S.-P. Han

1.6k total citations · 1 hit paper
14 papers, 1.1k citations indexed

About

S.-P. Han is a scholar working on Computational Theory and Mathematics, Numerical Analysis and Control and Systems Engineering. According to data from OpenAlex, S.-P. Han has authored 14 papers receiving a total of 1.1k indexed citations (citations by other indexed papers that have themselves been cited), including 10 papers in Computational Theory and Mathematics, 9 papers in Numerical Analysis and 2 papers in Control and Systems Engineering. Recurrent topics in S.-P. Han's work include Advanced Optimization Algorithms Research (9 papers), Optimization and Variational Analysis (6 papers) and Matrix Theory and Algorithms (6 papers). S.-P. Han is often cited by papers focused on Advanced Optimization Algorithms Research (9 papers), Optimization and Variational Analysis (6 papers) and Matrix Theory and Algorithms (6 papers). S.-P. Han collaborates with scholars based in United States, United Kingdom and Thailand. S.-P. Han's co-authors include O. L. Mangasarian, Okitsugu Fujiwara and Seok‐Jin Kang and has published in prestigious journals such as Proceedings of the National Academy of Sciences, Mathematical Programming and SIAM Journal on Control and Optimization.

In The Last Decade

S.-P. Han

13 papers receiving 979 citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

A globally convergent method for nonlinear programming

1977 778 citations S.-P. Han Journal of Optimization Theory and Applications profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
S.-P. Han United States	7	503	498	322	161	102	14	1.1k
R. R. Meyer United States	15	408 0.8×	417 0.8×	188 0.6×	129 0.8×	58 0.6×	46	966
Erling D. Andersen Denmark	11	334 0.7×	299 0.6×	215 0.7×	121 0.8×	103 1.0×	18	927
G. Alefeld Germany	19	438 0.9×	796 1.6×	238 0.7×	120 0.7×	69 0.7×	83	1.3k
Gianni Di Pillo Italy	20	871 1.7×	877 1.8×	604 1.9×	264 1.6×	110 1.1×	48	1.8k
Hisham Abou‐Kandil France	17	195 0.4×	315 0.6×	471 1.5×	79 0.5×	81 0.8×	55	1.1k
David Yang Gao United States	24	623 1.2×	1.0k 2.1×	346 1.1×	175 1.1×	106 1.0×	116	2.0k
Stefan Ulbrich Germany	20	488 1.0×	459 0.9×	372 1.2×	469 2.9×	102 1.0×	96	1.3k
Richard A. Waltz United States	11	241 0.5×	237 0.5×	265 0.8×	157 1.0×	208 2.0×	15	1.3k
Peter R. Wolenski United States	21	605 1.2×	1.3k 2.7×	812 2.5×	106 0.7×	98 1.0×	55	2.5k
János D. Pintér Canada	18	380 0.8×	448 0.9×	155 0.5×	76 0.5×	41 0.4×	61	1.2k

Countries citing papers authored by S.-P. Han

Since Specialization

Citations

This map shows the geographic impact of S.-P. Han's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by S.-P. Han with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites S.-P. Han more than expected).

Fields of papers citing papers by S.-P. Han

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by S.-P. Han. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by S.-P. Han. The network helps show where S.-P. Han may publish in the future.

Co-authorship network of co-authors of S.-P. Han

This figure shows the co-authorship network connecting the top 25 collaborators of S.-P. Han. A scholar is included among the top collaborators of S.-P. Han based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with S.-P. Han. S.-P. Han is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

Sort: Min cites: Since: Top N: Style:

14 of 14 papers shown

1.

Han, S.-P., et al.. (2024). Young wall models for the level 1 highest weight and Fock space crystals of $$U_q(E_6^{(2)})$$ and $$U_q(F_4^{(1)})$$. Letters in Mathematical Physics. 114(5). 1 indexed citations

2.

Han, S.-P., et al.. (1988). A parallel quasi-Newton method for partially separable large scale minimization. Annals of Operations Research. 14(1). 195–211. 2 indexed citations

3.

Han, S.-P.. (1986). On the Hessian of Lagrangian and Second Order Optimality Conditions. SIAM Journal on Control and Optimization. 24(3). 339–345. 5 indexed citations

4.

Han, S.-P.. (1986). Relative eigenvalues of Hermitian matrices. Linear Algebra and its Applications. 81. 75–88. 4 indexed citations

5.

Han, S.-P.. (1986). On the Augmented Lagrangian. Mathematics of Operations Research. 11(1). 161–168. 1 indexed citations

6.

Han, S.-P., et al.. (1986). A Gauss-Newton Approach to Solving Generalized Inequalities. Mathematics of Operations Research. 11(4). 632–643. 29 indexed citations

7.

Han, S.-P. & Okitsugu Fujiwara. (1985). An inertia theorem for symmetric matrices and its application to nonlinear programming. Linear Algebra and its Applications. 72. 47–58. 13 indexed citations

8.

Han, S.-P. & O. L. Mangasarian. (1984). Conjugate cone characterization of positive definite and semidefinite matrices. Linear Algebra and its Applications. 56. 89–103. 19 indexed citations

9.

Fujiwara, Okitsugu, S.-P. Han, & O. L. Mangasarian. (1984). Local Duality of Nonlinear Programs. SIAM Journal on Control and Optimization. 22(1). 162–169. 16 indexed citations

10.

Han, S.-P. & O. L. Mangasarian. (1984). Characterization of Positive Definite and Semide Finite Matrices via Quadratic Programming Duality. SIAM Journal on Algebraic and Discrete Methods. 5(1). 26–32. 6 indexed citations

11.

Han, S.-P. & O. L. Mangasarian. (1983). A conjugate decomposition of the Euclidean space. Proceedings of the National Academy of Sciences. 80(16). 5156–5157. 3 indexed citations

12.

Han, S.-P. & O. L. Mangasarian. (1979). Exact penalty functions in nonlinear programming. Mathematical Programming. 17(1). 251–269. 251 indexed citations

13.

Han, S.-P.. (1978). On the Validity of a Nonlinear Programming Method for Solving Minimax Problems.. Defense Technical Information Center (DTIC). 1 indexed citations

14.

Han, S.-P.. (1977). A globally convergent method for nonlinear programming. Journal of Optimization Theory and Applications. 22(3). 297–309. 778 indexed citations breakdown →

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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