Results 21 to 30 of about 661,238 (311)

Penalization method for a nonlinear Neumann PDE via weak solutions of reflected SDEs

open access: yes, 2013
In this paper we prove an approximation result for the viscosity solution of a system of semi-linear partial differential equations with continuous coefficients and nonlinear Neumann boundary condition. The approximation we use is based on a penalization
Bahlali, Khaled   +2 more
core   +3 more sources

Homogenization of nonlinear stochastic partial differential equations in a general ergodic environment [PDF]

open access: yes, 2013
In this paper, we show that the concept of sigma-convergence associated to stochastic processes can tackle the homogenization of stochastic partial differential equations.
Bensoussan A.   +10 more
core   +2 more sources

On nonlinear Feynman-Kac formulas for viscosity solutions of semilinear parabolic partial differential equations with gradient-dependent nonlinearities [PDF]

open access: yesarXiv, 2023
The classical Feynman-Kac identity represents solutions of linear partial differential equations in terms of stochastic differential euqations. This representation has been generalized to nonlinear partial differential equations on the one hand via backward stochastic differential equations and on the other hand via stochastic fixed-point equations. In
arxiv  

Pricing Arithmetic Asian Options under Hybrid Stochastic and Local Volatility

open access: yesJournal of Applied Mathematics, 2014
Recently, hybrid stochastic and local volatility models have become an industry standard for the pricing of derivatives and other problems in finance. In this study, we use a multiscale stochastic volatility model incorporated by the constant elasticity ...
Min-Ku Lee   +2 more
doaj   +1 more source

A white noise approach to stochastic partial differential equations driven by the fractional Lévy noise

open access: yesAdvances in Difference Equations, 2018
In this paper, based on the white noise theory for d-parameter Lévy random fields given by (Holden et al. in Stochastic Partial Differential Equations: A modeling, white noise functional approach, 2010), we develop a white noise frame for anisotropic ...
Xuebin Lü, Wanyang Dai
doaj   +1 more source

Ergodicity for Stochastic Neutral Retarded Partial Differential Equations Driven by $α$-regular Volterra process [PDF]

open access: yesarXiv, 2021
In this article, we study the ergodicity of neutral retarded stochastic functional differential equations driven by $\alpha$-regular Volterra process. Based on the equivalence between neutral retarded stochastic functional differential equations and the stochastic evolution equation, we get the ergodicity of neutral retarded stochastic functional ...
arxiv  

Homogenized dynamics of stochastic partial differential equations with dynamical boundary conditions

open access: yes, 2007
A microscopic heterogeneous system under random influence is considered. The randomness enters the system at physical boundary of small scale obstacles as well as at the interior of the physical medium.
A. Bensoussan   +54 more
core   +2 more sources

Unraveling the metastasis‐preventing effect of miR‐200c in vitro and in vivo

open access: yesMolecular Oncology, Volume 19, Issue 4, Page 1029-1053, April 2025.
Advanced tumors and ineffective cancer treatments can lead to metastases in distant organs. The sole expression of microRNA 200c (miR‐200c) in breast cancer cells is shown to significantly reduce metastasis formation in xenograft mouse models. Various in vitro analyses revealed impeded migratory behavior, upon miR‐200c expression, as one prerequisite ...
Bianca Köhler   +12 more
wiley   +1 more source

On a smooth and nowhere equal to zero distribution density of a stochastic differential equation’s solution on manifold

open access: yesИзвестия высших учебных заведений. Поволжский регион: Физико-математические науки, 2021
Background. E. Nelson [1-3] introduced derivatives on the average in the works and over time, they began to be studied as a separate class of stochastic differential equations.
O.O. Zheltikova
doaj   +1 more source

Hybrid deterministic stochastic systems with microscopic look-ahead dynamics [PDF]

open access: yes, 2010
We study the impact of stochastic mechanisms on a coupled hybrid system consisting of a general advection-diffusion-reaction partial differential equation and a spatially distributed stochastic lattice noise model.
Katsoulakis, M. A.   +2 more
core  

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