K. R. Parthasarathy

7.6k total citations · 3 hit papers
75 papers, 4.3k citations indexed

About

K. R. Parthasarathy is a scholar working on Mathematical Physics, Artificial Intelligence and Atomic and Molecular Physics, and Optics. According to data from OpenAlex, K. R. Parthasarathy has authored 75 papers receiving a total of 4.3k indexed citations (citations by other indexed papers that have themselves been cited), including 28 papers in Mathematical Physics, 28 papers in Artificial Intelligence and 20 papers in Atomic and Molecular Physics, and Optics. Recurrent topics in K. R. Parthasarathy's work include Quantum Information and Cryptography (25 papers), Quantum Mechanics and Applications (16 papers) and Advanced Operator Algebra Research (11 papers). K. R. Parthasarathy is often cited by papers focused on Quantum Information and Cryptography (25 papers), Quantum Mechanics and Applications (16 papers) and Advanced Operator Algebra Research (11 papers). K. R. Parthasarathy collaborates with scholars based in India, United Kingdom and United States. K. R. Parthasarathy's co-authors include Б. Л. С. Пракаса Рао, R. L. Hudson, R. Ranga Rao, V. S. Varadarajan, Rajendra Bhatia, Kalyan B. Sinha, S. R. S. Varadhan, J. Martin Lindsay, Marius Iosifescu and K. Schmidt and has published in prestigious journals such as SHILAP Revista de lepidopterología, Journal of the American Statistical Association and Technometrics.

In The Last Decade

K. R. Parthasarathy

71 papers receiving 3.7k 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.

Probability Measures on Metric Spaces.

1968 1.5k citations K. R. Parthasarathy et al. profile →
Quantum Ito's formula and stochastic evolutions

1984 675 citations R. L. Hudson, K. R. Parthasarathy Communications in Mathematical Physics profile →
An Introduction to Quantum Stochastic Calculus

1992 513 citations K. R. Parthasarathy profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
K. R. Parthasarathy India	22	1.6k	1.5k	1.4k	778	643	75	4.3k
Luigi Accardi Italy	26	1.1k 0.7×	1.2k 0.8×	1.8k 1.3×	866 1.1×	812 1.3×	324	3.3k
Fumio Hiai Japan	28	871 0.6×	665 0.4×	547 0.4×	862 1.1×	425 0.7×	105	3.1k
Derek W. Robinson Australia	29	2.7k 1.7×	965 0.7×	2.9k 2.1×	444 0.6×	1.9k 3.0×	157	6.2k
Ya. G. Sinaǐ Russia	32	4.0k 2.5×	262 0.2×	608 0.4×	643 0.8×	3.0k 4.7×	121	7.2k
H. F. Trotter United States	15	812 0.5×	482 0.3×	922 0.7×	194 0.2×	319 0.5×	28	3.2k
William B. Jones United States	20	856 0.5×	549 0.4×	337 0.2×	179 0.2×	477 0.7×	91	4.4k
Frank Spitzer United States	26	2.6k 1.7×	481 0.3×	190 0.1×	1.2k 1.6×	593 0.9×	57	4.4k
W. J. Thron United States	22	1.1k 0.7×	585 0.4×	346 0.3×	208 0.3×	483 0.8×	87	4.7k
Gábor Szegő United States	22	1.6k 1.0×	531 0.4×	480 0.4×	688 0.9×	624 1.0×	39	7.5k
S. R. S. Varadhan United States	38	3.4k 2.2×	532 0.4×	385 0.3×	1.6k 2.0×	1.2k 1.9×	98	7.0k

Countries citing papers authored by K. R. Parthasarathy

Since Specialization

Citations

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

Fields of papers citing papers by K. R. Parthasarathy

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of K. R. Parthasarathy

This figure shows the co-authorship network connecting the top 25 collaborators of K. R. Parthasarathy. A scholar is included among the top collaborators of K. R. Parthasarathy 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 K. R. Parthasarathy. K. R. Parthasarathy 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

Parthasarathy, K. R.. (2018). From CCR to Lévy processes: An excursion in quantum probability. Expositiones Mathematicae. 36(3-4). 302–324. 2 indexed citations

Parthasarathy, K. R. & A. R. Usha Devi. (2017). From quantum stochastic differential equations to Gisin-Percival state diffusion. Journal of Mathematical Physics. 58(8). 1 indexed citations

Arvind, V., et al.. (2004). Non-stabilizer quantum codes from abelian subggroups of the error group. Quantum Information and Computation. 4(6). 411–436. 2 indexed citations

Bhatia, Rajendra & K. R. Parthasarathy. (2000). Positive Definite Functions and Operator Inequalities. Bulletin of the London Mathematical Society. 32(2). 214–228. 68 indexed citations

Lindsay, J. Martin & K. R. Parthasarathy. (1998). On the Generators of Quantum Stochastic Flows. Journal of Functional Analysis. 158(2). 521–549. 20 indexed citations

Parthasarathy, K. R.. (1998). Extreme Points of the Convex set of Stochastic Maps on A C^*-Algebra. Infinite Dimensional Analysis Quantum Probability and Related Topics. 1(4). 599–609. 3 indexed citations

Parthasarathy, K. R. & Kalyan B. Sinha. (1986). Stochastic integral representation of bounded quantum martingales in Fock space. Journal of Functional Analysis. 67(1). 126–151. 36 indexed citations

Parthasarathy, K. R. & Kalyan B. Sinha. (1986). Boson-fermion relations in several dimensions. Pramana. 27(1-2). 105–116. 5 indexed citations

Hudson, R. L. & K. R. Parthasarathy. (1984). Quantum Ito's formula and stochastic evolutions. Communications in Mathematical Physics. 93(3). 301–323. 675 indexed citations breakdown →

10.

Parthasarathy, K. R.. (1982). On a class of time inhomogenous nonsingular flows and Schr�dinger operators. Mathematische Zeitschrift. 179(1). 123–133. 1 indexed citations

11.

Parthasarathy, K. R. & Roger Plymen. (1980). On the outer and inner invariants of Connes. Journal of Functional Analysis. 38(1). 1–15. 1 indexed citations

12.

Parthasarathy, K. R. & K. Schmidt. (1975). Stable positive definite functions. Transactions of the American Mathematical Society. 203(0). 161–174. 8 indexed citations

13.

Parthasarathy, K. R.. (1974). The central limit theorem for positive definite functions on locally compact groups. Journal of Multivariate Analysis. 4(2). 123–149. 1 indexed citations

14.

Choudum, S.A. & K. R. Parthasarathy. (1972). Semi-regular relations and digraphs. Indagationes Mathematicae (Proceedings). 75(4). 326–334. 1 indexed citations

15.

Parthasarathy, K. R.. (1970). Infinitely divisible representations and positive definite functions on a compact group. Communications in Mathematical Physics. 16(2). 148–156. 12 indexed citations

16.

Liggett, Thomas M. & K. R. Parthasarathy. (1969). Probability Measures on Metric Spaces. Technometrics. 11(4). 839–839. 11 indexed citations

17.

Parthasarathy, K. R., R. Ranga Rao, & V. S. Varadarajan. (1967). Representations of Complex Semi-Simple Lie Groups and Lie Algebras. Annals of Mathematics. 85(3). 383–383. 112 indexed citations

18.

Parthasarathy, K. R., R. Ranga Rao, & V. S. Varadarajan. (1966). Representations of complex semisimple Lie groups and Lie algebras. Bulletin of the American Mathematical Society. 72(3). 522–525. 55 indexed citations

19.

Parthasarathy, K. R., et al.. (1962). On the Category of Indecomposable Distributions on Topological Groups. Transactions of the American Mathematical Society. 102(2). 200–200. 6 indexed citations

20.

Parthasarathy, K. R.. (1961). On the category of ergodic measures. Illinois Journal of Mathematics. 5(4). 37 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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