Results 11 to 20 of about 52,018 (229)

Real-space observation of ergodicity transitions in artificial spin ice

open access: yesNature Communications, 2023
Ever since its introduction by Ludwig Boltzmann, the ergodic hypothesis became a cornerstone analytical concept of equilibrium thermodynamics and complex dynamic processes.
Michael Saccone   +6 more
doaj   +1 more source

Fraction-of-Time Probability: Advancing Beyond the Need for Stationarity and Ergodicity Assumptions

open access: yesIEEE Access, 2022
Time series arising from measurements in many fields of physics, engineering, chemistry, biology, and econometrics, are commonly modeled as sample paths from an ensemble which, together with a probability measure, is called a stochastic process ...
Antonio Napolitano, William A. Gardner
doaj   +1 more source

Generalized couplings and ergodic rates for SPDEs and other Markov models [PDF]

open access: yes, 2018
We establish verifiable general sufficient conditions for exponential or subexponential ergodicity of Markov processes that may lack the strong Feller property.
Butkovsky, Oleg   +2 more
core   +2 more sources

Ergodic Inequality [PDF]

open access: yesGames, 2016
Weak conditions are provided under which society’s long-run distribution of wealth is independent of initial asset holdings.
openaire   +5 more sources

Invariant Finitely Additive Measures for General Markov Chains and the Doeblin Condition

open access: yesMathematics, 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 ...
Alexander Zhdanok
doaj   +1 more source

Measurement invariance within and between subjects: A distinct problem in testing the equivalence of intra- and inter-individual model structures.

open access: yesFrontiers in Psychology, 2014
We address the question of equivalence between modeling results obtained on intra-individual and inter-individual levels of psychometric analysis. Our focus is on the concept of measurement invariance and the role it may play in this context.
Janne eAdolf   +4 more
doaj   +1 more source

Uncertainty Relation between Detection Probability and Energy Fluctuations

open access: yesEntropy, 2021
A classical random walker starting on a node of a finite graph will always reach any other node since the search is ergodic, namely it fully explores space, hence the arrival probability is unity.
Felix Thiel   +3 more
doaj   +1 more source

Transition to chaos in the «reaction-diffusion» systems. The simplest models [PDF]

open access: yesКомпьютерные исследования и моделирование, 2014
The article discusses the emergence of chaotic attractors in the system of three ordinary differential equations arising in the theory of «reaction-diffusion» systems. The dynamics of the corresponding one- and two-dimensional maps and Lyapunov exponents
Dmitry Sergeevich Faller   +1 more
doaj   +1 more source

Topological bio-scaling analysis as a universal measure of protein folding

open access: yesRoyal Society Open Science, 2022
Scaling relationships for polymeric molecules establish power law dependencies between the number of molecular segments and linear dimensions, such as the radius of gyration. They also establish spatial topological properties of the chains, such as their
Sergey Shityakov   +2 more
doaj   +1 more source

Long-Term Bifurcation and Stochastic Optimal Control of a Triple-Delayed Ebola Virus Model with Vaccination and Quarantine Strategies

open access: yesFractal and Fractional, 2022
Despite its high mortality rate of approximately 90%, the Ebola virus disease (EVD) has not received enough attention in terms of in-depth research. This illness has been responsible for over 40 years of epidemics throughout Central Africa.
Anwarud Din, Asad Khan, Yassine Sabbar
doaj   +1 more source

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