Results 21 to 30 of about 355,119 (383)
Probabilistic Representations of Solutions of the Forward Equations [PDF]
, 2007 In this paper we prove a stochastic representation for solutions of the evolution equation $ \partial_t \psi_t = {1/2}L^*\psi_t $ where $ L^* $ is the formal adjoint of an elliptic second order differential operator with smooth coefficients corresponding
Rajeev, B., Thangavelu, S.
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Linearly Solvable Stochastic Control Lyapunov Functions [PDF]
, 2016 This paper presents a new method for synthesizing stochastic control Lyapunov functions for a class of nonlinear stochastic control systems. The technique relies on a transformation of the classical nonlinear Hamilton-Jacobi-Bellman partial differential ...
Burdick, Joel W. +2 more
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A direct approach to linear-quadratic stochastic control [PDF]
Opuscula Mathematica, 2017 A direct approach is used to solve some linear-quadratic stochastic control problems for Brownian motion and other noise processes. This direct method does not require solving Hamilton-Jacobi-Bellman partial differential equations or backward stochastic ...
Tyrone E. Duncan, Bozenna Pasik-Duncan
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Stochastic De Giorgi Iteration and Regularity of Stochastic Partial Differential Equation [PDF]
, 2013 Under general conditions we show that the solution of a stochastic parabolic partial differential equation of the form \[ \partial_t u = \mathrm{div} (A \nabla u) + f(t,x, u) + g_i (t,x,u) \dot{w}^i_t \] is almost surely H\"older continuous in both space
Elton P. Hsu, Yu Wang, Zhenan Wang
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A Proposed Stochastic Finite Difference Approach Based on Homogenous Chaos Expansion
Journal of Applied Mathematics, 2013 This paper proposes a stochastic finite difference approach, based on homogenous chaos expansion (SFDHC). The said approach can handle time dependent nonlinear as well as linear systems with deterministic or stochastic initial and boundary conditions. In
O. H. Galal
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On the series solution of the stochastic Newell Whitehead Segel equation
AIMS Mathematics, 2023 The purpose of this paper is to present a two-step approach for finding the series solution of the stochastic Newell-Whitehead-Segel (NWS) equation. The proposed two-step approach starts with the use of the Wiener-Hermite expansion (WHE) technique, which
Javed Hussain
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A Stochastic Approach for Parameterizing Unresolved Scales in a System with Memory
Journal of Algorithms & Computational Technology, 2009 Complex systems display variability over a broad range of spatial and temporal scales. Some scales are unresolved due to computational limitations. The impact of these unresolved scales on the resolved scales needs to be parameterized or taken into ...
Aijun Du, Jinqiao Duan
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Results in Physics, 2023 This article mainly studies the new traveling wave solutions of the stochastic modified Korteweg–de Vries equation with multiplicative noise. The traveling wave solutions in the form of hyperbolic function, trigonometric function, rational function and ...
Da Shi, Zhao Li, Tianyong Han
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The support of singular stochastic partial differential equations
Forum of Mathematics, Pi, 2022 We obtain a generalisation of the Stroock–Varadhan support theorem for a large class of systems of subcritical singular stochastic partial differential equations driven by a noise that is either white or approximately self-similar.
Martin Hairer, P. Schönbauer
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Renormalisation of Stochastic Partial Differential Equations
EMS Newsletter, 2020 Summary: We present the main ideas of the renormalisation of stochastic partial differential equations, as it appears in the theory of regularity structures. We informally discuss the regularisation of the noise, the transformation of the canonical model to the renormalised one, the space of the models and the underlying algebraic structure.
Bruned, Yvain +2 more
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