Ravishankar Ramanathan

   Assistant Professor
   Department of Computer Science, The University of Hong Kong

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Research Interests

Quantum cryptography, device-independent quantum information theory, quantum foundations.

Selected Publications

​F. G. S. L. Brandao, R. Ramanathan, A. Grudka, K. Horodecki, M. Horodecki,
P. Horodecki, T. Szarek, H. Wojewodka; "Realistic noise-tolerant randomness
amplification using finite number of devices", Nature Communications 7,
11345 (2016).

P. Horodecki and R. Ramanathan; "The relativistic causality versus
no-signaling paradigm for multi-party correlations", Nature Communications
10, 1701 (2019).

R. Ramanathan, D. Goyeneche, S. Muhammad, P. Mironowicz, M. Grunfeld, M.
Bourennane and P. Horodecki; "Steering is an essential feature of
non-locality in quantum theory", Nature Communications 9, 4244 (2018).

R. Ramanathan, J. Tuziemski, M. Horodecki and P. Horodecki; "No Quantum
Realization of Extremal No-Signaling Boxes", Physical Review Letters 117,
050401 (2016).

R. Ramanathan and P. Horodecki; "Necessary and Sufficient Condition for
State-Independent Contextual Measurement Scenarios", Physical Review Letters
112, 040404 (2014).

R. Ramanathan, F. Brandao, K. Horodecki, M. Horodecki, P. Horodecki, H.
Wojewodka; "Randomness amplification against no-signaling adversaries using
two devices", Physical Review Letters 117, 230501 (2016).

R. Ramanathan, A. Soeda, P. Kurzynski and D. Kaszlikowski; "Generalized
monogamy of contextual inequalities from the no-disturbance principle",
Physical Review Letters 109, 050404 (2012).

Ravishankar Ramanathan, Monika Rosicka, Karol Horodecki, Stefano Pironio,
Michał Horodecki, Paweł Horodecki; "Gadget structures in proofs of the
Kochen-Specker theorem", arXiv: 1807.00113 (2018).

CV

My CV can be found here.