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Company · Oxford · United Kingdom

Numerical Algorithms Group (United Kingdom)

In research, Numerical Algorithms Group (United Kingdom) stands highest in Computer Science (#1,456 of 7,020 worldwide) and Physical Sciences (#7,841 of 21,541 worldwide), over all time.

nag.comROR OpenAlex
World rank, all time
#14,087
of 42,892
Rank in United Kingdom
#767
of 2,253
Research works
318
▼ 20% vs 2013–17
Citations
6.9k
21.8 per fractional work
Top-10% rate
3.4%
record average 16.5%
Open access
36%
world 28%

What is Numerical Algorithms Group (United Kingdom) known for in research?

The fields where it stands highest, over all time, ranked among every institution above the floor in each field.

FieldWorld rankWhere that sitsTop-10% rateWorks
Computer ScienceField #1,456 of 7,020 16.5%137
Physical SciencesDomain #7,841 of 21,541 17.5%277

Each strip is that field’s whole ranked pool, with the notch where Numerical Algorithms Group (United Kingdom) sits in it, in the colour of the band that rank falls in. The track under the rate is the rate itself: it carries no world mark, because the world rate differs by field (from about 6% to 21% in this record).

Field profile

Location quotient across every field it publishes in: outside the ring is more than an institution of this size would be expected to publish, inside it is less.

Biochemistry, Genetics and Molecular Biology: 0.42× its world share, 0 worksBiochemistry, Geneti…Neuroscience: 0.57× its world share, 0 worksNeuroscienceComputer Science: 4.61× its world share, 3 worksComputer ScienceEarth and Planetary Sciences: 1.27× its world share, 0 worksEarth and Planetary …Engineering: 1.56× its world share, 2 worksEngineeringMathematics: 2.97× its world share, 0 worksMathematicsPhysics and Astronomy: 2.31× its world share, 0 worksPhysics and AstronomyDentistry: 4.80× its world share, 0 worksDentistryHealth Professions: 0.88× its world share, 0 worksHealth ProfessionsMedicine: 0.93× its world share, 1 worksMedicineDecision Sciences: 1.61× its world share, 0 worksDecision SciencesPsychology: 0.92× its world share, 0 worksPsychology1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Dentistry, 4.8×. Every wedge is a field page.

Who are the top researchers at Numerical Algorithms Group (United Kingdom)?

Ranked on the composite score, Sven Hammarling, Luc Giraud and Malcolm Sabin lead among researchers whose main affiliation is Numerical Algorithms Group (United Kingdom).

  1. 1 Sven Hammarling United Kingdom · #254,987 worldwide 122 citations · 21 works
  2. 2 Luc Giraud United Kingdom · #388,998 worldwide 168 citations · 61 works
  3. 3 Malcolm Sabin United Kingdom · #894,115 worldwide 75 citations · 52 works
  4. 4 Emmanuel Agullo United Kingdom · #899,705 worldwide 93 citations · 64 works
  5. 5 Bérenger Bramas United Kingdom · #1,266,027 worldwide 24 citations · 15 works
  6. 6 Grégoire Pichon United Kingdom · #1,524,196 worldwide 7 citations · 19 works
  7. 7 Luc Giraud United Kingdom · #1,625,533 worldwide 4 citations · 17 works
All ranked researchers at Numerical Algorithms Group (United Kingdom)

Which keywords describe research at Numerical Algorithms Group (United Kingdom)?

By fractional works in all years, weighted toward what it does more of than the world: Parallel Computing, High-Performance Computing, Iterative Methods, Matrix Computations, Numerical Linear Algebra, Fluid-Structure Interaction, Distributed Systems and GPU Computing.

▲ more of its work than of the world’s◆ about the world’s share▼ less than the world’s

Size is fractional works in all years in the topics tagged with each word; colour is the word's share of this institution's work against its share of the world's. The 40 words are chosen for being large and distinctive. Each links to the topic it comes from most.

All 40 words, with their numbers
  1. Parallel Computing48▲ 84×4 topics
  2. High-Performance Computing33▲ 70×2 topics
  3. Iterative Methods24▲ 122×2 topics
  4. Matrix Computations22▲ 153×1 topic
  5. Numerical Linear Algebra22▲ 153×1 topic
  6. Fluid-Structure Interaction20▲ 36×5 topics
  7. Distributed Systems18▲ 24×5 topics
  8. GPU Computing18▲ 80×1 topic
  9. Performance Optimization18▲ 56×1 topic
  10. Workflow Management18▲ 58×2 topics
  11. Resource Management16▲ 29×2 topics
  12. Machine Learning15▲ 2.2×26 topics
  13. Grid Computing15▲ 71×1 topic
  14. Task Scheduling15▲ 71×1 topic
  15. Adaptive Mesh Refinement14▲ 49×2 topics
  16. High-Order Schemes14▲ 49×2 topics
  17. Boundary Element Method14▲ 63×2 topics
  18. Discontinuous Galerkin Methods10▲ 92×1 topic
  19. Finite Element Methods10▲ 92×1 topic
  20. Floating-Point Arithmetic9▲ 182×1 topic
  21. Interval Analysis9▲ 182×1 topic
  22. Structural Analysis9▲ 18×2 topics
  23. Finite Elements9▲ 73×1 topic
  24. NURBS9▲ 73×1 topic
  25. Differential Equations8▲ 77×2 topics
  26. Hamiltonian Systems8▲ 59×2 topics
  27. Numerical Integration8▲ 62×2 topics
  28. Exponential Integrators8▲ 78×1 topic
  29. Symplectic Methods8▲ 78×1 topic
  30. Convex Optimization8▲ 32×5 topics
  31. Maxwell's Equations8▲ 42×2 topics
  32. Visualization8▲ 42×2 topics
  33. Semidefinite Programming7▲ 50×2 topics
  34. Simulation7▲ 6.5×5 topics
  35. Math Search7▲ 234×1 topic
  36. Mathematical Information Retrieval7▲ 234×1 topic
  37. Global Optimization6▲ 32×2 topics
  38. Distributed Storage6▲ 47×1 topic
  39. Network Coding6▲ 23×1 topic
  40. Nonlinear Programming6▲ 70×1 topic

Which research topics does Numerical Algorithms Group (United Kingdom) publish most on?

By volume in 2022–2025: Distributed and Parallel Computing Systems, Reservoir Engineering and Simulation Methods, Matrix Theory and Algorithms and Fault Detection and Control Systems.

Distributed and Parallel…0Distributed and Parallel Computing Systems: 0 fractional worksReservoir Engineering an…0Reservoir Engineering and Simulation Methods: 0 fractional worksMatrix Theory and Algorithms: 0 fractional worksFault Detection and Cont…0Fault Detection and Control Systems: 0 fractional worksHydrocarbon exploration …0Hydrocarbon exploration and reservoir analysis: 0 fractional worksParallel Computing and Optimization Techniques: 0 fractional worksFormal Methods in Verification: 0 fractional worksDental Education, Practi…0Dental Education, Practice, Research: 0 fractional worksPolynomial and algebraic computation: 0 fractional worksNuclear reactor physics and engineering: 0 fractional works
Computer Networks and CommunicationsOcean EngineeringComputational Theory and MathematicsControl and Systems Engineering4 others

Area is fractional works; colour is the subfield each topic belongs to.

  1. 1 Distributed and Parallel Computing Systems Computer Networks and Communications 0 works
  2. 2 Reservoir Engineering and Simulation Methods Ocean Engineering 0 works
  3. 3 Matrix Theory and Algorithms Computational Theory and Mathematics 0 works
  4. 4 Fault Detection and Control Systems Control and Systems Engineering 0 works
  5. 5 Hydrocarbon exploration and reservoir analysis Mechanics of Materials 0 works
  6. 6 Parallel Computing and Optimization Techniques Hardware and Architecture 0 works
  7. 7 Formal Methods in Verification Computational Theory and Mathematics 0 works
  8. 8 Dental Education, Practice, Research General Health Professions 0 works
  9. 9 Polynomial and algebraic computation Computational Theory and Mathematics 0 works
  10. 10 Nuclear reactor physics and engineering Aerospace Engineering 0 works

How open and international is its research?

Against the world’s own shares — the tick on each track. Both are shares of its output, so they sit on one scale and can be read against each other as well as against the world.

openly available36.3%not open63.7%

World: 28% of research is openly available.

with international co-authors34.8%domestic only65.2%

World: 19% is written across borders.

How has Numerical Algorithms Group (United Kingdom)'s research output changed?

Output in 2018–2022 was 20% lower than in 2013–2017.

1990200020102020
grewheldshrank

The same series as a ribbon — one cell per year, darker for more. The line above answers how much; this answers when.

Other research institutions in Oxford

All research institutions in Oxford

Research measures only: rankings here say nothing about teaching, admissions or student experience. Comparable institutions and collaboration partners are in the interactive view on the map.