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  2. Stochastic differential equation - Wikipedia

    en.wikipedia.org/wiki/Stochastic_differential...

    Stochastic differential equations originated in the theory of Brownian motion, in the work of Albert Einstein and Marian Smoluchowski in 1905, although Louis Bachelier was the first person credited with modeling Brownian motion in 1900, giving a very early example of a stochastic differential equation now known as Bachelier model.

  3. Geometric Brownian motion - Wikipedia

    en.wikipedia.org/wiki/Geometric_Brownian_motion

    A stochastic process S t is said to follow a GBM if it satisfies the following stochastic differential equation (SDE): = + where is a Wiener process or Brownian motion, and ('the percentage drift') and ('the percentage volatility') are constants.

  4. Lawrence C. Evans - Wikipedia

    en.wikipedia.org/wiki/Lawrence_C._Evans

    Lawrence Craig Evans (born November 1, 1949) is an American mathematician and Professor of Mathematics at the University of California, Berkeley.. His research is in the field of nonlinear partial differential equations, primarily elliptic equations.

  5. Ornstein–Uhlenbeck process - Wikipedia

    en.wikipedia.org/wiki/Ornstein–Uhlenbeck_process

    In physics and engineering disciplines, it is a common representation for the Ornstein–Uhlenbeck process and similar stochastic differential equations by tacitly assuming that the noise term is a derivative of a differentiable (e.g. Fourier) interpolation of the Wiener process.

  6. Stochastic analysis on manifolds - Wikipedia

    en.wikipedia.org/wiki/Stochastic_analysis_on...

    In mathematics, stochastic analysis on manifolds or stochastic differential geometry is the study of stochastic analysis over smooth manifolds. It is therefore a synthesis of stochastic analysis (the extension of calculus to stochastic processes ) and of differential geometry .

  7. Supersymmetric theory of stochastic dynamics - Wikipedia

    en.wikipedia.org/wiki/Supersymmetric_Theory_of...

    Supersymmetric theory of stochastic dynamics (STS) is a multidisciplinary approach to stochastic dynamics on the intersection of dynamical systems theory, statistical physics, stochastic differential equations (SDE), topological field theories, and the theory of pseudo-Hermitian operators. The theory can be viewed as a generalization of the ...

  8. Stratonovich integral - Wikipedia

    en.wikipedia.org/wiki/Stratonovich_integral

    In physics, however, stochastic integrals occur as the solutions of Langevin equations. A Langevin equation is a coarse-grained version of a more microscopic model ( Risken 1996 ); depending on the problem in consideration, Stratonovich or Itô interpretation or even more exotic interpretations such as the isothermal interpretation, are ...

  9. Itô diffusion - Wikipedia

    en.wikipedia.org/wiki/Itô_diffusion

    This illustrates one of the connections between stochastic analysis and the study of partial differential equations. Conversely, a given second-order linear partial differential equation of the form Λ f = 0 may be hard to solve directly, but if Λ = A ∗ for some Itô diffusion X , and an invariant measure for X is easy to compute, then that ...

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