Results 21 to 30 of about 14,174 (225)

Weak approximation rates for integral functionals of Markov processes

open access: yesModern Stochastics: Theory and Applications, 2015
We obtain weak rates for approximation of an integral functional of a Markov process by integral sums. An assumption on the process is formulated only in terms of its transition probability density, and, therefore, our approach is not strongly dependent ...
Iurii Ganychenko, Alexei Kulik
doaj   +1 more source

How Quantum Evolution with Memory is Generated in a Time-Local Way

open access: yesPhysical Review X, 2021
Two widely used but distinct approaches to the dynamics of open quantum systems are the Nakajima-Zwanzig and time-convolutionless quantum master equation, respectively.
K. Nestmann, V. Bruch, M. R. Wegewijs
doaj   +1 more source

Asymptotic behavior of a regime-switching SIR epidemic model with degenerate diffusion

open access: yesAdvances in Difference Equations, 2018
In this paper, we consider a stochastic SIR epidemic model with regime switching. The Markov semigroup theory will be employed to obtain the existence of a unique stable stationary distribution.
Manli Jin, Yuguo Lin, Minghe Pei
doaj   +1 more source

On reverse hypercontractivity [PDF]

open access: yes, 2012
We study the notion of reverse hypercontractivity. We show that reverse hypercontractive inequalities are implied by standard hypercontractive inequalities as well as by the modified log-Sobolev inequality.
Mossel, Elchanan   +2 more
core   +4 more sources

Decoherence of quantum Markov semigroups [PDF]

open access: yesAnnales de l'Institut Henri Poincare (B) Probability and Statistics, 2005
This paper presents a probabilistic interpretation of decoherence based on the reduction of a quantum Markov semigroup \({\mathcal T}\) on an operator algebra \({\mathcal A}\) to a classical Markov semigroup on an abelian subalgebra of \({\mathcal A}\) which is \({\mathcal T}\)-invariant.
openaire   +5 more sources

Asymptotic Dynamics of a Stochastic SIR Epidemic System Affected by Mixed Nonlinear Incidence Rates

open access: yesComplexity, 2020
This paper considers a stochastic SIR epidemic system affected by mixed nonlinear incidence rates. Using Markov semigroup theory and the Fokker–Planck equation, we explore the asymptotic dynamics of the stochastic system.
Ping Han, Zhengbo Chang, Xinzhu Meng
doaj   +1 more source

A Simple Repairable System with Warning Device

open access: yesJournal of Function Spaces, 2015
This paper considers a simple repairable system with a warning device which can signal an alarm when the system is not in good condition and a repairman who can have delayed-multiple vacations.
Xiao Zhang, Lina Guo
doaj   +1 more source

Mean-field approximation of counting processes from a differential equation perspective

open access: yesElectronic Journal of Qualitative Theory of Differential Equations, 2016
Deterministic limit of a class of continuous time Markov chains is considered based purely on differential equation techniques. Starting from the linear system of master equations, ordinary differential equations for the moments and a partial ...
Dávid Kunszenti-Kovács, Péter Simon
doaj   +1 more source

Stability Analysis of a Repairable System with Warning Device and Repairman Vacation

open access: yesJournal of Function Spaces and Applications, 2013
This paper considers a simple repairable system with a warning device and a repairman who can have delayed-multiple vacations. By Markov renewal process theory and the probability analysis method, the system is first transformed into a group of ...
Yangli Ren, Lina Guo, Lingling Zhang
doaj   +1 more source

Long-time behavior of a regime-switching Susceptible-Infective epidemic model with degenerate diffusion

open access: yesAdvances in Difference Equations, 2017
In this paper, we consider a stochastic SI epidemic model with regime switching. The Markov semigroup theory is employed to obtain the existence of a unique stable stationary distribution.
Yuguo Lin, Manli Jin, Li Guo
doaj   +1 more source

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