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pro vyhledávání: '"George, Ian"'
Distribution of entanglement is an essential task in quantum information processing and the realization of quantum networks. In our work, we theoretically investigate the scenario where a central source prepares an N-partite entangled state and trans
Externí odkaz:
http://arxiv.org/abs/2411.04977
An important goal in quantum key distribution (QKD) is the task of providing a finite-size security proof without the assumption of collective attacks. For prepare-and-measure QKD, one approach for obtaining such proofs is the generalized entropy acc
Externí odkaz:
http://arxiv.org/abs/2406.10198
In many quantum tasks, there is an unknown quantum object that one wishes to learn. An online strategy for this task involves adaptively refining a hypothesis to reproduce such an object or its measurement statistics. A common evaluation metric for s
Externí odkaz:
http://arxiv.org/abs/2406.04245
The no cloning theorem leads to information-theoretic security in various quantum cryptographic protocols. However, this security typically derives from a possibly weaker property that classical information encoded in certain quantum states cannot be
Externí odkaz:
http://arxiv.org/abs/2311.00677
Autor:
Brown, Jason I., George, Ian
In this paper, graph theory is used to explore the musical notion of tonal modulation, in theory and application. We define (pivot) modulation graphs based on the common scales used in popular music. Properties and parameters of these graphs are disc
Externí odkaz:
http://arxiv.org/abs/2306.13691
Publikováno v:
PRX Quantum 4, 040306 (2023)
Discrete-Modulated (DM) Continuous-Variable Quantum Key Distribution (CV-QKD) protocols are promising candidates for commercial implementations of quantum communication networks due to their experimental simplicity. While tight security analyses in t
Externí odkaz:
http://arxiv.org/abs/2301.08686
Autor:
George, Ian, Chitambar, Eric
It is known that general convertibility of bipartite entangled states is not possible to arbitrary error without some classical communication. While some trade-offs between communication cost and conversion error have been proven, these bounds can be
Externí odkaz:
http://arxiv.org/abs/2301.04735
Distributed source simulation is the task where two (or more) parties share some correlated randomness and use local operations and no communication to convert this into some target correlation. Wyner's seminal result showed that asymptotically the r
Externí odkaz:
http://arxiv.org/abs/2301.04301
Akademický článek
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Autor:
George, Ian, Chitambar, Eric
The max-relative entropy and the conditional min-entropy it induces have become central to one-shot information theory. Both may be expressed in terms of a conic program over the positive semidefinite cone. Recently, it was shown that the same conic
Externí odkaz:
http://arxiv.org/abs/2206.04300