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Entropy Accumulation [PDF]

open access: yesCommunications in Mathematical Physics, 2020
AbstractWe ask the question whether entropy accumulates, in the sense that the operationally relevant total uncertainty about an n-partite system $$A = (A_1, \ldots A_n)$$ A = ( A 1 , … A n ) corresponds to the sum of the entropies of its parts $$A_i$$ A i .
Dupuis, Frédéric   +2 more
openaire   +3 more sources

Acknowledgement to Reviewers of Entropy in 2013

open access: yesEntropy, 2014
The editors of Entropy would like to express their sincere gratitude to the following reviewers for assessing manuscripts in ...
Entropy Editorial Office
doaj   +1 more source

High-Temperature Mechanical Behavior of Cobalt-Free FeMnCrNi(Al) High-Entropy Alloys

open access: yesMetals, 2023
The high-temperature properties of new alloys need to be investigated to guide the hot working process. The temperature sensitivity of various microstructures of Fe45Mn15Cr15Ni25 and Fe35Mn15Cr15Ni25Al10 cobalt-free high-entropy alloys was investigated ...
Dan Liu   +4 more
doaj   +1 more source

Acknowledgement to Reviewers of Entropy in 2018

open access: yesEntropy, 2019
Rigorous peer-review is the corner-stone of high-quality academic publishing [...]
Entropy Editorial Office
doaj   +1 more source

Acknowledgement to Reviewers of Entropy in 2015

open access: yesEntropy, 2016
The editors of Entropy would like to express their sincere gratitude to the following reviewers for assessing manuscripts in 2015. [...]
Entropy Editorial Office
doaj   +1 more source

BD entropy and Bernis–Friedman entropy

open access: yesComptes Rendus. Mathématique, 2018
In this note, we propose in the full generality a link between the BD entropy introduced by D. Bresch and B. Desjardins for the viscous shallow-water equations and the Bernis–Friedman (called BF) dissipative entropy introduced to study the lubrication equations.
Bresch, Didier   +4 more
openaire   +5 more sources

An entropy inequality

open access: yesQuantum Information and Computation, 2009
Let $S(\rho)=-\Tr (\rho\log\rho)$ be the von Neumann entropy of an $N$-dimensional quantum state $\rho$ and $e_2(\rho)$ the second elementary symmetric polynomial of the eigenvalues of $\rho$. We prove the inequality S(\rho) \;\le \; c(N) \; \sqrt{e_2(\rho)} where $c(N)=\log(N) \, \sqrt{\frac{2N}{N-1}}$.
Meik Hellmund, Armin Uhlmann
openaire   +2 more sources

Entropy and Sorting

open access: yesJournal of Computer and System Sciences, 1992
AbstractWe reconsider the old problem of sorting under partial information, and give polynomial time algorithms for the following tasks: (1) Given a partial order P, find (adaptively) a sequence of comparisons (questions of the form, "is x < y?") which sorts ( i.e., finds an unknown linear extension of) P using O(log(e(P))) comparisons in worst case ...
Jeff Kahn 0001, Jeong Han Kim
openaire   +1 more source

Entropy 2018 Best Paper Award

open access: yesEntropy, 2019
On behalf of the Editor-in-Chief, Prof. Dr. Kevin H. Knuth, we are pleased to announce the Entropy Best Paper Award for 2018 [...]
Entropy Editorial Office
doaj   +1 more source

Acknowledgement to Reviewers of Entropy in 2017

open access: yesEntropy, 2018
Peer review is an essential part in the publication process, ensuring that Entropy maintains high quality standards for its published papers.[...]
Entropy Editorial Office
doaj   +1 more source

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