Question 1

What does Defeng Sun research?

Accepted Answer

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.

Question 2

Which keywords describe Defeng Sun's research?

Accepted Answer

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

Question 3

Where does Defeng Sun work?

Accepted Answer

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

Question 4

How many publications and citations does Defeng Sun have?

Accepted Answer

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.

Question 5

Is Defeng Sun's h-index high?

Accepted Answer

An h-index of 52 is at or above that of 99.6% of the 3,595 ranked researchers whose main subfield is Numerical Analysis, which is in the top 0.5%.