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Researcher · Institut national de recherche en sciences et technologies du numérique · France

Claude Lemaréchal

Claude Lemaréchal publishes mostly in Computational Theory and Mathematics, Numerical Analysis and Industrial and Manufacturing Engineering, on topics such as Advanced Optimization Algorithms Research, Optimization and Variational Analysis and Matrix Theory and Algorithms.

ORCID 0009-0005-7739-9034 OpenAlex
World rank
#276,125
of 7,710,434 ranked researchers
Rank in France
#16,416
of 324,115
Works
153
Citations
13k
Citations per work
82.3
h-index
39
i10-index 63Top 2.3% in Computational Theory and Mathematics
Claude Lemaréchal

What does Claude Lemaréchal research?

Claude Lemaréchal's work is mostly in Mathematics (27%), Computer Science (25%), Engineering (14%).

Physical Sciences: 102 works · 66.7% of their workMathematics: 42 works · 27.2% of their workNumerical Analysis: 35 works · 22.7% of their workApplied Mathematics: 7 works · 4.5% of their workComputer Science: 39 works · 25.3% of their workComputational Theory and Mathematics: 39 works · 25.3% of their workEngineering: 22 works · 14.2% of their workIndustrial and Manufacturing Engineering: 9 works · 6.0% of their workComputational Mechanics: 7 works · 4.8% of their workControl and Systems Engineering: 5 works · 3.4% of their workEverything else: 51 works · 33.3% of their workTHEIR WORKClaude Lemaréchal153works
Physical Sciences67%

Their six largest subfields, inside their fields and domains; the grey slice is everything else they publish. The interactive view splits every one of their works down to single topics.

The fields and subfields, with their numbers
    1. Mathematics4227.2%
    2. Computer Science3925.3%
    3. Engineering2214.2%
  2. Everything else5133.3%
  1. 1Computational Theory and Mathematics25% of their works
  2. 2Numerical Analysis23% of their works
  3. 3Industrial and Manufacturing Engineering6% of their works
  4. 4Computational Mechanics5% of their works
  5. 5Applied Mathematics4% of their works
  6. 6Control and Systems Engineering3% of their works

Research topics

Which keywords describe Claude Lemaréchal's research?

The keywords of their largest research topics: Optimization Software, Semidefinite Programming, Iterative Algorithms, Nonlinear Operators, Iterative Methods, Banach Spaces, Matrix Computations and Numerical Linear Algebra.

Size is their works in the topics tagged with each word, from their 8 largest topics. Each links to the topic it comes from most. The words come from the keyword list OpenAlex gives each topic, not from the text of the papers, so a word can appear that none of the papers uses.

All 18 words, with their numbers
  1. Optimization Software651 topic
  2. Semidefinite Programming651 topic
  3. Iterative Algorithms541 topic
  4. Nonlinear Operators541 topic
  5. Iterative Methods252 topics
  6. Banach Spaces192 topics
  7. Matrix Computations131 topic
  8. Numerical Linear Algebra131 topic
  9. Convergence Analysis121 topic
  10. Newton's Method121 topic
  11. Cutting101 topic
  12. Packing101 topic
  13. Finite Elements71 topic
  14. Functional Equations71 topic
  15. Hyers-Ulam Stability71 topic
  16. NURBS71 topic
  17. Approximation Algorithms61 topic
  18. Combinatorial Optimization61 topic

Where does Claude Lemaréchal work?

Claude Lemaréchal's main affiliation in the publication record is Institut national de recherche en sciences et technologies du numérique, France.

How many publications and citations does Claude Lemaréchal have?

OpenAlex counts 153 works and 12,592 citations for Claude Lemaréchal, an h-index of 39, ranking #276,125 of 7,710,434 researchers worldwide on the quality score.

Ranked on field-normalised citation excellence (50%), output (30%) and citations (20%). Counts come from OpenAlex author records, which occasionally merge different people who share a name or split one person into several.

Papers, co-authors, who cited this work and researchers on the nearest topics have tabs of their own, above. Is this your page? Claim it with your ORCID iD, or request a correction or removal.

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