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Based on Tsallis entropy and the corresponding deformed exponential function, generalized distribution functions for bosons and fermions have been used since a while. However, aiming at a non-extensive quantum statistics further…

统计力学 · 物理学 2015-03-11 T. S. Biro , K. M. Shen , B. W. Zhang

We describe a simple and accurate framework for modeling the statistical behavior of both fully developed turbulence and short-term dynamics of financial markets based on the formalism of Tsallis' generalized non-extensive thermostatistics.…

凝聚态物理 · 物理学 2007-05-23 F. M. Ramos , C. Rodrigues Neto , R. R. Rosa

An analytical expression of probability density function (PDF) of velocity fluctuation is derived with the help of the statistics based on generalized entropy (the Tsallis entropy or the R\'{e}nyi entropy). It is revealed that the derived…

统计力学 · 物理学 2007-05-23 N. Arimitsu , T. Arimitsu

It is shown that Tsallis' generalized statistics provides a natural frame for the statistical-thermodynamical description of anomalous diffusion. Within this generalized theory, a maximum-entropy formalism makes it possible to derive a…

统计力学 · 物理学 2015-06-25 Damian H. Zanette

Finite abstractions are discrete approximations of dynamical systems, such that the set of abstraction trajectories contains all system trajectories. There is a consensus that abstractions suffer from the curse of dimensionality: for the…

系统与控制 · 电气工程与系统科学 2025-12-09 Giannis Delimpaltadakis , Gabriel Gleizer

The non-extensive canonical ensemble theory is reconsidered with the method of Lagrange multipliers by maximizing Tsallis entropy, with the constraint that the normalized term of Tsallis' $q-$average of physical quantities, the sum $\sum…

统计力学 · 物理学 2017-07-18 Ke-Ming Shen , Ben-Wei Zhang , En-Ke Wang

Entropy and relative or cross entropy measures are two very fundamental concepts in information theory and are also widely used for statistical inference across disciplines. The related optimization problems, in particular the maximization…

统计理论 · 数学 2021-06-18 Abhik Ghosh , Ayanendranath Basu

The goal of this paper is to develop methodology for the systematic analysis of asymptotic statistical properties of data driven DRO formulations based on their corresponding non-DRO counterparts. We illustrate our approach in various…

最优化与控制 · 数学 2023-03-28 Jose Blanchet , Alexander Shapiro

It is shown that the distribution derived from the principle of maximum Tsallis entropy is a superposable Levy-type distribution. Concomitantly, the leading order correction to the limit distribution is also deduced. This demonstration…

统计力学 · 物理学 2007-05-23 Sumiyoshi Abe , A. K. Rajagopal

We present a discussion of generalized statistics based on Renyi's, Fisher's and Tsallis's measures of information. The unifying conceptual framework which we employ here is provided by information theory. Important applications of…

统计力学 · 物理学 2015-06-24 Petr Jizba

The general formalism for the nonextensive statistics based on the Landsberg-Vedral entropy was derived. The formula for the first law of thermodynamics and the exact relations of the thermodynamic quantities to their ensemble averages were…

统计力学 · 物理学 2019-04-08 A. S. Parvan

We study the rate-distortion problem for both scalar and vector memoryless heavy-tailed $\alpha$-stable sources ($0 < \alpha < 2$). Using a recently defined notion of ``strength" as a power measure, we derive the rate-distortion function…

信息论 · 计算机科学 2026-02-27 Karim Ezzeddine , Jihad Fahs , Ibrahim Abou-Faycal

We provide an update of the overview of imprints of Tsallis nonextensive statistics seen in a multiparticle production processes. They reveal an ubiquitous presence of power law distributions of different variables characterized by the…

高能物理 - 唯象学 · 物理学 2015-05-30 Grzegorz Wilk , Zbigniew Wlodarczyk

We revisit the sequential rate-distortion (SRD) trade-off problem for vector-valued Gauss-Markov sources with mean-squared error distortion constraints. We show via a counterexample that the dynamic reverse water-filling algorithm suggested…

最优化与控制 · 数学 2017-11-28 Photios A. Stavrou , Takashi Tanaka , Sekhar Tatikonda

The field of deep generative modeling has succeeded in producing astonishingly realistic-seeming images and audio, but quantitative evaluation remains a challenge. Log-likelihood is an appealing metric due to its grounding in statistics and…

机器学习 · 计算机科学 2020-08-18 Sicong Huang , Alireza Makhzani , Yanshuai Cao , Roger Grosse

We demonstrate that description of fluctuations observed in multiparticle production processes using Tsallis statistics approach (in which fluctuations are described by the nonextensivity parameter q) leads to a specific sum rule for…

高能物理 - 唯象学 · 物理学 2011-06-09 Grzegorz Wilk , Zbigniew Wlodarczyk , Wojciech Wolak

We improve the existing achievable rate regions for causal and for zero-delay source coding of stationary Gaussian sources under an average mean squared error (MSE) distortion measure. To begin with, we find a closed-form expression for the…

信息论 · 计算机科学 2011-05-03 Milan S. Derpich , Jan Østergaard

Tsallis' thermostatistics is by now recognized as a new paradigm for statistical mechanical considerations. However, it is still affected by a serious hindrance: the generalization of thermodynamics' zero-th law to a nonextensive scenario…

统计力学 · 物理学 2009-10-31 S. Martinez , F. Pennini , A. Plastino

We derive a simple general parametric representation of the rate-distortion function of a memoryless source, where both the rate and the distortion are given by integrals whose integrands include the minimum mean square error (MMSE) of the…

信息论 · 计算机科学 2010-04-30 Neri Merhav

The form invariance of the statement of the maximum entropy principle and the metric structure in quantum density matrix theory, when generalized to nonextensive situations, is shown here to determine the structure of the nonextensive…

量子物理 · 物理学 2009-01-23 A. K. Rajagopal , Sumiyoshi Abe