Ognyan Oreshkov

1.7k total citations · 1 hit paper
25 papers, 991 citations indexed

About

Ognyan Oreshkov is a scholar working on Artificial Intelligence, Atomic and Molecular Physics, and Optics and Statistical and Nonlinear Physics. According to data from OpenAlex, Ognyan Oreshkov has authored 25 papers receiving a total of 991 indexed citations (citations by other indexed papers that have themselves been cited), including 24 papers in Artificial Intelligence, 23 papers in Atomic and Molecular Physics, and Optics and 3 papers in Statistical and Nonlinear Physics. Recurrent topics in Ognyan Oreshkov's work include Quantum Information and Cryptography (23 papers), Quantum Computing Algorithms and Architecture (20 papers) and Quantum Mechanics and Applications (19 papers). Ognyan Oreshkov is often cited by papers focused on Quantum Information and Cryptography (23 papers), Quantum Computing Algorithms and Architecture (20 papers) and Quantum Mechanics and Applications (19 papers). Ognyan Oreshkov collaborates with scholars based in Belgium, United States and Spain. Ognyan Oreshkov's co-authors include Fabio Costa, Časlav Brukner, Todd A. Brun, Cédric Bény, Daniel A. Lidar, Nicolas J. Cerf, John Calsamiglia, Jonathan Barrett, Hari Krovi and Mark M. Wilde and has published in prestigious journals such as Physical Review Letters, Nature Communications and Nature Physics.

In The Last Decade

Ognyan Oreshkov

24 papers receiving 970 citations

Hit Papers

Quantum correlations with no causal order 2012 2026 2016 2021 2012 100 200 300
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. Quantum correlations with no causal order
    2012 340 citations Ognyan Oreshkov, Fabio Costa et al. Nature Communications profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Ognyan Oreshkov Belgium 15 866 855 167 54 27 25 991
Mateus Araújo Austria 15 975 1.1× 927 1.1× 190 1.1× 61 1.1× 32 1.2× 29 1.1k
Daniel Collins United Kingdom 9 1.3k 1.5× 1.3k 1.6× 122 0.7× 43 0.8× 19 0.7× 13 1.4k
Rodrigo Gallego Spain 14 762 0.9× 818 1.0× 165 1.0× 47 0.9× 10 0.4× 19 876
M. D. Srinivas India 11 363 0.4× 463 0.5× 188 1.1× 24 0.4× 13 0.5× 26 559
Fabio Costa Australia 17 1.2k 1.4× 1.4k 1.7× 338 2.0× 47 0.9× 80 3.0× 39 1.7k
Sibasish Ghosh India 17 933 1.1× 941 1.1× 193 1.2× 33 0.6× 5 0.2× 68 1.1k
Juha-Pekka Pellonpää Finland 14 569 0.7× 591 0.7× 185 1.1× 35 0.6× 6 0.2× 55 714
R. M. Angelo Brazil 16 552 0.6× 666 0.8× 250 1.5× 8 0.1× 53 2.0× 47 712
George Svetlichny Brazil 7 581 0.7× 639 0.7× 94 0.6× 30 0.6× 18 0.7× 24 683
Denis Rosset Switzerland 16 868 1.0× 881 1.0× 125 0.7× 21 0.4× 5 0.2× 21 952

Countries citing papers authored by Ognyan Oreshkov

Since Specialization
Citations

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

Fields of papers citing papers by Ognyan Oreshkov

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Ognyan Oreshkov

This figure shows the co-authorship network connecting the top 25 collaborators of Ognyan Oreshkov. A scholar is included among the top collaborators of Ognyan Oreshkov 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 Ognyan Oreshkov. Ognyan Oreshkov 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.
Castro-Ruiz, Esteban & Ognyan Oreshkov. (2025). Relative subsystems and quantum reference frame transformations. Communications Physics. 8(1). 187–187. 6 indexed citations
2.
Oreshkov, Ognyan, et al.. (2025). Subsystem Decompositions of Quantum Evolutions and Transformations between Causal Perspectives. Physical Review Letters. 135(19). 190201–190201.
3.
Branciard, Cyril, et al.. (2023). Existence of processes violating causal inequalities on time-delocalised subsystems. Nature Communications. 14(1). 1471–1471. 8 indexed citations
4.
Barrett, Jonathan, et al.. (2021). Cyclic quantum causal models. Nature Communications. 12(1). 885–885. 41 indexed citations
5.
Oreshkov, Ognyan, et al.. (2019). Multicopy uncertainty observable inducing a symplectic-invariant uncertainty relation in position and momentum phase space. Physical review. A. 100(5). 3 indexed citations
6.
7.
Oreshkov, Ognyan & Nicolas J. Cerf. (2015). Operational formulation of time reversal in quantum theory. Nature Physics. 11(10). 853–858. 28 indexed citations
8.
Gagatsos, Christos N., Ognyan Oreshkov, & Nicolas J. Cerf. (2013). Majorization relations and entanglement generation in a beam splitter. Physical Review A. 87(4). 13 indexed citations
9.
Oreshkov, Ognyan, Fabio Costa, & Časlav Brukner. (2012). Quantum correlations with no causal order. Nature Communications. 3(1). 1092–1092. 340 indexed citations breakdown →
10.
Bény, Cédric & Ognyan Oreshkov. (2010). General Conditions for Approximate Quantum Error Correction and Near-Optimal Recovery Channels. Physical Review Letters. 104(12). 120501–120501. 75 indexed citations
11.
Oreshkov, Ognyan & John Calsamiglia. (2010). Adiabatic Markovian Dynamics. Physical Review Letters. 105(5). 50503–50503. 34 indexed citations
12.
Oreshkov, Ognyan. (2009). Holonomic Quantum Computation in Subsystems. Physical Review Letters. 103(9). 90502–90502. 16 indexed citations
13.
Oreshkov, Ognyan, Todd A. Brun, & Daniel A. Lidar. (2009). Fault-Tolerant Holonomic Quantum Computation. Physical Review Letters. 102(7). 70502–70502. 54 indexed citations
14.
Oreshkov, Ognyan & John Calsamiglia. (2009). Distinguishability measures between ensembles of quantum states. Physical Review A. 79(3). 18 indexed citations
15.
Oreshkov, Ognyan, Daniel A. Lidar, & Todd A. Brun. (2008). Operator quantum error correction for continuous dynamics. Physical Review A. 78(2). 10 indexed citations
16.
Oreshkov, Ognyan. (2008). Robustness of operator quantum error correction with respect to initialization errors. Physical Review A. 77(3). 9 indexed citations
17.
Krovi, Hari, et al.. (2007). Non-Markovian dynamics of a qubit coupled to an Ising spin bath. Physical Review A. 76(5). 51 indexed citations
18.
Oreshkov, Ognyan & Todd A. Brun. (2007). Continuous quantum error correction for non-Markovian decoherence. Physical Review A. 76(2). 30 indexed citations
19.
Oreshkov, Ognyan & Todd A. Brun. (2006). Infinitesimal local operations and differential conditions for entanglement monotones. Physical Review A. 73(4). 6 indexed citations
20.
Oreshkov, Ognyan & Todd A. Brun. (2005). Weak Measurements Are Universal. Physical Review Letters. 95(11). 110409–110409. 129 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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