Science Explorer Interactive view Map

Matrix Theory and Algorithms

Matrix Theory and Algorithms is a research topic within Computational Theory and Mathematics. Science Explorer counts 50k research works in it since 1950. 12.4% of them reached the world's top 10% most cited for their field and year.

This cluster of papers focuses on matrix algorithms, iterative methods, and numerical techniques for solving eigenvalue problems, preconditioning sparse linear systems, and addressing saddle point problems. It covers topics such as Krylov subspace methods, structured preconditioners, parallel computing, and numerical linear algebra.

  • Matrix Computations
  • Numerical Linear Algebra
  • Preconditioning Techniques
  • Iterative Methods
  • Eigenvalue Problems
  • Sparse Linear Systems
  • Krylov Subspace Methods
  • Saddle Point Problems
  • Structured Preconditioners
  • Parallel Computing
Research works
50k
fractional, since 1950
In the world top 10%
6.3k
per year above
Top-10% rate
12.4%
share of its works in the world top 10%
Growth, 2013–17 → 2018–22
-6%
the tick is no change

Which countries lead Matrix Theory and Algorithms research?

By volume, China and the United States publish the most (1.2k and 756 works in 2022–2025).

By volume, 2022–2025

  1. 1 China 1.2k works
  2. 2 United States 756 works
  3. 3 India 362 works
  4. 4 Germany 263 works
  5. 5 Russia 229 works
  6. 6 France 179 works
  7. 7 Italy 156 works
  8. 8 Japan 147 works
  9. 9 United Kingdom 143 works
  10. 10 Iran 130 works

How concentrated that is

The same countries as shares of everything the list above accounts for. A node where two countries do two thirds of the work and one spread evenly across twelve read alike as a ranking and not at all alike here.

China: 33.8%United States: 21.2%India: 10.1%Germany: 7.3%6 others listed: 27.5%34%largest
China1,208 · 33.8%United States756 · 21.2%India362 · 10.1%Germany263 · 7.3%6 others listed983 · 27.5%

Shares of the rows listed above, not of the whole node.

Which institutions lead Matrix Theory and Algorithms research?

By volume in 2022–2025, University of Nis publishes the most Matrix Theory and Algorithms research, followed by University of Sfax and Shanghai University.

Who are the leading researchers in Matrix Theory and Algorithms?

The most-cited researchers publishing on Matrix Theory and Algorithms include Stanley Osher, Guanrong Chen and Peng Shi.

  1. 1 Stanley Osher United States 8k citations
  2. 2 Guanrong Chen Hong Kong 5.4k citations
  3. 3 Peng Shi Australia 5k citations
  4. 4 P. Diţă Germany 4.5k citations
  5. 5 Vincent D. Blondel Belgium 4.4k citations

Ranked by citations received across their whole record, among researchers with at least three works on this topic.

Where is Matrix Theory and Algorithms research done?

The largest centres of Matrix Theory and Algorithms research in 2022–2025 are Beijing (China), Shanghai (China), Moscow (Russia) and Nanjing (China). Among places with at least 20 works in it, it is an unusually large share of all research in Niš and Sfax.

Largest cities, 2022–2025

  1. 1 Beijing China 148 works
  2. 2 Shanghai China 112 works
  3. 3 Moscow Russia 101 works
  4. 4 Nanjing China 62 works
  5. 5 Xi'an China 59 works
  6. 6 Tokyo Japan 49 works
  7. 7 Paris France 42 works
  8. 8 Guangzhou China 41 works
  9. 9 Munich Germany 38 works
  10. 10 Chengdu China 37 works

Where it is the local speciality

  1. NišRS · 33.4 works37×
  2. SfaxTN · 31.5 works15×
← less than its size predictsmore →

Location quotient: how much more of its research is in Matrix Theory and Algorithms than the world average.

See Matrix Theory and Algorithms on the map

Where is the best place to study Matrix Theory and Algorithms?

Among universities, judged by research, Jadavpur University, University of Jordan and Shanghai University score highest, combining excellence, specialisation, size, growth and international reach. Research strength is one signal when choosing where to study; it does not measure teaching.

0%20%40%mean 18.69%fractional works in this node (log) →share in the world top 10% →Jadavpur University: 14, 34.5%University of Jordan: 14, 25.7%Shanghai University: 30, 30.2%University of Sfax: 32, 4.4%University of Freiburg: 19, 9.7%National Institute of Technology Karnataka: 12, 20.4%Cameron University: 12, 11.3%University of Nis: 33, 9.3%Universitat Politècnica de València: 18, 14.5%Indian Institute of Science Bangalore: 14, 26.9%Jadavpur UniversityShanghai UniversityUniversity of JordanUniversity of Sfax
above the meannear itbelow it

One dot per university in the table below. The upper left is the interesting corner: small places doing unusually strong work.

#UniversityScoreTop 10%SpecialisationWorksGrowth
1 Jadavpur UniversityIndia 72.634.5%9.5×14 +121.6%
2 University of JordanJordan 69.425.7%10.5×14 +91.8%
3 Shanghai UniversityChina 68.930.2%7.7×30 +10.7%
4 University of SfaxTunisia 66.34.4%23.1×32 +165.7%
5 University of FreiburgGermany 64.49.7%9.9×19 +450.7%
6 National Institute of Technology KarnatakaIndia 64.120.4%12.1×12 +206.7%
7 Cameron UniversityUnited States 59.711.3%425.0×12 +199.8%
8 University of NisSerbia 58.99.3%37.3×33 -2.9%
9 Universitat Politècnica de ValènciaSpain 54.914.5%9.5×18 -1.4%
10 Indian Institute of Science BangaloreIndia 52.626.9%6.7×14 -4.2%

Universities only. Score blends excellence (30%), specialisation (25%), size (20%), growth (15%) and international reach (10%), 2015–2022; growth compares 2010–14 with 2015–19.

Is Matrix Theory and Algorithms research growing?

Output in 2018–2022 was 6% lower than in 2013–2017, peaking in 2025. The fastest-growing topics are Matrix Theory and Algorithms.

19801990200020102020
grewheldshrank

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

Which topics inside it are moving

Growth and decline on one axis around a shared zero. Two lists side by side hide the thing that matters: whether the growth dwarfs the decline, or the other way round.