Leibniz International Proceedings in Informatics (LIPIcs) - Resultados de la búsqueda

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Resultados globales: 6 registros encontrados en 0.03 segundos.
Libros y colecciones, Encontrados 6 registros

Libros y colecciones	Encontrados 6 registros

15 p, 522.5 KB

The quantum entropy cone of stabiliser states / Linden, Noah (University of Bristol. School of Mathematics) ; Matúš, František (Academy of Sciences of the Czech Republic) ; Ruskai, Mary Beth (Tufts University) ; Winter, Andreas (Universitat Autònoma de Barcelona. Departament de Física)
We investigate the universal linear inequalities that hold for the von Neumann entropies in a multi-party system, prepared in a stabiliser state. We demonstrate here that entropy vectors for stabiliser states satisfy, in addition to the classic inequalities, a type of linear rank inequalities associated with the combinatorial structure of normal subgroups of certain matrix groups. [...]
Dagstuhl : Leibniz-Zentrum fuer Informatik, 2013 (Leibniz International Proceedings in Informatics (LIPIcs) ; 22) - DOI (Digital Object Identifier)

10.4230/LIPIcs.TQC.2013.270
8th Conference on the Theory of Quantum Computation, Communication and Cryptography (TQC 2013), 2013, p. 270-284

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4 p, 341.0 KB

Bounds on entanglement assisted source-channel coding via the lovász number and its variants / Cubitt, Toby (University of Cambridge) ; Mančinska, Laura (National University of Singapore) ; Roberson, David (Nanyang Technological University) ; Severini, Simone (University College London) ; Stahlke, Dan (Carnegie Mellon University) ; Winter, Andreas (Universitat Autònoma de Barcelona. Departament de Física)
We study zero-error entanglement assisted source-channel coding (communication in the presence of side information). Adapting a technique of Beigi, we show that such coding requires existence of a set of vectors satisfying orthogonality conditions related to suitably defined graphs G and H. [...]
Dagstuhl : Leibniz-Zentrum fuer Informatik, 2014 (Leibniz International Proceedings in Informatics (LIPIcs) ; 27) - DOI (Digital Object Identifier)

10.1109/TIT.2014.2349502
9th Conference on the Theory of Quantum Computation, Communication and Cryptography (TQC 2014), 2014, p. 48-51

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15 p, 473.5 KB

Strong converse for the quantum capacity of the erasure channel for almost all codes / Wilde, Mark M. (Louisiana State University. Department of Physics and Astronomy) ; Winter, Andreas (Universitat Autònoma de Barcelona. Departament de Física)
A strong converse theorem for channel capacity establishes that the error probability in any communication scheme for a given channel necessarily tends to one if the rate of communication exceeds the channel's capacity. [...]
Dagstuhl : Leibniz-Zentrum fuer Informatik, 2014 (Leibniz International Proceedings in Informatics (LIPIcs) ; 27) - DOI (Digital Object Identifier)

10.4230/LIPIcs.TQC.2014.52
9th Conference on the Theory of Quantum Computation, Communication and Cryptography (TQC 2014), 2014, p. 52-66

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11 p, 443.2 KB

Quantum learning of classical stochastic processes : The completely-positive realization problem / Monras Blasi, Àlex (Universitat Autònoma de Barcelona. Departament de Física) ; Winter, Andreas (Universitat Autònoma de Barcelona. Departament de Física)
Among several tasks in Machine Learning, is the problem of inferring the latent variables of a system and their causal relations with the observed behavior. A paradigmatic instance of such problem is the task of inferring the Hidden Markov Model underlying a given stochastic process. [...]
Dagstuhl : Leibniz-Zentrum fuer Informatik, 2014 (Leibniz International Proceedings in Informatics (LIPIcs) ; 27) - DOI (Digital Object Identifier)

10.4230/LIPIcs.TQC.2014.99
9th Conference on the Theory of Quantum Computation, Communication and Cryptography (TQC 2014), 2014, p. 99-109

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15 p, 532.3 KB

Implementing unitary 2-designs using random diagonal-unitary matrices / Nakata, Yoshifumi (Leibniz Universität Hannover) ; Hirche, Christoph (Leibniz Universität Hannover) ; Morgan, Ciara (Leibniz Universität Hannover) ; Winter, Andreas (Universitat Autònoma de Barcelona. Departament de Física)
Unitary 2-designs are random unitary matrices which, in contrast to their Haar-distributed counterparts, have been shown to be efficiently realized by quantum circuits. Most notably, unitary 2-designs are known to achieve decoupling, a fundamental primitive of paramount importance in quantum Shannon theory. [...]
Dagstuhl : Leibniz-Zentrum fuer Informatik, 2015 (Leibniz International Proceedings in Informatics (LIPIcs) ; 44) - DOI (Digital Object Identifier)

10.4230/LIPIcs.TQC.2015.191
10th Conference on the Theory of Quantum Computation, Communication and Cryptography (TQC 2015), 2015, p. 191-205

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11 p, 583.0 KB

Quantum enhancement of randomness distribution / Garcia-Patron, Raul (Université Libre de Bruxelles) ; Matthews, William (University of Cambridge. Department of Applied Mathematics Theoretical Physics) ; Winter, Andreas (Universitat Autònoma de Barcelona. Departament de Física)
The capability of a given channel to transmit information is, a priori, distinct from its capability to distribute random correlations. Despite that, for classical channels, the capacity to distribute information and randomness turns out to be the same, even with the assistance of auxiliary communication. [...]
Dagstuhl : Leibniz-Zentrum fuer Informatik, 2015 (Leibniz International Proceedings in Informatics (LIPIcs) ; 44) - DOI (Digital Object Identifier)

10.4230/LIPIcs.TQC.2015.180
10th Conference on the Theory of Quantum Computation, Communication and Cryptography (TQC 2015), 2015, p. 180-190

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