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A stochastic differential equation (SDE) is a differential equation in which one or more of the terms is a stochastic process, [1] resulting in a solution which is also a stochastic process. SDEs have many applications throughout pure mathematics and are used to model various behaviours of stochastic models such as stock prices , [ 2 ] random ...
In probability theory, the Skorokhod problem is the problem of solving a stochastic differential equation with a reflecting boundary condition. [ 1 ] The problem is named after Anatoliy Skorokhod who first published the solution to a stochastic differential equation for a reflecting Brownian motion .
The model specifies that the instantaneous interest rate follows the stochastic differential equation: d r t = a ( b − r t ) d t + σ d W t {\displaystyle dr_{t}=a(b-r_{t})\,dt+\sigma \,dW_{t}} where W t is a Wiener process under the risk neutral framework modelling the random market risk factor, in that it models the continuous inflow of ...
Supersymmetric theory of stochastic dynamics (STS) is a multidisciplinary approach to stochastic (partial) differential equations (SDEs) at the intersection of dynamical systems theory, the traditional theory of stochastic differential equations, topological field theories, and the theory of pseudo-Hermitian operators. The theory can be viewed ...
In mathematics of stochastic systems, the Runge–Kutta method is a technique for the approximate numerical solution of a stochastic differential equation. It is a generalisation of the Runge–Kutta method for ordinary differential equations to stochastic differential equations (SDEs). Importantly, the method does not involve knowing ...
The Feynman–Kac formula, named after Richard Feynman and Mark Kac, establishes a link between parabolic partial differential equations and stochastic processes.In 1947, when Kac and Feynman were both faculty members at Cornell University, Kac attended a presentation of Feynman's and remarked that the two of them were working on the same thing from different directions. [1]
Stochastic quantum mechanics is a framework for describing the dynamics of particles that are subjected to an intrinsic random processes as well as various external forces. The framework provides a derivation of the diffusion equations associated to these stochastic particles.
In Itô calculus, the Euler–Maruyama method (also simply called the Euler method) is a method for the approximate numerical solution of a stochastic differential equation (SDE). It is an extension of the Euler method for ordinary differential equations to stochastic differential equations named after Leonhard Euler and Gisiro Maruyama. The ...
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