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76 Results Found

  • Feature Paper
  • Article
  • Open Access
1 Citations
4,406 Views
19 Pages

Educational assessments, specifically standardized and normalized exams, owe most of their foundations to psychological test theory in psychometrics. While the theoretical assumptions of these practices are widespread and relatively uncontroversial i...

  • Systematic Review
  • Open Access
2,173 Views
29 Pages

In today’s environment of increased uncertainty, firms face new challenges in aligning sustainability orientation (SO) with financial performance (FP). In this non-ergodic world, past trends offer limited insight into the future due to economic...

  • Discussion
  • Open Access
10 Citations
6,218 Views
11 Pages

20 March 2019

In this discussion paper we argue that category theory may play a useful role in formulating, and perhaps proving, results in ergodic theory, topogical dynamics and open systems theory (control theory). As examples, we show how to characterize Kolmog...

  • Feature Paper
  • Article
  • Open Access
3 Citations
2,370 Views
13 Pages

30 April 2023

We propose and discuss two variants of kinetic particle models—cellular automata in 1 + 1 dimensions—that have some appeal due to their simplicity and intriguing properties, which could warrant further research and applications. The first...

  • Communication
  • Open Access
5 Citations
2,927 Views
13 Pages

13 October 2021

Closed-form evaluation of key performance indicators (KPIs) of telecommunication networks help perform mathematical analysis under several network configurations. This paper deals with a recent mathematical approach of indefinite quadratic forms to p...

  • Article
  • Open Access
3 Citations
1,771 Views
15 Pages

2 August 2023

In this paper, we consider general Markov chains with discrete time in an arbitrary measurable (phase) space. Markov chains are given by a classical transition function that generates a pair of conjugate linear Markov operators in a Banach space of m...

  • Article
  • Open Access
8 Citations
7,238 Views
32 Pages

11 October 2018

Recently, the properties of bouncing oil droplets, also known as “walkers,” have attracted much attention because they are thought to offer a gateway to a better understanding of quantum behavior. They indeed constitute a macroscopic real...

  • Review
  • Open Access
6 Citations
5,555 Views
42 Pages

Thermodynamic Formalism in Neuronal Dynamics and Spike Train Statistics

  • Rodrigo Cofré,
  • Cesar Maldonado and
  • Bruno Cessac

23 November 2020

The Thermodynamic Formalism provides a rigorous mathematical framework for studying quantitative and qualitative aspects of dynamical systems. At its core, there is a variational principle that corresponds, in its simplest form, to the Maximum Entrop...

  • Article
  • Open Access
1 Citations
1,182 Views
20 Pages

9 October 2024

We study Markov operators T, A, and T* of general Markov chains on an arbitrary measurable space. The operator, T, is defined on the Banach space of all bounded measurable functions. The operator A is defined on the Banach space of all bounded counta...

  • Article
  • Open Access
3 Citations
5,512 Views
12 Pages

22 April 2017

The recent loophole-free experiments have confirmed the violation of Bell’s inequalities in nature. Yet, in order to insert measured values in Bell’s inequalities, it is unavoidable to make a hypothesis similar to “ergodicity at the hidden variables...

  • Article
  • Open Access
4 Citations
5,701 Views
27 Pages

27 September 2017

A new method to describe hyperbolic patterns in two-dimensional flows is proposed. The method is based on the Covariant Lyapunov Vectors (CLVs), which have the properties of being covariant with the dynamics, and thus, being mapped by the tangent lin...

  • Article
  • Open Access
4 Citations
2,153 Views
28 Pages

Optimal Control with Partially Observed Regime Switching: Discounted and Average Payoffs

  • Beatris Adriana Escobedo-Trujillo,
  • Javier Garrido-Meléndez,
  • Gerardo Alcalá and
  • J. D. Revuelta-Acosta

15 June 2022

We consider an optimal control problem with the discounted and average payoff. The reward rate (or cost rate) can be unbounded from above and below, and a Markovian switching stochastic differential equation gives the state variable dynamic. Markovia...

  • Article
  • Open Access
4 Citations
3,279 Views
21 Pages

23 August 2021

Ordinal patterns classifying real vectors according to the order relations between their components are an interesting basic concept for determining the complexity of a measure-preserving dynamical system. In particular, as shown by C. Bandt, G. Kell...

  • Article
  • Open Access
7 Citations
8,066 Views
15 Pages

21 May 2024

Perturbation bounds are powerful tools for investigating the phenomenon of insensitivity to perturbations, also referred to as stability, for stochastic and deterministic systems. This perspective article presents a focused account of some of the mai...

  • Article
  • Open Access
457 Views
19 Pages

Stochastic Modeling and Probabilistic Assessment of Polycystic Ovary Syndrome (PCOS): Symmetry and Asymmetry in Infertility and Treatment Dynamics

  • Khaled Aldwoah,
  • Ashraf A. Qurtam,
  • Mohammed Almalahi,
  • Blgys Muflh,
  • Abdelaziz Elsayed,
  • Alaa M. Abd El-latif and
  • Salahedden Omer Ali

27 October 2025

Polycystic Ovary Syndrome (PCOS) is a widespread hormonal disorder affecting women of reproductive age, often leading to infertility and associated complications. This study presents a comprehensive stochastic mathematical framework to analyze the dy...

  • Article
  • Open Access
2,458 Views
16 Pages

6 October 2020

Whereas ergodic theories relate to limiting cases of infinite thermal reservoirs and infinitely long times, some ergodicity tendencies may appear also for finite reservoirs and time durations. These tendencies are here explored and found to exist, bu...

  • Article
  • Open Access
1 Citations
3,416 Views
11 Pages

20 February 2019

This paper proposes the maximal ratio transmission (MRT) and maximal ratio combining (MRC) protocols for the power beacon (PB) assisted wireless powered sensor networks and analyzes the impact of the imperfect channel state information (CSI) on the p...

  • Article
  • Open Access
557 Views
20 Pages

15 July 2025

This paper investigates a stochastic semi-parametric SEIR model characterized by infectivity during the incubation period and influenced by white noise perturbations. First, based on the theory of stochastic persistence, we derive the conditions requ...

  • Article
  • Open Access
3 Citations
1,680 Views
11 Pages

17 November 2022

Advances in higher-end spectrum utilization has enabled user equipment to dock multiple antenna elements, and hence make use of selectivity via equalization in new generation of mobile networks. The equalization can exploit channel statistics to shap...

  • Article
  • Open Access
6 Citations
5,411 Views
21 Pages

16 September 2013

Recently, the duality between values (words) and orderings (permutations) has been proposed by the authors as a basis to discuss the relationship between information theoretic measures for finite-alphabet stationary stochastic processes and their...

  • Review
  • Open Access
3 Citations
2,279 Views
35 Pages

12 February 2024

We review and extend the theory of ideal, homogeneous, incompressible, magnetohydrodynamic (MHD) turbulence. The theory contains a solution to the ‘dynamo problem’, i.e., the problem of determining how a planetary or stellar body produces...

  • Article
  • Open Access
1 Citations
4,206 Views
16 Pages

Improved Scheduling Mechanisms for Synchronous Information and Energy Transmission

  • Danyang Qin,
  • Songxiang Yang,
  • Yan Zhang,
  • Jingya Ma and
  • Qun Ding

9 June 2017

Wireless energy collecting technology can effectively reduce the network time overhead and prolong the wireless sensor network (WSN) lifetime. However, the traditional energy collecting technology cannot achieve the balance between ergodic channel ca...

  • Article
  • Open Access
7 Citations
3,983 Views
28 Pages

Neural Estimator of Information for Time-Series Data with Dependency

  • Sina Molavipour,
  • Hamid Ghourchian,
  • Germán Bassi and
  • Mikael Skoglund

21 May 2021

Novel approaches to estimate information measures using neural networks are well-celebrated in recent years both in the information theory and machine learning communities. These neural-based estimators are shown to converge to the true values when e...

  • Review
  • Open Access
1 Citations
2,243 Views
27 Pages

Typical = Random

  • Klaas Landsman

27 July 2023

This expository paper advocates an approach to physics in which “typicality” is identified with a suitable form of algorithmic randomness. To this end various theorems from mathematics and physics are reviewed. Their original versions sta...

  • Article
  • Open Access
1 Citations
1,270 Views
18 Pages

17 June 2023

An axiomatic development of control systems theory can systematize important concepts. The current research article is dedicated to the investigation and comparison of two axiomatic approaches to the analysis of discrete linear time-invariant systems...

  • Article
  • Open Access
3 Citations
1,341 Views
22 Pages

27 June 2024

This paper is concerned with exponential synchronization for a class of coupled neural networks with hybrid delays and stochastic distributed delayed impulses. First of all, based on the average impulsive interval method, total probability formula an...

  • Article
  • Open Access
9 Citations
3,774 Views
21 Pages

Dendrogramic Representation of Data: CHSH Violation vs. Nonergodicity

  • Oded Shor,
  • Felix Benninger and
  • Andrei Khrennikov

28 July 2021

This paper is devoted to the foundational problems of dendrogramic holographic theory (DH theory). We used the ontic–epistemic (implicate–explicate order) methodology. The epistemic counterpart is based on the representation of data by dendrograms co...

  • Article
  • Open Access
1 Citations
3,221 Views
16 Pages

19 July 2019

Many-valued (MV; the many-valued logics considered by Łukasiewicz)-algebras are algebraic systems that generalize Boolean algebras. The MV-algebraic probability theory involves the notions of the state and observable, which abstract the probability m...

  • Article
  • Open Access
1 Citations
1,312 Views
12 Pages

12 October 2023

In this paper it is shown, that if a possibly inhomogeneous Markov chain with continuous time and finite state space is weakly ergodic and all the entries of its intensity matrix are locally integrable, then, using available results from the perturba...

  • Article
  • Open Access
1,155 Views
23 Pages

Bowen’s Formula for a Dynamical Solenoid

  • Andrzej Biś,
  • Wojciech Kozłowski and
  • Agnieszka Marczuk

15 November 2024

More than 50 years ago, Rufus Bowen noticed a natural relation between the ergodic theory and the dimension theory of dynamical systems. He proved a formula, known today as the Bowen’s formula, that relates the Hausdorff dimension of a conforma...

  • Article
  • Open Access
4 Citations
1,998 Views
21 Pages

19 January 2023

Human society always wants a safe environment from pollution and infectious diseases, such as COVID-19, etc. To control COVID-19, we have started the big effort for the discovery of a vaccination of COVID-19. Several biological problems have the aspe...

  • Article
  • Open Access
3 Citations
6,196 Views
15 Pages

12 July 2012

Several quantum dynamical entropies have been proposed that extend the classical Kolmogorov–Sinai (dynamical) entropy. The same scenario appears in relation to the extension of algorithmic complexity theory to the quantum realm. A theorem of Brudno e...

  • Article
  • Open Access
4 Citations
2,079 Views
10 Pages

27 December 2022

This paper focuses on the ultimate limit theory of image compression. It proves that for an image source, there exists a coding method with shapes that can achieve the entropy rate under a certain condition where the shape-pixel ratio in the encoder/...

  • Article
  • Open Access
8 Citations
4,063 Views
19 Pages

4 November 2019

Device-to-device (D2D) communication, as one of the promising candidates for the fifth generation mobile network, can afford effective service of new mobile applications and business models. In this paper, we study the resource management strategies...

  • Article
  • Open Access
2 Citations
4,088 Views
28 Pages

Interpreting Social Accounting Matrix (SAM) as an Information Channel

  • Mateu Sbert,
  • Shuning Chen,
  • Miquel Feixas,
  • Marius Vila and
  • Amos Golan

28 November 2020

Information theory, and the concept of information channel, allows us to calculate the mutual information between the source (input) and the receiver (output), both represented by probability distributions over their possible states. In this paper, w...

  • Article
  • Open Access
7 Citations
2,922 Views
21 Pages

28 November 2021

Taking impulsive effects into account, an impulsive stochastic predator–prey system with the Beddington–DeAngelis functional response is proposed in this paper. First, the impulsive system is transformed into an equivalent system without...

  • Review
  • Open Access
20 Citations
5,564 Views
14 Pages

12 August 2016

Boltzmann introduced in the 1870s a logarithmic measure for the connection between the thermodynamical entropy and the probabilities of the microscopic configurations of the system. His celebrated entropic functional for classical systems was then ex...

  • Feature Paper
  • Review
  • Open Access
10 Citations
10,662 Views
42 Pages

Applications of Entropy in Data Analysis and Machine Learning: A Review

  • Salomé A. Sepúlveda-Fontaine and
  • José M. Amigó

23 December 2024

Since its origin in the thermodynamics of the 19th century, the concept of entropy has also permeated other fields of physics and mathematics, such as Classical and Quantum Statistical Mechanics, Information Theory, Probability Theory, Ergodic Theory...

  • Article
  • Open Access
17 Citations
5,857 Views
15 Pages

8 May 2021

A proposal for a fundamental theory is described in which classical and quantum physics as a representation of the universe as a gigantic dendrogram are unified. The latter is the explicate order structure corresponding to the purely number-theoretic...

  • Feature Paper
  • Review
  • Open Access
8 Citations
4,401 Views
33 Pages

Nonextensive Footprints in Dissipative and Conservative Dynamical Systems

  • Antonio Rodríguez,
  • Alessandro Pluchino,
  • Ugur Tirnakli,
  • Andrea Rapisarda and
  • Constantino Tsallis

7 February 2023

Despite its centennial successes in describing physical systems at thermal equilibrium, Boltzmann–Gibbs (BG) statistical mechanics have exhibited, in the last several decades, several flaws in addressing out-of-equilibrium dynamics of many nonl...

  • Article
  • Open Access
4 Citations
3,603 Views
13 Pages

20 November 2018

This paper considers coordinated multi-cell multicast precoding for massive multiple-input-multiple-output transmission where only statistical channel state information of all user terminals (UTs) in the coordinated network is known at the base stati...

  • Article
  • Open Access
3 Citations
3,911 Views
26 Pages

Stability Assessment of Stochastic Differential-Algebraic Systems via Lyapunov Exponents with an Application to Power Systems

  • Andrés González-Zumba,
  • Pedro Fernández-de-Córdoba,
  • Juan-Carlos Cortés and
  • Volker Mehrmann

20 August 2020

In this paper, we discuss stochastic differential-algebraic equations (SDAEs) and the asymptotic stability assessment for such systems via Lyapunov exponents (LEs). We focus on index-1 SDAEs and their reformulation as ordinary stochastic differential...

  • Article
  • Open Access
4 Citations
2,730 Views
14 Pages

Geometric Partition Entropy: Coarse-Graining a Continuous State Space

  • Christopher Tyler Diggans and
  • Abd AlRahman R. AlMomani

8 October 2022

Entropy is re-examined as a quantification of ignorance in the predictability of a one dimensional continuous phenomenon. Although traditional estimators for entropy have been widely utilized in this context, we show that both the thermodynamic and S...

  • Feature Paper
  • Article
  • Open Access
4 Citations
4,085 Views
28 Pages

Effective Field Theory of Random Quantum Circuits

  • Yunxiang Liao and
  • Victor Galitski

13 June 2022

Quantum circuits have been widely used as a platform to simulate generic quantum many-body systems. In particular, random quantum circuits provide a means to probe universal features of many-body quantum chaos and ergodicity. Some such features have...

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