R.W. Freund

2.6k total citations · 1 hit paper
18 papers, 1.7k citations indexed

About

R.W. Freund is a scholar working on Statistical and Nonlinear Physics, Electrical and Electronic Engineering and Computational Theory and Mathematics. According to data from OpenAlex, R.W. Freund has authored 18 papers receiving a total of 1.7k indexed citations (citations by other indexed papers that have themselves been cited), including 13 papers in Statistical and Nonlinear Physics, 13 papers in Electrical and Electronic Engineering and 8 papers in Computational Theory and Mathematics. Recurrent topics in R.W. Freund's work include Model Reduction and Neural Networks (13 papers), Low-power high-performance VLSI design (11 papers) and Matrix Theory and Algorithms (6 papers). R.W. Freund is often cited by papers focused on Model Reduction and Neural Networks (13 papers), Low-power high-performance VLSI design (11 papers) and Matrix Theory and Algorithms (6 papers). R.W. Freund collaborates with scholars based in United States, Germany and Spain. R.W. Freund's co-authors include P. Feldmann, José I. Aliaga, Vicente Hernández, Daniel Boley, Florian Jarre, Zhaojun Bai and W.M. Coughran and has published in prestigious journals such as IEEE Transactions on Automatic Control, Mathematics of Computation and IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems.

In The Last Decade

R.W. Freund

16 papers receiving 1.6k citations

Hit Papers

Efficient linear circuit analysis by Pade approximation v... 1995 2026 2005 2015 1995 250 500 750
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. Efficient linear circuit analysis by Pade approximation via the Lanczos process
    1995 983 citations P. Feldmann, R.W. Freund IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
R.W. Freund United States 14 1.2k 1.1k 455 299 267 18 1.7k
P. Feldmann United States 21 1.6k 1.4× 987 0.9× 401 0.9× 327 1.1× 240 0.9× 56 2.2k
M. Celik United States 17 1.8k 1.6× 901 0.9× 297 0.7× 209 0.7× 236 0.9× 54 2.2k
Altan Odabasioglu United States 7 1.2k 1.0× 738 0.7× 251 0.6× 193 0.6× 177 0.7× 7 1.4k
Yangfeng Su China 16 419 0.4× 451 0.4× 296 0.7× 128 0.4× 157 0.6× 63 1.0k
Eli Chiprout United States 18 1.3k 1.1× 300 0.3× 99 0.2× 59 0.2× 84 0.3× 50 1.4k
A.E. Ruehli United States 16 1.7k 1.5× 104 0.1× 272 0.6× 21 0.1× 133 0.5× 43 2.1k
E. Grimme United States 6 188 0.2× 327 0.3× 178 0.4× 100 0.3× 90 0.3× 12 488
Jens Saak Germany 17 103 0.1× 659 0.6× 341 0.7× 153 0.5× 189 0.7× 73 876
Sebastian Schöps Germany 16 419 0.4× 141 0.1× 146 0.3× 86 0.3× 105 0.4× 132 837
Ulrich Hetmaniuk United States 16 365 0.3× 166 0.2× 96 0.2× 71 0.2× 45 0.2× 36 965

Countries citing papers authored by R.W. Freund

Since Specialization
Citations

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

Fields of papers citing papers by R.W. Freund

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by R.W. Freund. 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 R.W. Freund. The network helps show where R.W. Freund may publish in the future.

Co-authorship network of co-authors of R.W. Freund

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

All Works

18 of 18 papers shown
1.
Freund, R.W.. (2005). SPRIM: structure-preserving reduced-order interconnect macromodeling. 80–87. 162 indexed citations
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Freund, R.W.. (2002). Passive reduced-order modeling via Krylov-subspace methods. 261–266. 32 indexed citations
5.
Bai, Zhaojun, P. Feldmann, & R.W. Freund. (2002). How to make theoretically passive reduced-order models passive in practice. 207–210. 22 indexed citations
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Freund, R.W. & P. Feldmann. (2002). The SyMPVL algorithm and its applications to interconnect simulation. 113–116. 31 indexed citations
9.
Freund, R.W., et al.. (2002). Reduced-order modeling of large passive linear circuits by means of the SyPVL algorithm. 280–287. 37 indexed citations
10.
Freund, R.W., et al.. (2000). Eigenvalue-based characterization and test for positive realness of scalar transfer functions. IEEE Transactions on Automatic Control. 45(12). 2396–2402. 33 indexed citations
11.
Aliaga, José I., Daniel Boley, R.W. Freund, & Vicente Hernández. (1999). A Lanczos-type method for multiple starting vectors. Mathematics of Computation. 69(232). 1577–1602. 75 indexed citations
12.
Freund, R.W. & P. Feldmann. (1998). Reduced-order modeling of large linear passive multi-terminal circuits using matrix-padé approximation. Design, Automation, and Test in Europe. 530–537. 19 indexed citations
13.
Freund, R.W. & P. Feldmann. (1996). Reduced-order modeling of large passive linear circuits by means of the SYPVL algorithm. 280–287. 72 indexed citations
14.
Freund, R.W. & P. Feldmann. (1996). Small-signal circuit analysis and sensitivity computations with the PVL algorithm. IEEE Transactions on Circuits and Systems II Analog and Digital Signal Processing. 43(8). 577–585. 25 indexed citations
15.
Feldmann, P. & R.W. Freund. (1995). Reduced-order modeling of large linear subcircuits via a block Lanczos algorithm. 474–479. 175 indexed citations
16.
Feldmann, P. & R.W. Freund. (1995). Efficient linear circuit analysis by Pade approximation via the Lanczos process. IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems. 14(5). 639–649. 983 indexed citations breakdown →
17.
Freund, R.W. & Florian Jarre. (1995). An interior-point method for multifractional programs with convex constraints. Journal of Optimization Theory and Applications. 85(1). 125–161. 20 indexed citations
18.
Freund, R.W. & P. Feldmann. (1994). Efficient small-signal circuit analysis and sensitivity computations with the PVL algorithm. International Conference on Computer Aided Design. 404–411. 14 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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