Ryogo Hirota

18.3k total citations · 4 hit papers
104 papers, 13.5k citations indexed

About

Ryogo Hirota is a scholar working on Statistical and Nonlinear Physics, Atomic and Molecular Physics, and Optics and Geometry and Topology. According to data from OpenAlex, Ryogo Hirota has authored 104 papers receiving a total of 13.5k indexed citations (citations by other indexed papers that have themselves been cited), including 85 papers in Statistical and Nonlinear Physics, 30 papers in Atomic and Molecular Physics, and Optics and 16 papers in Geometry and Topology. Recurrent topics in Ryogo Hirota's work include Nonlinear Waves and Solitons (78 papers), Nonlinear Photonic Systems (68 papers) and Advanced Fiber Laser Technologies (16 papers). Ryogo Hirota is often cited by papers focused on Nonlinear Waves and Solitons (78 papers), Nonlinear Photonic Systems (68 papers) and Advanced Fiber Laser Technologies (16 papers). Ryogo Hirota collaborates with scholars based in Japan, United States and France. Ryogo Hirota's co-authors include Junkichi Satsuma, Yasuhiro Ohta, Masaaki Ito, Kohei Suzuki, Satoshi Tsujimoto, Jarmo Hietarinta, A. Ramani, Kinji Kimura, Akira Nakamura and Xing‐Biao Hu and has published in prestigious journals such as Physical Review Letters, Journal of Applied Physics and Proceedings of the IEEE.

In The Last Decade

Ryogo Hirota

101 papers receiving 12.7k 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.

The Direct Method in Soliton Theory

2004 2.9k citations Ryogo Hirota Cambridge University Press eBooks profile →
Exact Solution of the Korteweg—de Vries Equation for Multiple Collisions of Solitons

1971 2.5k citations Ryogo Hirota profile →
Exact envelope-soliton solutions of a nonlinear wave equation

1973 1.1k citations Ryogo Hirota Journal of Mathematical Physics profile →
Soliton solutions of a coupled Korteweg-de Vries equation

1981 670 citations Ryogo Hirota, Junkichi Satsuma Physics Letters A profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Ryogo Hirota Japan	44	12.7k	3.7k	3.4k	2.5k	1.8k	104	13.5k
Miki Wadati Japan	50	7.7k 0.6×	2.7k 0.7×	4.0k 1.2×	1.0k 0.4×	1.9k 1.1×	341	10.6k
Peter A. Clarkson United Kingdom	35	8.1k 0.6×	2.1k 0.6×	1.9k 0.6×	1.8k 0.7×	1.3k 0.7×	105	8.9k
Harvey Segur United States	33	9.8k 0.8×	1.8k 0.5×	2.9k 0.9×	798 0.3×	2.4k 1.3×	70	11.5k
Junkichi Satsuma Japan	38	6.3k 0.5×	2.0k 0.5×	1.7k 0.5×	988 0.4×	1.1k 0.6×	134	7.0k
Wen‐Xiu Ma China	86	22.3k 1.8×	6.3k 1.7×	4.4k 1.3×	5.9k 2.4×	2.7k 1.5×	500	23.2k
D. J. Kaup United States	40	9.1k 0.7×	1.2k 0.3×	4.9k 1.4×	524 0.2×	2.0k 1.1×	198	11.4k
Engui Fan China	42	8.3k 0.7×	2.0k 0.6×	1.5k 0.4×	2.7k 1.1×	1.2k 0.6×	222	8.6k
Sen‐Yue Lou China	53	8.4k 0.7×	2.4k 0.6×	2.5k 0.7×	1.3k 0.5×	891 0.5×	281	8.6k
F. Calogero Italy	37	5.2k 0.4×	2.0k 0.5×	3.1k 0.9×	311 0.1×	1.0k 0.6×	364	7.9k
Nikolay A. Kudryashov Russia	53	9.3k 0.7×	1.5k 0.4×	3.6k 1.0×	2.2k 0.9×	1.0k 0.6×	386	10.5k

Countries citing papers authored by Ryogo Hirota

Since Specialization

Citations

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

Fields of papers citing papers by Ryogo Hirota

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Ryogo Hirota. 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 Ryogo Hirota. The network helps show where Ryogo Hirota may publish in the future.

Co-authorship network of co-authors of Ryogo Hirota

This figure shows the co-authorship network connecting the top 25 collaborators of Ryogo Hirota. A scholar is included among the top collaborators of Ryogo Hirota 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 Ryogo Hirota. Ryogo Hirota 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:

20 of 20 papers shown

Hirota, Ryogo. (2004). The Direct Method in Soliton Theory. Cambridge University Press eBooks. 2934 indexed citations breakdown →

Hirota, Ryogo. (2003). Determinants and Pfaffians : How to obtain N-soliton solutions from 2-soliton solutions (New Developments in the Research of Integrable Systems : Continuous, Discrete, Ultra-discrete). Kyoto University Research Information Repository (Kyoto University). 1302. 220–242. 3 indexed citations

Hirota, Ryogo, Xing‐Biao Hu, & Xiaoyan Tang. (2003). A vector potential KdV equation and vector Ito equation: soliton solutions, bilinear Bäcklund transformations and Lax pairs. Journal of Mathematical Analysis and Applications. 288(1). 326–348. 86 indexed citations

Hirota, Ryogo, et al.. (2001). Soliton equations exhibiting Pfaffian solutions. Glasgow Mathematical Journal. 43(A). 33–41. 11 indexed citations

Hirota, Ryogo. (1997). Conserved Quantities of “Random-Time Toda Equation”. Journal of the Physical Society of Japan. 66(2). 283–284. 17 indexed citations

Hirota, Ryogo. (1997). “Molecule Solutions” of Coupled Modified KdV Equations. Journal of the Physical Society of Japan. 66(9). 2530–2532. 22 indexed citations

Ohta, Yasuhiro, et al.. (1993). Casorati and Discrete Gram Type Determinant Representations of Solutions to the Discrete KP Hierarchy. Journal of the Physical Society of Japan. 62(6). 1872–1886. 80 indexed citations

Hirota, Ryogo. (1987). Discrete Two-Dimensional Toda Molecule Equation. Journal of the Physical Society of Japan. 56(12). 4285–4288. 49 indexed citations

Nakamura, Akira & Ryogo Hirota. (1985). A New Example of Explode-Decay Solitary Waves in One-Dimension. Journal of the Physical Society of Japan. 54(2). 491–499. 41 indexed citations

10.

Hirota, Ryogo. (1982). Bilinearization of Soliton Equations. Journal of the Physical Society of Japan. 51(1). 323–331. 64 indexed citations

11.

Hirota, Ryogo & A. Ramani. (1980). The Miura transformations of Kaup's equation and of Mikhailov's equation. Physics Letters A. 76(2). 95–96. 33 indexed citations

12.

Hirota, Ryogo. (1979). The Bäcklund and Inverse Scattering Transform of the K-dV Equation with Nonuniformities. Journal of the Physical Society of Japan. 46(5). 1681–1681. 31 indexed citations

13.

Hirota, Ryogo. (1977). Nonlinear Partial Difference Equations III; Discrete Sine-Gordon Equation. Journal of the Physical Society of Japan. 43(6). 2079–2086. 229 indexed citations

14.

Hirota, Ryogo & Junkichi Satsuma. (1977). Nonlinear Evolution Equations Generated from the Backlund Transformation for the Boussinesq Equation. Progress of Theoretical Physics. 57(3). 797–807. 147 indexed citations

15.

Toda, Morikazu, Ryogo Hirota, & Junkichi Satsuma. (1976). Chopping Phenomenon of a Nonlinear System. Progress of Theoretical Physics Supplement. 59. 148–161. 13 indexed citations

16.

Hirota, Ryogo. (1973). Exact N-Soliton Solution of Nonlinear Lumped Self-Dual Network Equations. Journal of the Physical Society of Japan. 35(1). 289–294. 94 indexed citations

17.

Hirota, Ryogo. (1973). Exact envelope-soliton solutions of a nonlinear wave equation. Journal of Mathematical Physics. 14(7). 805–809. 1069 indexed citations breakdown →

18.

Suzuki, Kohei & Ryogo Hirota. (1971). Nonreciprocal millimeter-wave devices using a solid-state plasma at room temperature. IEEE Transactions on Electron Devices. 18(7). 408–411. 20 indexed citations

19.

Hirota, Ryogo, et al.. (1964). Effect of the Self-Magnetic Field on Galvanomagnetic Effects in Bismuth. IBM Journal of Research and Development. 8(3). 291–294. 6 indexed citations

20.

Hirota, Ryogo, et al.. (1963). A Geometrical Method of Investigating Dispersion Relations. Journal of the Physical Society of Japan. 18(2). 304–304. 1 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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