Diffusion approximation for fully coupled stochastic differential equations
M Röckner, L **e - 2021 - projecteuclid.org
We consider a Poisson equation in R d for the elliptic operator corresponding to an ergodic
diffusion process. Optimal regularity and smoothness with respect to the parameter are …
diffusion process. Optimal regularity and smoothness with respect to the parameter are …
Averaging principle and normal deviations for multiscale stochastic systems
M Röckner, L **e - Communications in Mathematical Physics, 2021 - Springer
We study the asymptotic behavior for an inhomogeneous multiscale stochastic dynamical
system with non-smooth coefficients. Depending on the averaging regime and the …
system with non-smooth coefficients. Depending on the averaging regime and the …
Poisson equations with locally-Lipschitz coefficients and uniform in time averaging for stochastic differential equations via strong exponential stability
We study Poisson equations and averaging for Stochastic Differential Equations (SDEs).
Poisson equations are essential tools in both probability theory and partial differential …
Poisson equations are essential tools in both probability theory and partial differential …
Rate of homogenization for fully-coupled McKean–Vlasov SDEs
ZW Bezemek, K Spiliopoulos - Stochastics and Dynamics, 2023 - World Scientific
In this paper, we consider a fully-coupled slow–fast system of McKean–Vlasov stochastic
differential equations with full dependence on the slow and fast component and on the law …
differential equations with full dependence on the slow and fast component and on the law …
Moderate deviations for fully coupled multiscale weakly interacting particle systems
ZW Bezemek, K Spiliopoulos - Stochastics and Partial Differential …, 2024 - Springer
We consider a collection of fully coupled weakly interacting diffusion processes moving in a
two-scale environment. We study the moderate deviations principle of the empirical …
two-scale environment. We study the moderate deviations principle of the empirical …
Large deviations for interacting multiscale particle systems
ZW Bezemek, K Spiliopoulos - Stochastic Processes and their Applications, 2023 - Elsevier
We consider a collection of weakly interacting diffusion processes moving in a two-scale
locally periodic environment. We study the large deviations principle of the empirical …
locally periodic environment. We study the large deviations principle of the empirical …
Moderate deviations for systems of slow-fast diffusions
MR Morse, K Spiliopoulos - Asymptotic Analysis, 2017 - content.iospress.com
In this paper, we prove the moderate deviations principle (MDP) for a general system of slow-
fast dynamics. We provide a unified approach, based on weak convergence ideas and …
fast dynamics. We provide a unified approach, based on weak convergence ideas and …
Fisher information bounds and applications to SDEs with small noise
NT Dung, NT Hang - Stochastic Processes and their Applications, 2024 - Elsevier
In this paper, we first establish general bounds on the Fisher information distance to the
class of normal distributions of Malliavin differentiable random variables. We then study the …
class of normal distributions of Malliavin differentiable random variables. We then study the …
Averaging principle and normal deviation for multi-scale SDEs with polynomial nonlinearity
We investigate three types of averaging principles and the normal deviation for multi-scale
stochastic differential equations (in short, SDEs) with polynomial nonlinearity. More …
stochastic differential equations (in short, SDEs) with polynomial nonlinearity. More …
Average principles and large deviation principles of multiscale multivalued McKean-Vlasov stochastic systems
H Qiao - arxiv preprint arxiv:2307.14561, 2023 - arxiv.org
This work concerns about multiscale multivalued McKean-Vlasov stochastic systems. First of
all, we establish the well-posedness for multivalued McKean-Vlasov stochastic systems …
all, we establish the well-posedness for multivalued McKean-Vlasov stochastic systems …