Numerical Analysis, SIAM-LA : Society for Industrial and Applied Mathematics - Activity Group on Linear Algebra, Jun 2019, Glasgow, Scotland, United Kingdom
Conference papers hal-03003814v1

Recent advances on the Augmented Block Cimmino method

Andrei Dumitrasc , Philippe Leleux , Constantin Popa , Ulrich Ruede , Daniel Ruiz et al.
12th Workshop on Mathematical Modelling of Environmental and Life Sciences Problems - MMELSP 2018, Universitatea Ovidius din Constanta, Romania; Romanian Academy, Bucharest, Romania, Oct 2018, Constanta, Romania
Conference papers hal-03023423v1