• Thumbnail for Random walk
    mathematics, a random walk, sometimes known as a drunkard's walk, is a stochastic process that describes a path that consists of a succession of random steps on...
    56 KB (7,703 words) - 01:28, 25 February 2025
  • Random Walk is a 1988 novel by Lawrence Block. It was first published by Tor Books. One day, Guthrie Wagner hears a voice telling him to abandon his life...
    3 KB (363 words) - 09:30, 29 March 2025
  • Quantum walks are quantum analogs of classical random walks. In contrast to the classical random walk, where the walker occupies definite states and the...
    18 KB (2,600 words) - 05:39, 16 May 2025
  • The random walk hypothesis is a financial theory stating that stock market prices evolve according to a random walk (so price changes are random) and thus...
    11 KB (1,502 words) - 08:32, 6 August 2024
  • Thumbnail for Stochastic process
    various categories, which include random walks, martingales, Markov processes, Lévy processes, Gaussian processes, random fields, renewal processes, and...
    168 KB (18,657 words) - 20:31, 17 May 2025
  • is a random walk in which the step-lengths have a stable distribution, a probability distribution that is heavy-tailed. When defined as a walk in a space...
    17 KB (1,816 words) - 15:31, 24 February 2025
  • Thumbnail for Loop-erased random walk
    In mathematics, loop-erased random walk is a model for a random simple path with important applications in combinatorics, physics and quantum field theory...
    16 KB (2,458 words) - 02:41, 5 May 2025
  • Thumbnail for Branching random walk
    probability theory, a branching random walk is a stochastic process that generalizes both the concept of a random walk and of a branching process. At every...
    3 KB (347 words) - 10:03, 25 November 2024
  • higher probabilities. Random walk Monte Carlo methods are a kind of random simulation or Monte Carlo method. However, whereas the random samples of the integrand...
    62 KB (8,537 words) - 04:54, 19 May 2025
  • quantum walk search is a quantum algorithm for finding a marked node in a graph. The concept of a quantum walk is inspired by classical random walks, in which...
    20 KB (2,897 words) - 18:16, 28 May 2024
  • Thumbnail for Polymer physics
    a random walk, the self-avoiding walk. The simplest possible polymer model is presented by the ideal chain, corresponding to a simple random walk. Experimental...
    22 KB (3,287 words) - 20:54, 1 February 2025
  • Thumbnail for Brownian motion
    stochastic processes which converge (in the limit) to Brownian motion (see random walk and Donsker's theorem). The Roman philosopher-poet Lucretius' scientific...
    55 KB (7,140 words) - 01:57, 7 May 2025
  • Thumbnail for Randomness
    theory Quantum mechanics Random walk Statistical mechanics Statistics In the 19th century, scientists used the idea of random motions of molecules in the...
    34 KB (4,316 words) - 10:18, 11 February 2025
  • Maximal entropy random walk (MERW) is a popular type of biased random walk on a graph, in which transition probabilities are chosen accordingly to the...
    18 KB (2,798 words) - 03:29, 10 April 2025
  • Thumbnail for Brownian noise
    signal noise produced by Brownian motion, hence its alternative name of random walk noise. The term "Brown noise" does not come from the color, but after...
    9 KB (1,054 words) - 09:22, 23 April 2025
  • a simple random walk in two dimensions, but they start from different points. The simplest way to couple them is simply to force them to walk together...
    6 KB (971 words) - 07:54, 22 June 2024
  • A Random Walk Down Wall Street, written by Burton Gordon Malkiel, a Princeton University economist, is a book on the subject of stock markets which popularized...
    3 KB (278 words) - 10:00, 19 January 2025
  • Thumbnail for Chemotaxis
    swimming in a uniform environment will form a random walk with relatively straight swims interrupted by random tumbles that reorient the bacterium. Bacteria...
    66 KB (7,445 words) - 06:58, 6 January 2025
  • Thumbnail for Wiener process
    Wiener process (redirect from Brownian walk)
    random walk, or other discrete-time stochastic processes with stationary independent increments. This is known as Donsker's theorem. Like the random walk...
    35 KB (5,874 words) - 16:55, 16 May 2025
  • the segments of each such chain in an ensemble as performing a random walk (or "random flight") in three dimensions, limited only by the constraint that...
    10 KB (1,362 words) - 19:33, 18 March 2024
  • The random walk model of consumption was introduced by economist Robert Hall. This model uses the Euler numerical method to model consumption. He created...
    7 KB (842 words) - 14:22, 15 January 2024
  • either of indegree and outdegree can be used for normalization: The left (random-walk) normalized Laplacian matrix is defined as: L rw := D + L = I − D + A...
    45 KB (5,042 words) - 19:15, 16 May 2025
  • the random walk hypothesis. The random walk index (RWI) is a technical indicator that attempts to determine if a stock's price movement is random in nature...
    58 KB (7,266 words) - 17:40, 1 May 2025
  • hand) of the game is not independent of the past states. Consider a random walk on the number line where, at each step, the position (call it x) may...
    14 KB (2,405 words) - 17:52, 29 March 2025
  • Thumbnail for Self-avoiding walk
    higher dimensions, the SAW is believed to behave much like the ordinary random walk. SAWs and SAPs play a central role in the modeling of the topological...
    12 KB (1,508 words) - 14:58, 29 April 2025
  • Thumbnail for Stock market crash
    instead of following a strict random walk, stock price variations executed a Lévy flight. A Lévy flight is a random walk that is occasionally disrupted...
    37 KB (4,383 words) - 01:11, 7 May 2025
  • Random walk closeness centrality is a measure of centrality in a network, which describes the average speed with which randomly walking processes reach...
    8 KB (1,385 words) - 14:57, 17 August 2022
  • Thumbnail for Central limit theorem
    for Functionals of Random Walks. AMS Bookstore. Theorem 1.1, p. 8. ISBN 0-8218-0438-3. Petrov, V. V. (1976). Sums of Independent Random Variables. New York-Heidelberg:...
    67 KB (9,171 words) - 16:52, 28 April 2025
  • Thumbnail for Subsurface scattering
    scatter the light path further, hence the name "random walk". Isotropic scattering is simulated by picking random directions evenly along a sphere. Anisotropic...
    10 KB (1,201 words) - 12:20, 18 May 2024
  • Thumbnail for Biased random walk on a graph
    In network science, a biased random walk on a graph is a time path process in which an evolving variable jumps from its current state to one of various...
    7 KB (998 words) - 05:19, 9 June 2024