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We study geometric properties of trace functionals that generalize those in [Zhang, Adv. Math. 365:107053 (2020)], arising from a novel family of conditional entropies with applications in quantum information. Building on new convexity…

Quantum Physics · Physics 2026-03-17 Roberto Rubboli , Milad M. Goodarzi , Marco Tomamichel

We investigate connections between information-theoretic and estimation-theoretic quantities in vector Poisson channel models. In particular, we generalize the gradient of mutual information with respect to key system parameters from the…

Information Theory · Computer Science 2013-05-10 Liming Wang , Miguel Rodrigues , Lawrence Carin

We study convexity or concavity of certain trace functions for the deformed logarithmic and exponential functions, and obtain in this way new trace inequalities for deformed exponentials that may be considered as generalizations of…

Mathematical Physics · Physics 2017-08-02 Frank Hansen , Jin Liang , Guanghua Shi

We present three tiers of Bayesian consistency tests for the general case of $correlated$ datasets. Building on duplicates of the model parameters assigned to each dataset, these tests range from Bayesian evidence ratios as a global summary…

Cosmology and Nongalactic Astrophysics · Physics 2019-01-24 Fabian Köhlinger , Benjamin Joachimi , Marika Asgari , Massimo Viola , Shahab Joudaki , Tilman Tröster

We extend Dragomir's refinement of Jensen's inequality from the dicrete to the general case, identifying the equality conditions.

Classical Analysis and ODEs · Mathematics 2011-02-22 J. M. Aldaz

We prove a few novel state-dependent uncertainty relations for product as well the sum of variances of two incompatible observables. These uncertainty relations are shown to be tighter than the Roberson-Schr\"odinger uncertainty relation…

Quantum Physics · Physics 2017-05-24 Debasis Mondal , Shrobona Bagchi , Arun Kumar Pati

The generalized uncertainty connection between the fluctuations of a quantum observable and its temporal derivative is derived in this study, we demonstrate that the product of an observable's uncertainties and its time derivative is…

Quantum Physics · Physics 2025-08-26 Tarek Yehia

We consider a range of "theories" that violate the uncertainty relation for anti-commuting observables derived in [JMP, 49, 062105 (2008)]. We first show that Tsirelson's bound for the CHSH inequality can be derived from this uncertainty…

Quantum Physics · Physics 2011-05-02 Greg Ver Steeg , Stephanie Wehner

We derive universal upper estimates for model-prediction error under moderate but otherwise unknown model uncertainty. Our estimates give upper bounds on the leading order trajectory-uncertainty arising along model trajectories, solely as…

Chaotic Dynamics · Physics 2021-02-03 Bálint Kaszás , George Haller

An inequality, recently proposed by Franson [Phys. Rev. A 54, 3808 (1996)] is analyzed and improved. The inequality connects the change of the expectation value of an observable with the uncertainty of this observable. A strict bound on the…

Quantum Physics · Physics 2009-10-30 Lev Vaidman , Ori Belkind

In a recent interesting Letter [Phys. Rev. Lett. 108, 140401 (2012)] I. Bialynicki-Birula and his coauthor have derived the uncertainty relation for the photons in three dimensions. However, some of their arguments are problematical, and…

Quantum Physics · Physics 2015-06-05 Zhi-Yong Wang , Cai-Dong Xiong , Qi Qiu

Thermodynamic uncertainty relations elucidate the intricate balance between the precision of current and the thermodynamic costs or dissipation, marking a recent and enthralling advancement at the confluence of statistical mechanics,…

Statistical Mechanics · Physics 2024-06-04 Ryohei Yuno , Katsuaki Tanabe

Using a recent construction of observables characterizing the time of occurence of an effect in quantum theory, we present a rigorous derivation of the standard time-energy uncertainty relation. In addition, we prove an uncertainty relation…

Quantum Physics · Physics 2009-11-07 Romeo Brunetti , Klaus Fredenhagen

In this paper alternative formulations of the conventional uncertainty relation are studied in the context of decoherent histories. The results are given in terms of Shannon information. A variety of methods are developed to evaluate the…

High Energy Physics - Theory · Physics 2007-05-23 Bernhard Meister

In this article we present both the discrete and the integral form of Cauchy-Bunyakovsky-Schwarz (CBS) inequality, some important generalizations in the n-dimensional Euclidean space and in linear subspaces of it, as well as the…

Functional Analysis · Mathematics 2024-01-01 Dimitra Labropoulou , Thanasis Labropoulos , Panayiotis Vafeas , Dimitris M. Manias

In this article we discuss a generalized Wirtinger inequality.

Analysis of PDEs · Mathematics 2010-05-04 Gisella Croce , Bernard Dacorogna

We show how the Schroedinger Uncertainty Relation for a pair of observables can be deduced using the Cauchy-Schwarz inequality plus successive applications of the commutation relation involving the two observables. Our derivation differs…

Physics Education · Physics 2015-08-26 Gustavo Rigolin

Recent progress in generalised geometry and extended field theories suggests a deep connection between consistent truncations and dualities, which is not immediately obvious. A prime example is generalised Scherk-Schwarz reductions in…

High Energy Physics - Theory · Physics 2024-09-23 Daniel Butter , Falk Hassler , Christopher N. Pope , Haoyu Zhang

We revisit the uncertainty principle from the point of view suggested by A. Wigderson and Y. Wigderson. This approach is based on a primary uncertainty principle from which one can derive several inequalities expressing the impossibility of…

Functional Analysis · Mathematics 2025-04-30 Nuno Costa Dias , Franz Luef , João Nuno Prata

The increased prevalence of observational data and the need to integrate information from multiple sources are critical challenges in contemporary data analysis. Record linkage is a widely used tool for combining datasets in the absence of…

Methodology · Statistics 2025-12-17 Martin Slawski
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