mathematics, the Wiener process is a real-valued continuous-time stochastic process named in honor of American mathematician Norbert Wiener for his investigations...
35 KB (5,899 words) - 19:42, 30 July 2024
probability for stochastic processes, the reflection principle for a Wiener process states that if the path of a Wiener process f(t) reaches a value f(s)...
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stochastic processes. Examples of such stochastic processes include the Wiener process or Brownian motion process, used by Louis Bachelier to study price changes...
162 KB (17,919 words) - 13:01, 18 August 2024
Technology (MIT). A child prodigy, Wiener later became an early researcher in stochastic and mathematical noise processes, contributing work relevant to electronic...
43 KB (4,732 words) - 17:40, 11 August 2024
such a process is called mean-reverting. The process can be considered to be a modification of the random walk in continuous time, or Wiener process, in...
30 KB (4,607 words) - 06:49, 22 July 2024
sports club in Vienna Wiener process, a mathematical model related to Brownian motion Wiener equation, named after Norbert Wiener, assumes the current...
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motion (the Wiener process). The best known of these is attributed to Paul Lévy (1939). All three laws relate path properties of the Wiener process to the...
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Itô calculus (redirect from Itô process)
extends the methods of calculus to stochastic processes such as Brownian motion (see Wiener process). It has important applications in mathematical...
30 KB (4,461 words) - 17:33, 31 March 2024
In signal processing, the Wiener filter is a filter used to produce an estimate of a desired or target random process by linear time-invariant (LTI) filtering...
16 KB (2,953 words) - 00:51, 17 April 2024
Random walk (category Stochastic processes)
Lawler, Schramm and Werner. A Wiener process enjoys many symmetries a random walk does not. For example, a Wiener process walk is invariant to rotations...
55 KB (7,633 words) - 12:22, 17 August 2024
Lévy process may thus be viewed as the continuous-time analog of a random walk. The most well known examples of Lévy processes are the Wiener process, often...
12 KB (1,715 words) - 12:38, 6 January 2024
In statistics, a generalized Wiener process (named after Norbert Wiener) is a continuous time random walk with drift and random jumps at every point in...
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The Wiener sausage was named after Norbert Wiener by M. D. Donsker and S. R. Srinivasa Varadhan (1975) because of its relation to the Wiener process; the...
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Predictable process, a stochastic process whose value is knowable Stochastic process, a random process, as opposed to a deterministic process Wiener process, a...
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Girsanov theorem (category Stochastic processes)
theorem first for the special case when the underlying stochastic process is a Wiener process. This special case is sufficient for risk-neutral pricing in...
8 KB (1,564 words) - 11:47, 17 May 2024
statistics, diffusion processes are a class of continuous-time Markov process with almost surely continuous sample paths. Diffusion process is stochastic in...
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best-known stochastic process to which stochastic calculus is applied is the Wiener process (named in honor of Norbert Wiener), which is used for modeling...
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Markov chain (redirect from Markov process)
important examples of Markov processes are the Wiener process, also known as the Brownian motion process, and the Poisson process, which are considered the...
93 KB (12,484 words) - 09:37, 15 August 2024
wide-sense-stationary random process has a spectral decomposition given by the power spectral density of that process. Norbert Wiener proved this theorem for...
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{\lambda _{n}h}{2}}}}.} A Wiener process (also known as Brownian motion) is the integral of a white noise generalized Gaussian process. It is not stationary...
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(usually n-dimensional Euclidean space). Classical Wiener space is useful in the study of stochastic processes whose sample paths are continuous functions....
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Wiener process. Property (3) means that every non-degenerate mean-square continuous Gauss–Markov process can be synthesized from the standard Wiener process...
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set of Wiener processes alone), any equivalent measure can be described in a very loose sense by adding a drift to each of the Wiener processes. By selecting...
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filter Wiener's lemma Wiener process Generalized Wiener process Wiener sausage Wiener series Wiener–Hopf method Wiener–Ikehara theorem Wiener–Khinchin...
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Autoregressive model (redirect from Autoregressive process)
statistics, econometrics, and signal processing, an autoregressive (AR) model is a representation of a type of random process; as such, it can be used to describe...
35 KB (5,416 words) - 17:26, 7 July 2024
terms up to first order in the time increment and second order in the Wiener process increment. The lemma is widely employed in mathematical finance, and...
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Fokker–Planck equation (category Stochastic processes)
Nikolay Krylov. In one spatial dimension x, for an Itô process driven by the standard Wiener process W t {\displaystyle W_{t}} and described by the stochastic...
35 KB (6,474 words) - 16:37, 5 March 2024
Brownian bridge (category Wiener process)
continuous-time gaussian process B(t) whose probability distribution is the conditional probability distribution of a standard Wiener process W(t) (a mathematical...
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Geometric Brownian motion (category Wiener process)
continuous-time stochastic process in which the logarithm of the randomly varying quantity follows a Brownian motion (also called a Wiener process) with drift. It...
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Brownian motion (category Wiener process)
described by the Wiener process, a continuous-time stochastic process named in honor of Norbert Wiener. It is one of the best known Lévy processes (càdlàg stochastic...
55 KB (7,130 words) - 20:16, 4 August 2024