André C. M. Ran

4.7k total citations · 1 hit paper
157 papers, 2.9k citations indexed

About

André C. M. Ran is a scholar working on Computational Theory and Mathematics, Applied Mathematics and Mathematical Physics. According to data from OpenAlex, André C. M. Ran has authored 157 papers receiving a total of 2.9k indexed citations (citations by other indexed papers that have themselves been cited), including 106 papers in Computational Theory and Mathematics, 53 papers in Applied Mathematics and 48 papers in Mathematical Physics. Recurrent topics in André C. M. Ran's work include Matrix Theory and Algorithms (95 papers), Spectral Theory in Mathematical Physics (32 papers) and Holomorphic and Operator Theory (28 papers). André C. M. Ran is often cited by papers focused on Matrix Theory and Algorithms (95 papers), Spectral Theory in Mathematical Physics (32 papers) and Holomorphic and Operator Theory (28 papers). André C. M. Ran collaborates with scholars based in Netherlands, United States and South Africa. André C. M. Ran's co-authors include Martine Reurings, Leiba Rodman, M. A. Kaashoek, Joseph A. Ball, Jacob Engwerda, Salah M. El‐Sayed, Christian Mehl, Volker Mehrmann, Jan H. van Schuppen and Israel Gohberg and has published in prestigious journals such as IEEE Transactions on Automatic Control, Automatica and Journal of Mathematical Analysis and Applications.

In The Last Decade

André C. M. Ran

142 papers receiving 2.6k citations

Hit Papers

A fixed point theorem in partially ordered sets and some ... 2003 2026 2010 2018 2003 250 500 750 1000
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.

  1. A fixed point theorem in partially ordered sets and some applications to matrix equations
    2003 1.0k citations André C. M. Ran, Martine Reurings profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
André C. M. Ran Netherlands 24 1.3k 1.1k 649 533 482 157 2.9k
Andrei Agrachev Italy 24 435 0.3× 890 0.8× 169 0.3× 999 1.9× 1.0k 2.1× 104 2.8k
Clàudìa Valls Portugal 22 382 0.3× 1.4k 1.2× 342 0.5× 956 1.8× 668 1.4× 477 2.7k
Dietmar Salamon United States 31 833 0.6× 2.4k 2.1× 357 0.6× 1.1k 2.0× 942 2.0× 66 4.2k
Jacques Faraut France 15 550 0.4× 461 0.4× 452 0.7× 87 0.2× 643 1.3× 45 1.8k
Roger D. Nussbaum United States 36 1.5k 1.2× 1.1k 1.0× 974 1.5× 1.5k 2.8× 1.8k 3.7× 116 4.8k
Ralph S. Phillips United States 32 1.2k 0.9× 932 0.8× 353 0.5× 423 0.8× 1.5k 3.0× 91 4.2k
Leiba Rodman United States 29 3.0k 2.3× 489 0.4× 1.2k 1.8× 947 1.8× 1.5k 3.1× 266 5.0k
W. A. Coppel Australia 19 465 0.4× 579 0.5× 519 0.8× 645 1.2× 571 1.2× 42 2.1k
Luca Dieci United States 25 519 0.4× 318 0.3× 607 0.9× 337 0.6× 110 0.2× 95 1.9k
Uwe Helmke Germany 24 604 0.5× 175 0.2× 428 0.7× 814 1.5× 153 0.3× 147 2.4k

Countries citing papers authored by André C. M. Ran

Since Specialization
Citations

This map shows the geographic impact of André C. M. Ran'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 André C. M. Ran with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites André C. M. Ran more than expected).

Fields of papers citing papers by André C. M. Ran

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by André C. M. Ran. 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 André C. M. Ran. The network helps show where André C. M. Ran may publish in the future.

Co-authorship network of co-authors of André C. M. Ran

This figure shows the co-authorship network connecting the top 25 collaborators of André C. M. Ran. A scholar is included among the top collaborators of André C. M. Ran 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 André C. M. Ran. André C. M. Ran is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
Wang, Zhen, Aijie Cheng, Hai Xiang Lin, et al.. (2023). Synchronization of power systems under stochastic disturbances. Automatica. 151. 110884–110884. 5 indexed citations
2.
Ran, André C. M., et al.. (2022). Global Properties of Eigenvalues of Parametric Rank One Perturbations for Unstructured and Structured Matrices II. Complex Analysis and Operator Theory. 16(6).
3.
Ran, André C. M., et al.. (2021). Mth roots of h-selfadjoint matrices over the quaternions. Digital Academic REpository of VU University Amsterdam (Vrije Universiteit Amsterdam).
4.
Ran, André C. M., et al.. (2020). Equivalence after extension and Schur Coupling for relatively regular operators. Digital Academic REpository of VU University Amsterdam (Vrije Universiteit Amsterdam).
5.
Kaashoek, M. A., et al.. (2017). Wiener–Hopf indices of unitary functions on the unit circle in terms of realizations and related results on Toeplitz operators. Indagationes Mathematicae. 28(3). 694–710. 4 indexed citations
6.
Ran, André C. M., et al.. (2014). A singular M-matrix perturbed by a nonnegative rank one matrix has positive principal minors; is it D-stable?. Linear Algebra and its Applications. 457. 191–208. 6 indexed citations
7.
Fourie, Jan, et al.. (2013). Rank one perturbations of H -positive real matrices. Linear Algebra and its Applications. 439(3). 653–674. 7 indexed citations
8.
Ran, André C. M., et al.. (2012). Controllability and observability of coordinated linear systems.. Data Archiving and Networked Services (DANS). 6 indexed citations
9.
Mehl, Christian, Volker Mehrmann, André C. M. Ran, & Leiba Rodman. (2010). Perturbation theory of selfadjoint matrices and sign characteristics under generic structured rank one perturbations. Linear Algebra and its Applications. 436(10). 4027–4042. 26 indexed citations
10.
Mehl, Christian, Volker Mehrmann, André C. M. Ran, & Leiba Rodman. (2008). Perturbation analysis of Lagrangian invariant subspaces of symplectic matrices. Linear and Multilinear Algebra. 57(2). 141–184. 9 indexed citations
11.
Ran, André C. M., et al.. (2008). Control for coordination of linear systems. Centrum Wiskunde & Informatica (CWI), the national research institute for mathematics and computer science in the Netherlands. 9 indexed citations
12.
Fourie, Jan, et al.. (2007). Positive real matrices in indefinite inner product spaces and invariant maximal semidefinite subspaces. Linear Algebra and its Applications. 424(2-3). 346–370. 4 indexed citations
13.
Ran, André C. M. & Martine Reurings. (2002). On the nonlinear matrix equation X+A∗F(X)A=Q: solutions and perturbation theory. Linear Algebra and its Applications. 346(1-3). 15–26. 64 indexed citations
14.
Dijksma, Aad, M. A. Kaashoek, & André C. M. Ran. (2001). Recent Advances in Operator Theory. Birkhäuser Basel eBooks. 10 indexed citations
15.
Langer, Heinz, André C. M. Ran, & Dirk Temme. (1997). Nonnegative solutions of algebraic Riccati equations. Linear Algebra and its Applications. 261(1-3). 317–352. 5 indexed citations
16.
Ran, André C. M., et al.. (1993). Stability index of invariant subspaced of matrices. Linear and Multilinear Algebra. 36(1). 27–39. 6 indexed citations
17.
Engwerda, Jacob, et al.. (1993). Necessary and sufficient conditions for the existence of a positive definite solution of the matrix equation X +A∗X-1A = Q. Linear Algebra and its Applications. 186. 255–275. 142 indexed citations
18.
Kaashoek, M. A., et al.. (1990). Realization and Modelling in System Theory. Birkhäuser Boston eBooks. 23 indexed citations
19.
Ran, André C. M., et al.. (1988). Existence and comparison theorems for algebraic Riccati equations for continuous- and discrete-time systems. Linear Algebra and its Applications. 99. 63–83. 125 indexed citations
20.
Ball, Joseph A. & André C. M. Ran. (1987). Global inverse spectral problems for rational matrix functions. Linear Algebra and its Applications. 86. 237–282. 28 indexed citations

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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