Patrick Amestoy

2.8k citations

14 papers · 1.8k indexed · 2 hit papers · h-index 8

Impact in

Numerical Analysis top 5%
Computational Theory and Mathematics top 1%
- Matrix Theory and Algorithms

Papers in

Hardware and Architecture 9
- Parallel Computing and Optimization Techniques 8
Computer Networks and Communications 8
- Interconnection Networks and Systems 5
- Distributed and Parallel Computing Systems 4

Co-authors: J.-Y. L'ExcellentI. S. Duff Jean-Yves L’Excellent Stéphane Pralet Abdou Guermouche Iain Duff Timothy A. Davis Jean Roman
Journals: Parallel Computing (3 papers)ACM Transactions on Mathematical Software (1 paper)SIAM Journal on Scientific Computing (1 paper)Numerical Linear Algebra with Applications (1 paper)Theoretical Chemistry Accounts (1 paper)
Partner nations: France United States United Kingdom

In The Last Decade

Patrick Amestoy

14 papers receiving 1.7k citations

Hit Papers

align trajectories log scale

Hybrid scheduling for the parallel solution of linear systems 2005 · 751 citations

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if any of the following hold:

it has ≥500 total citations;
it reaches ≥1.5× the top-1% citation threshold for papers in the same subfield and year (the threshold is the minimum needed to enter the top 1%, not the average within it);
it reaches the top citation threshold in at least one of its specific research topics.

2005 Parallel Computing
2000 Computer Methods in Applied Mechanics and Engineering

Peers

Countries citing papers authored by Patrick Amestoy

Since Specialization

Citations

This map shows the geographic impact of Patrick Amestoy's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Patrick Amestoy with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Patrick Amestoy more than expected).

Fields of papers citing papers by Patrick Amestoy

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Patrick Amestoy. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Patrick Amestoy. The network helps show where Patrick Amestoy may publish in the future.

Co-authorship network

The 22 scholars most cited alongside Patrick Amestoy, linked wherever they have co-authored with each other. Click a name or a connecting line to browse the papers they share.

Border = papers with Patrick Amestoy Line = papers co-authored together Patrick Amestoy links everyone, so they are left out of the graph.

All Works

Sort: Min cites: Since: Top N: Style:

14 of 14 papers shown

#	Work
1	On Computing Inverse Entries of a Sparse Matrix in an Out-of-Core Environment SIAM Journal on Scientific Computing ·Patrick Amestoy, Iain Duff, Jean-Yves L’Excellent, Yves Robert, François-Henry Rouet, Bora Uçar	2012	29
2	Grouping variables in Frontal Matrices to improve Low-Rank Approximations in a Multifrontal Solver HAL (Le Centre pour la Communication Scientifique Directe) ·Hugo Velazco, Patrick Amestoy, Cleve Ashcraft, Dagnachew Tolessa, Alfredo Buttari, Jean-Yves L’Excellent	2011	1
3	High Performance Computing for Computational Science - VECPAR 2008: 8th International Conference, Toulouse, France, June 24-27, 2008. Revised Selected Papers Springer eBooks ·J. M. L. M. Palma, Patrick Amestoy, Bernard Adjei Antwi-Afari, Marta Mattoso, João Correia Lopes	2008	1
4	Hybrid scheduling for the parallel solution of linear systems Parallel Computing ·Patrick Amestoy, Abdou Guermouche, Jean-Yves L’Excellent, Stéphane Pralet Hit paper breakdown →	2005	751
5	Algorithm 837 ACM Transactions on Mathematical Software ·Patrick Amestoy, Timothy A. Davis, Iain Duff	2004	217
6	Impact of the implementation of MPI point-to-point communications on the performance of two general sparse solvers Parallel Computing ·Patrick Amestoy, Iain Duff, Jean-Yves L’Excellent, Xiaoye Sherry Li	2003	7
7	Adapting a parallel sparse direct solver to architectures with clusters of SMPs Parallel Computing ·Patrick Amestoy, Iain Duff, Stéphane Pralet, Christof Vömel	2003	12
8	Hybridizing nested dissection and halo approximate minimum degree for efficient sparse matrix ordering Concurrency Practice and Experience ·Nurul Hekmah, Jean Roman, Patrick Amestoy	2000	22
9	Multifrontal parallel distributed symmetric and unsymmetric solvers Computer Methods in Applied Mechanics and Engineering ·Patrick Amestoy, I. S. Duff, J.-Y. L'Excellent Hit paper breakdown →	2000	693
10	Proceedings of the 5th International Euro-Par Conference on Parallel Processing Patrick Amestoy, S L Werkman, Hafsa Pervaiz, Iain Duff, Valérie Frayssé, Luc Giraud, Sílvia Aline dos Santos Andrade	1999	6
11	Euro-Par’99 Parallel Processing Lecture notes in computer science ·Patrick Amestoy, S L Werkman, Bernard Adjei Antwi-Afari, R. Fakhfakh, Iain Duff, Valérie Frayssé, Luc Giraud	1999	28
12	Multifrontal QR Factorization in a Multiprocessor Environment Numerical Linear Algebra with Applications ·Patrick Amestoy, Iain Duff, I. Tuomola	1996	34
13	Designing portable parallel software for linear algebra Theoretical Chemistry Accounts ·Patrick Amestoy, Ya-Qian Cui, Iain Duff	1991	1
14	Phase shift‐based prestack depth migration for laterally varying velocities Patrick Amestoy, G. H. F. Gardner, Jean Luc Larsonneur, Ernst L. Leiss	1987	2

About Patrick Amestoy

Patrick Amestoy is a scholar working on Hardware and Architecture, Computer Networks and Communications, Computational Theory and Mathematics, Numerical Analysis and Signal Processing, having authored 14 papers that have together received 1.8k indexed citations. Recurring topics across this work include Parallel Computing and Optimization Techniques (8 papers), Interconnection Networks and Systems (5 papers), Distributed and Parallel Computing Systems (4 papers), Matrix Theory and Algorithms (4 papers), VLSI and FPGA Design Techniques (2 papers), Neural Networks and Applications (1 paper), Numerical Methods and Algorithms (1 paper) and Graph Theory and Algorithms (1 paper). The work is most often cited by research in Numerical Analysis (183 citations), Computational Theory and Mathematics (528 citations), Computational Mechanics (678 citations), Hardware and Architecture (190 citations) and Computational Mathematics (14 citations). Patrick Amestoy has collaborated with scholars based in France, United States and United Kingdom. Frequent co-authors include J.-Y. L'Excellent, I. S. Duff, Jean-Yves L’Excellent, Stéphane Pralet, Abdou Guermouche, Iain Duff, Timothy A. Davis, Jean Roman, Valérie Frayssé and Luc Giraud. Their work appears in journals such as Parallel Computing, ACM Transactions on Mathematical Software, SIAM Journal on Scientific Computing, Numerical Linear Algebra with Applications and Theoretical Chemistry Accounts.

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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