Results 21 to 30 of about 135 (134)
Gradient estimates for the fundamental solution of Lévy type operator
Advances in Nonlinear Analysis, 2020 We prove a gradient estimate and the Hölder continuity of the gradient for the fundamental solution of a class of α-stable type operators with α ∈ (0, 1), which improve known results in the literature where the condition α > 1/2 is commonly assumed.
Liu Wei, Song Renming, Xie Longjie
doaj +1 more source
International Journal of Stochastic Analysis, Volume 2004, Issue 2, Page 109-122, 2004., 2004 This paper is concerned with the study of the rate of convergence of the distribution of the maximum likelihood estimator of a parameter appearing linearly in the drift coefficients of two types of stochastic partial differential equations (SPDEs).
M. N. Mishra, B. L. S. Prakasa Rao
wiley +1 more source
On a stochastic Burgers equation with Dirichlet boundary conditions
International Journal of Mathematics and Mathematical Sciences, Volume 2003, Issue 43, Page 2735-2746, 2003., 2003 We consider the one‐dimensional Burgers equation perturbed by a white noise term with Dirichlet boundary conditions and a non‐Lipschitz coefficient. We obtain existence of a weak solution proving tightness for a sequence of polygonal approximations for the equation and solving a martingale problem for the weak limit.
Ekaterina T. Kolkovska
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Stochastic flows with interaction and measure‐valued processes
International Journal of Mathematics and Mathematical Sciences, Volume 2003, Issue 63, Page 3963-3977, 2003., 2003 We consider the new class of the Markov measure‐valued stochastic processes with constant mass. We give the construction of such processes with the family of the probabilities which describe the motion of single particles. We also consider examples related to stochastic flows with the interactions and the local times for such processes.
Andrey A. Dorogovtsev
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Behavior with respect to the Hurst index of the Wiener Hermite integrals and application to SPDEs [PDF]
, 2019 International audienceWe consider the Wiener integral with respect to a d-parameter Hermite process with Hurst multi-index H = (H 1 , .., H d) ∈ 1 2 , 1 d and we analyze the limit behavior in distribution of this object when the components of H tend to 1
Tudor, Ciprian A., Slaoui, Meryem
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Nonlinear Fokker-Planck equations with time-dependent coefficients [PDF]
, 2022 An operatorial based approach is used here to prove the existence and uniqueness of a strong solution $u$ to the time-varying nonlinear Fokker--Planck equation $u_t(t,x)-\Delta(a(t,x,u(t,x))u(t,x))+{\rm div}(b(t,x,u(t,x))u(t,x))=0$ in $(0,\infty)\times
Barbu, Viorelc +2 more
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A Haussmann‐Clark‐Ocone formula for functionals of diffusion processes with Lipschitz coefficients
International Journal of Stochastic Analysis, Volume 15, Issue 4, Page 357-370, 2002., 2002 We establish a martingale representation formula for functionals of diffusion processes with Lipschitz coefficients, as stochastic integrals with respect to the Brownian motion.
Khaled Bahlali +2 more
wiley +1 more source
Intermittency for the wave equation with Lévy white noise [PDF]
, 2020 In this article, we consider the stochastic wave equation on R + × R driven by the Lévy white noise introduced in MSC 2010: Primary 60H15; secondary 60G51 ...
† Cheikh, Raluca M Balan, B Ndongo
core
Parameter estimations for linear parabolic fractional SPDEs with jumps [PDF]
, 2019 We give an unbiased and consistent estimator for the drift coefficient of a linear parabolic stochastic partial differential equation driven by a multiplicative cylindrical fractional Brownian motion with Hurst index 1/2 < h < 1 and a cylindrical ...
LISEI, Hannelore +2 more
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Ergodicity of stochastically forced large scale geophysical flows
International Journal of Mathematics and Mathematical Sciences, Volume 28, Issue 6, Page 313-320, 2001., 2001 We investigate the ergodicity of 2D large scale quasigeostrophic flows under random wind forcing. We show that the quasigeostrophic flows are ergodic under suitable conditions on the random forcing and on the fluid domain, and under no restrictions on viscosity, Ekman constant or Coriolis parameter.
Jinqiao Duan, Beniamin Goldys
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