Results 41 to 50 of about 1,268,186 (296)

Diffusion Processes on Graphs and the Averaging Principle

open access: yesThe Annals of Probability, 1993
Some examples of asymptotic problems leading to diffusion processes on graphs are discussed. A general technique for this kind of problems is developed. The approach uses the martingale-problem method, adapted to fit non-differentiable structures. The problems considered include processes with a fast discrete component, diffusions in narrow tubes, and ...
Freidlin, Mark I.   +1 more
openaire   +2 more sources

Hamiltonian systems with Lévy noise: Symplecticity, Hamilton’s principle and averaging principle [PDF]

open access: yesPhysica D: Nonlinear Phenomena, 2019
This work focuses on topics related to Hamiltonian stochastic differential equations with Lévy noise. We first show that the phase flow of the stochastic system preserves symplectic structure, and propose a stochastic version of Hamilton's principle by the corresponding formulation of the stochastic action integral and the Euler-Lagrange equation ...
Wei, Pingyuan, Chao, Ying, Duan, Jinqiao
openaire   +2 more sources

Averaging Principle and Normal Deviations for Multiscale Stochastic Systems

open access: yes, 2021
Röckner M, Xie L. Averaging Principle and Normal Deviations for Multiscale Stochastic Systems. Communications in Mathematical Physics. 2021;383(3):1889–1937.We study the asymptotic behavior for an inhomogeneous multiscale stochastic dynamical system with
Xie, Longjie   +3 more
core   +1 more source

Weak order in averaging principle for stochastic differential equations with jumps

open access: yesAdvances in Difference Equations, 2018
In this paper, we deal with the averaging principle for a two-time-scale system of jump-diffusion stochastic differential equations. Under suitable conditions, we expand the weak error in powers of timescale parameter.
Bengong Zhang   +3 more
doaj   +1 more source

An averaging principle for stochastic evolution equations. II. [PDF]

open access: yesMathematica Bohemica, 1991
Summary: [For part I, by the second and third author, see Čas. Pěstovani Mat. 115, No. 3, 240-263 (1990; Zbl 0718.60068).] Integral continuity theorems for solutions of stochastic evolution equations of parabolic type on unbounded time intervals are established.
Maslowski, Bohdan   +2 more
openaire   +2 more sources

Mixed Neutral Caputo Fractional Stochastic Evolution Equations with Infinite Delay: Existence, Uniqueness and Averaging Principle

open access: yesFractal and Fractional, 2022
The aim of this article is to consider a class of neutral Caputo fractional stochastic evolution equations with infinite delay (INFSEEs) driven by fractional Brownian motion (fBm) and Poisson jumps in Hilbert space.
Mahmoud Abouagwa   +4 more
doaj   +1 more source

Averaging principle for equation driven by a stochastic measure [PDF]

open access: yes, 2018
Equation with the symmetric integral with respect to stochastic measure is considered. For the integrator, we assume only $σ$-additivity in probability and continuity of the paths.
Radchenko, Vadym
core   +1 more source

Effectiveness of Resistance Intradialytic Exercise Compared to Aerobic Intradialytic Exercise for Patients With Chronic Kidney Disease: A Randomized Controlled Clinical Trial

open access: yesTherapeutic Apheresis and Dialysis, EarlyView.
ABSTRACT Background Patients with chronic kidney disease undergoing hemodialysis commonly experience reduced physical function, fatigue, poor sleep quality, and impaired health‐related quality of life. Intradialytic exercise has been proposed as a non‐pharmacological strategy to improve these outcomes.
Klebson da Silva Almeida   +6 more
wiley   +1 more source

Establishing an Apheresis Medicine Program in a Resource‐Constrained Setting: A 5‐Year Experience From Lagos, Nigeria

open access: yesTherapeutic Apheresis and Dialysis, EarlyView.
ABSTRACT Background Establishing a comprehensive apheresis medicine program in a resource‐constrained setting presents significant structural, financial, and logistical challenges. Despite the growing clinical importance of apheresis services globally, published experience from sub‐Saharan Africa remains sparse.
Folasade Adelekan‐Popoola   +4 more
wiley   +1 more source

Averaging principle for two time-scale regime-switching processes [PDF]

open access: yes, 2022
This work studies the averaging principle for a fully coupled two time-scale system, whose slow process is a diffusion process and fast process is a purely jumping process on an infinitely countable state space.
Mao, Yong-Hua, Shao, Jinghai
core  

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