• Thumbnail for Brownian motion
    Brownian motion is the random motion of particles suspended in a medium (a liquid or a gas). This motion pattern typically consists of random fluctuations...
    54 KB (7,111 words) - 11:56, 18 July 2024
  • Thumbnail for Geometric Brownian motion
    A geometric Brownian motion (GBM) (also known as exponential Brownian motion) is a continuous-time stochastic process in which the logarithm of the randomly...
    14 KB (2,237 words) - 18:08, 28 February 2024
  • fractional Brownian motion (fBm), also called a fractal Brownian motion, is a generalization of Brownian motion. Unlike classical Brownian motion, the increments...
    14 KB (2,159 words) - 01:44, 29 May 2024
  • Thumbnail for Brownian noise
    In science, Brownian noise, also known as Brown noise or red noise, is the type of signal noise produced by Brownian motion, hence its alternative name...
    7 KB (788 words) - 03:44, 5 July 2024
  • Thumbnail for Wiener process
    mathematical properties of the one-dimensional Brownian motion. It is often also called Brownian motion due to its historical connection with the physical...
    35 KB (5,899 words) - 22:58, 21 July 2024
  • In probability theory, reflected Brownian motion (or regulated Brownian motion, both with the acronym RBM) is a Wiener process in a space with reflecting...
    14 KB (1,569 words) - 07:52, 6 January 2024
  • Thumbnail for Brownian bridge
    distribution of a standard Wiener process W(t) (a mathematical model of Brownian motion) subject to the condition (when standardized) that W(T) = 0, so that...
    5 KB (828 words) - 09:31, 28 May 2024
  • Thumbnail for Brownian ratchet
    thermal and statistical physics, the Brownian ratchet or Feynman–Smoluchowski ratchet is an apparent perpetual motion machine of the second kind (converting...
    18 KB (2,142 words) - 06:53, 29 October 2023
  • In mathematics, the Dyson Brownian motion is a real-valued continuous-time stochastic process named for Freeman Dyson. Dyson studied this process in the...
    3 KB (336 words) - 05:35, 28 November 2023
  • Thumbnail for Robert Brown (botanist, born 1773)
    of the cell nucleus and cytoplasmic streaming; the observation of Brownian motion; early work on plant pollination and fertilisation, including being...
    27 KB (2,968 words) - 21:33, 20 July 2024
  • Thumbnail for Itô calculus
    Itô, 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
  • Rotational Brownian motion is the random change in the orientation of a polar molecule due to collisions with other molecules. It is an important element...
    3 KB (324 words) - 05:46, 13 March 2024
  • Thumbnail for Perpetual motion
    increase in entropy. Brownian ratchet: In this thought experiment, one imagines a paddle wheel connected to a ratchet. Brownian motion would cause surrounding...
    45 KB (5,258 words) - 06:56, 16 July 2024
  • generator of Brownian motion is the Laplace operator and the transition probability density p ( t , x , y ) {\displaystyle p(t,x,y)} of Brownian motion is the...
    20 KB (3,647 words) - 00:21, 17 May 2024
  • Thumbnail for Brownian motor
    Brownian motors are nanoscale or molecular machines that use chemical reactions to generate directed motion in space. The theory behind Brownian motors...
    21 KB (2,372 words) - 10:45, 8 May 2023
  • Thumbnail for Sierpiński carpet
    in X. Then X is homeomorphic to the Sierpiński carpet. The topic of Brownian motion on the Sierpiński carpet has attracted interest in recent years. Martin...
    10 KB (1,245 words) - 16:20, 1 June 2024
  • concept to understand for anisotropy measurements is the concept of Brownian motion. Although water at room temperature contained in a glass to the eye...
    14 KB (2,043 words) - 10:07, 5 March 2024
  • Thumbnail for Stochastic process
    Examples of such stochastic processes include the Wiener process or Brownian motion process, used by Louis Bachelier to study price changes on the Paris...
    162 KB (17,885 words) - 02:18, 27 June 2024
  • of collisions with the surrounding particles. This is used to model Brownian motion. Newton's three laws can be applied to phenomena involving electricity...
    121 KB (15,341 words) - 03:14, 27 July 2024
  • +\infty )\times \Omega \to \mathbb {R} } be a one-dimensional standard Brownian motion starting at zero. Stopping at a deterministic time T > 0 {\displaystyle...
    3 KB (588 words) - 05:19, 7 September 2023
  • and other ocean predators cannot find food, they abandon Brownian motion, the random motion seen in swirling gas molecules, for Lévy flight — a mix of...
    14 KB (1,484 words) - 02:51, 25 April 2024
  • the Euclidean norm in Rn and W is an n-dimensional Wiener process (Brownian motion). For any n, the n-dimensional Bessel process is the solution to the...
    3 KB (347 words) - 00:23, 19 June 2024
  • Thumbnail for Albert Einstein
    These papers outlined a theory of the photoelectric effect, explained brownian motion, introduced his special theory of relativity—a theory which addressed...
    221 KB (22,233 words) - 17:09, 28 July 2024
  • to Brownian motion, which models the fluctuating motion of a small particle in a fluid. The original Langevin equation describes Brownian motion, the...
    30 KB (5,213 words) - 19:40, 4 June 2024
  • Thumbnail for Annus mirabilis papers
    Einstein the 1921 Nobel Prize in Physics. The second paper explained Brownian motion, which established the Einstein relation D = μ k B T {\displaystyle...
    29 KB (3,595 words) - 17:59, 30 June 2024
  • antecedents to the general theorem, including Einstein's explanation of Brownian motion during his annus mirabilis and Harry Nyquist's explanation in 1928...
    27 KB (4,179 words) - 10:12, 24 May 2024
  • Thumbnail for Stopping time
    B_{t}=a\}} is a stopping time for Brownian motion, corresponding to the stopping rule: "stop as soon as the Brownian motion hits the value a." Another stopping...
    13 KB (1,938 words) - 00:07, 26 April 2024
  • such as fractional Brownian motion. Once again, let B t {\displaystyle B_{t}} be a d {\displaystyle d} -dimensional Brownian motion. Assume that the drift...
    29 KB (5,731 words) - 06:28, 12 July 2024
  • ^{2}{\frac {\lambda _{n}h}{2}}}}.} A Wiener process (also known as Brownian motion) is the integral of a white noise generalized Gaussian process. It...
    40 KB (5,516 words) - 05:20, 22 May 2024
  • active Brownian particle (ABP) is a model of self-propelled motion in a dissipative environment. It is a nonequilibrium generalization of a Brownian particle...
    12 KB (1,533 words) - 05:40, 29 April 2024