William Matthews

I am a research associate at the
Department of Applied Mathematics and Theoretical Physics of the
University of Cambridge working in the
Centre for Quantum Information and Foundations.

Selected Publications

"Unbounded number of channel uses are required to see quantum capacity",
Toby Cubitt, David Elkouss, W. M., Maris Ozols, David Perez-Garcia, Sergii Strelchuk,
arXiv:1408.5115, Nature Communications 6, 7739 (2015).

"On the power of PPT-preserving and non-signalling codes",
Debbie Leung and W. M.,
arXiv:1406.7142, to appear in Information Theory, IEEE Transactions on.

"Finite blocklength converse bounds for quantum channels",
W. M. and Stephanie Wehner,
arXiv:1210.4722, Information Theory, IEEE Transactions on, vol. 60, pp. 7317-7329 (2014)

"A linear program for the finite block length converse of Polyanskiy-Poor-Verdú via non-signalling codes",
arXiv:1109.5417, Information Theory, IEEE Transactions on, vol. 58, pp. 7036-7044, (2012).

"Entanglement can increase asymptotic rates of zero-error classical communication over classical channels",
Debbie Leung, Laura Mancinska, W.M., Maris Ozols, Aidan Roy,
arXiv:1009.1195, Commun. Math. Phys. 311, 97-111, (2012).

"Entanglement-Enhanced Classical Communication over a Noisy Classical Channel"
(experimental work with the Quantum Optics and Quantum Information group at IQC),
R. Prevedel, Y. Lu, W. M., R. Kaltenbaek, K. J. Resch,
arXiv:1010.2566, Phys. Rev. Lett. 106, 110505, (2011).

"Zero-error channel capacity and simulation assisted by non-local correlations",
Toby S. Cubitt, Debbie Leung, W.M., Andreas Winter,
arXiv:1003.3195, Information Theory, IEEE Transactions on, vol.57, no.8, pp.5509-5523, (2011) .

"Entanglement in channel discrimination with restricted measurements",
W.M., Marco Piani, John Watrous,
arXiv:1004.0888, Phys. Rev. A 82, 032302, (2010).

"Improving zero-error classical communication with entanglement",
Toby S. Cubitt, Debbie Leung, W.M., Andreas Winter,
arXiv:0911.5300, Phys. Rev. Lett. 104, 230503, (2010).

"Distinguishability of Quantum States Under Restricted Families of Measurements with an Application to Quantum Data Hiding",
W.M., Stephanie Wehner and Andreas Winter,
arXiv:0810.2327, Commun. Math. Phys. 291 813-43, (2009).

A complete list can be found on the arXiv.

Contact details

will_northala.net