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Researcher · National University of Singapore · Singapore

Defeng Sun

Defeng Sun publishes mostly in Numerical Analysis, Computational Theory and Mathematics and Computational Mechanics, on topics such as Advanced Optimization Algorithms Research, Sparse and Compressive Sensing Techniques and Optimization and Variational Analysis.

ORCID 0000-0003-0481-272X OpenAlex
World rank
#40,246
of 7,710,434 ranked researchers
Rank in Singapore
#261
of 23,642
Works
251
Citations
9.1k
Citations per work
36.1
h-index
52
i10-index 108Top 0.5% in Numerical Analysis
Defeng Sun

What does Defeng Sun research?

Defeng Sun's work is mostly in Computer Science (32%), Mathematics (30%), Engineering (17%).

Physical Sciences: 197 works · 78.5% of their workComputer Science: 79 works · 31.6% of their workComputational Theory and Mathematics: 56 works · 22.4% of their workArtificial Intelligence: 14 works · 5.5% of their workComputer Vision and Pattern Recognition: 9 works · 3.7% of their workMathematics: 74 works · 29.5% of their workNumerical Analysis: 66 works · 26.2% of their workStatistics and Probability: 8 works · 3.3% of their workEngineering: 44 works · 17.4% of their workComputational Mechanics: 44 works · 17.4% of their workEverything else: 54 works · 21.5% of their workTHEIR WORKDefeng Sun251works
Physical Sciences78%

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. Computer Science7931.6%
    2. Mathematics7429.5%
    3. Engineering4417.4%
  2. Everything else5421.5%
  1. 1Numerical Analysis26% of their works
  2. 2Computational Theory and Mathematics22% of their works
  3. 3Computational Mechanics17% of their works
  4. 4Artificial Intelligence6% of their works
  5. 5Computer Vision and Pattern Recognition4% of their works
  6. 6Statistics and Probability3% of their works

Research topics

Which keywords describe Defeng Sun's research?

The keywords of their largest research topics: Convex Optimization, Optimization Software, Semidefinite Programming, Compressed Sensing, Sparse Representation, Iterative Algorithms, Nonlinear Operators and Iterative Methods.

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.

All 18 words, with their numbers
  1. Convex Optimization2683 topics
  2. Optimization Software1531 topic
  3. Semidefinite Programming1531 topic
  4. Compressed Sensing1041 topic
  5. Sparse Representation1041 topic
  6. Iterative Algorithms941 topic
  7. Nonlinear Operators941 topic
  8. Iterative Methods882 topics
  9. Matrix Computations561 topic
  10. Numerical Linear Algebra561 topic
  11. Convergence Analysis321 topic
  12. Newton's Method321 topic
  13. Regularization201 topic
  14. Variable Selection201 topic
  15. Inverse Problems121 topic
  16. Regularization Methods121 topic
  17. Random Projections111 topic
  18. Stochastic Gradient Descent111 topic

Where does Defeng Sun work?

Defeng Sun's main affiliation in the publication record is National University of Singapore, Singapore.

How many publications and citations does Defeng Sun have?

OpenAlex counts 251 works and 9,052 citations for Defeng Sun, an h-index of 52, ranking #40,246 of 7,710,434 researchers worldwide on the quality score.

Ranked on field-normalised 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.

Other researchers named Defeng Sun

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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