Results 81 to 90 of about 175,654 (267)

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

Vernacular Futurism: How Persian Language Users Imagine AI

open access: yesAI &Innovation, EarlyView.
ABSTRACT Public discourse about artificial intelligence increasingly unfolds through compressed forecasts, moral warnings, and everyday speculation circulating at platform speed. This study examines how Persian language users on X construct and contest AI futures, analyzing a corpus of 4741 posts collected between January 2023 and December 2025, with ...
Arthur Asa Berger, Ehsan Shahghasemi
wiley   +1 more source

An Integral Inequality [PDF]

open access: yesSIAM Review, 1977
We furnish conditions on the functions p ( t ) , f
openaire   +2 more sources

Causal analysis of trade loss from pathogens: A global study of foot and mouth disease impacts on meat exports

open access: yesAmerican Journal of Agricultural Economics, EarlyView.
Abstract Our general interest is in global trade loss from livestock pathogens, specifically exports. We adopt a causal inference approach that considers animal disease outbreaks over time as non‐staggered binary treatments with the potential for switching in (infection) and out of treatment (recovery) within the sample period. The outcome evolution of
Mohammad Maksudur Rahman   +1 more
wiley   +1 more source

Advocating for Paid Maternity Leave and Workplace Lactation Policy Reform and Implementation: Lessons Learned From Indonesia, Nigeria, the Philippines and Vietnam

open access: yesMaternal and Child Nutrition
Maternity protection policies are designed to preserve the health of working women and their infants, support optimal infant and young child nutrition through breastfeeding and prevent workplace discrimination against women.
Michelle E. Anderson   +5 more
doaj   +1 more source

On Hoeffding’s inequalities

open access: yesThe Annals of Probability, 2004
In a celebrated work by Hoeffding [J. Amer. Statist. Assoc. 58 (1963) 13-30], several inequalities for tail probabilities of sums M_n=X_1+... +X_n of bounded independent random variables X_j were proved. These inequalities had a considerable impact on the development of probability and statistics, and remained unimproved until 1995 when Talagrand [Inst.
openaire   +4 more sources

How cold is too cold? A theoretical analysis of the optimal trigger for index insurance for frost damage to crops

open access: yesAmerican Journal of Agricultural Economics, EarlyView.
Abstract Crop insurance is undoubtedly an extremely valuable element in protecting agricultural businesses, but in many cases standard indemnity‐based products have had very low uptake due to high transaction costs elevating premiums to unaffordable levels.
Amogh Prakasha Kumar   +2 more
wiley   +1 more source

Mental health care reform in Belgium: interorganisational networks

open access: yesInternational Journal of Integrated Care, 2012
Griet De Roeck, Mark Leys
doaj   +3 more sources

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