• and ergodic theory, a Markov operator is an operator on a certain function space that conserves the mass (the so-called Markov property). If the underlying...
    6 KB (1,078 words) - 15:40, 16 May 2024
  • Thumbnail for Markov chain
    chain mixing time Markov chain tree theorem Markov decision process Markov information source Markov odometer Markov operator Markov random field Master...
    96 KB (12,900 words) - 21:01, 27 April 2025
  • stochastic matrix is a square matrix used to describe the transitions of a Markov chain. Each of its entries is a nonnegative real number representing a probability...
    20 KB (2,949 words) - 21:08, 14 April 2025
  • matrix, and the projection operators are to be replaced by positive operator valued measures. More precisely, a quantum Markov chain is a pair ( E , ρ )...
    2 KB (201 words) - 17:45, 26 February 2025
  • A continuous-time Markov chain (CTMC) is a continuous stochastic process in which, for each state, the process will change state according to an exponential...
    23 KB (4,240 words) - 23:23, 11 April 2025
  • (z)=(\det(I-zA))^{-1}\ .} Transfer operator De Bruijn graph Quantum finite automata Axiom A Sofic Measures: Characterizations of Hidden Markov Chains by Linear Algebra...
    16 KB (2,396 words) - 16:08, 20 December 2024
  • The general setting is that of a Markov operator on a measured space, a notion which generalises the Markov operator f ↦ f ∗ μ {\displaystyle f\mapsto...
    14 KB (2,325 words) - 01:40, 4 October 2024
  • { P t } t ≥ 0 {\displaystyle \{P_{t}\}_{t\geq 0}} a Markov semigroup of non-negative operators on L 2 ( X , μ ) {\displaystyle L^{2}(X,\mu )} , A {\displaystyle...
    5 KB (669 words) - 13:38, 10 March 2025
  • Thumbnail for Discrete-time Markov chain
    In probability, a discrete-time Markov chain (DTMC) is a sequence of random variables, known as a stochastic process, in which the value of the next variable...
    25 KB (4,252 words) - 18:52, 20 February 2025
  • quantum Markov semigroup describes the dynamics in a Markovian open quantum system. The axiomatic definition of the prototype of quantum Markov semigroups...
    12 KB (1,633 words) - 23:02, 8 July 2024
  • Thumbnail for Expected value
    the expected value (also called expectation, expectancy, expectation operator, mathematical expectation, mean, expectation value, or first moment) is...
    52 KB (7,614 words) - 09:40, 1 May 2025
  • Discrete-time Markov chain § Stationary distributions and continuous-time Markov chain § Stationary distribution, a special distribution for a Markov chain such...
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  • Thumbnail for Reinforcement learning
    Reinforcement learning (category Markov models)
    exploration–exploitation dilemma. The environment is typically stated in the form of a Markov decision process (MDP), as many reinforcement learning algorithms use dynamic...
    64 KB (7,580 words) - 08:49, 30 April 2025
  • Feller process (category Markov processes)
    relating to stochastic processes, a Feller process is a particular kind of Markov process. Let X be a locally compact Hausdorff space with a countable base...
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  • x_{t+1}=i)} . Kolmogorov's criterion defines the condition for a Markov chain or continuous-time Markov chain to be time-reversible. Time reversal of numerous classes...
    8 KB (1,062 words) - 14:21, 6 April 2025
  • Thumbnail for Shaul Foguel
    study of Markov operators" Dept. of Mathematics, University of North Carolina at Chapel Hill, 1980 Shaul R. Foguel "The Ergodic theory of Markov processes"...
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  • continuity; the Markov property; the strong Markov property; the existence of an infinitesimal generator; the existence of a characteristic operator; Dynkin's...
    30 KB (4,657 words) - 02:48, 20 June 2024
  • components. This vector corresponds to the stationary distribution of the Markov chain represented by the row-normalized adjacency matrix; however, the adjacency...
    102 KB (13,619 words) - 18:41, 19 April 2025
  • Bayesian network Dynamic Markov compression Dynamic topic model Dynamic unobserved effects model EDLUT ELKI Edge recombination operator Effective fitness Elastic...
    39 KB (3,386 words) - 22:50, 15 April 2025
  • Thumbnail for Stochastic process
    scientists. Markov processes and Markov chains are named after Andrey Markov who studied Markov chains in the early 20th century. Markov was interested...
    168 KB (18,657 words) - 17:03, 16 March 2025
  • Thumbnail for ChatGPT
    ChatGPT (section Operator)
    Archived from the original on January 11, 2023. Retrieved December 30, 2022. Markov, Todor; Zhang, Chong; Agarwal, Sandhini; Eloundou, Tyna; Lee, Teddy; Adler...
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  • interest can be neglected. These three approximations are called Born, Markov, and rotating wave, respectively. The weak-coupling limit derivation assumes...
    23 KB (3,805 words) - 13:33, 8 December 2024
  • unbounded search operator is related to Markov's principle. In the following x represents the string xi, ..., xn. The bounded μ-operator can be expressed...
    32 KB (3,228 words) - 21:41, 19 December 2024
  • sequence of output data, a realization of an underlying state-space or hidden Markov model is desired. The singular value decomposition of the Hankel matrix...
    8 KB (1,249 words) - 21:04, 14 April 2025
  • Thumbnail for T-54/T-55 operators and variants
    Obozreniye Bronetankovoj Tekhniki (1905–1995 gg.) Bastion Nevskij 269-71 Markov, David Andrew Hull, Steven Zaloga Soviet/Russian Armor and Artillery Design...
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  • of Markov processes. In other scenarios, the closely related Lumer–Phillips theorem is often more useful in determining whether a given operator generates...
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  • Attacking Cryptographic Systems (SHARCS '09). 09: 105–117. Viamontes G.F.; Markov I.L.; Hayes J.P. (2005), "Is Quantum Search Practical?" (PDF), Computing...
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  • Thumbnail for Diffusion map
    Diffusion maps exploit the relationship between heat diffusion and random walk Markov chain. The basic observation is that if we take a random walk on the data...
    19 KB (2,469 words) - 21:09, 26 April 2025
  • Bernoulli scheme (category Markov models)
    Bernoulli shift. This is essentially the Markov partition. The term shift is in reference to the shift operator, which may be used to study Bernoulli schemes...
    11 KB (1,761 words) - 11:13, 30 December 2024
  • }}X(t)>0\\\max(r_{i},0)&{\text{ if }}X(t)=0.\end{cases}}} The operator is a continuous time Markov chain and is usually called the environment process, background...
    23 KB (2,602 words) - 19:40, 22 November 2023