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CORR
2011
Springer
156views Education» more  CORR 2011»
13 years 2 months ago
From joint convexity of quantum relative entropy to a concavity theorem of Lieb
This paper provides a succinct proof of a 1973 theorem of Lieb that establishes the concavity of a certain trace function. The development relies on a deep result from quantum info...
Joel A. Tropp
ENTCS
2011
99views more  ENTCS 2011»
13 years 6 months ago
Symmetry and Composition in Probabilistic Theories
The past decade has seen a remarkable resurgence of the old programme of finding more or less a priori axioms for the mathematical framework of quantum mechanics. The new impetus...
Alexander Wilce
ALGORITHMICA
2002
104views more  ALGORITHMICA 2002»
13 years 11 months ago
Security of Quantum Key Distribution against All Collective Attacks
Security of quantum key distribution against sophisticated attacks is among the most important issues in quantum information theory. In this work we prove security against a very ...
Eli Biham, Michel Boyer, Gilles Brassard, Jeroen v...
QCQC
1998
Springer
121views Communications» more  QCQC 1998»
14 years 3 months ago
What Information Theory Can Tell Us About Quantum Reality
Abstract. An investigation of Einstein's "physical" reality and the concept of quantum reality in terms of information theory suggests a solution to quantum paradoxe...
Christoph Adami, Nicolas J. Cerf