In mathematics — specifically, in stochastic analysis — the infinitesimal generator of a Feller process (i.e. a continuous-time Markov process satisfying certain regularity conditions) is a Fourier multiplier operator that encodes a great deal of information about the process. The generator is used in evolution equations such as the Kolmogorov backward equation (which describes the evolution of statistics of the process); its L2 Hermitian adjoint is used in evolution equations such as the Fokker–Planck equation (which describes the evolution of the probability density functions of the process).
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| - Generator (Markow-Prozesse) (de)
- Infinitesimal generator (stochastic processes) (en)
- Générateur infinitésimal (fr)
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| - Der Erzeuger, Generator, infinitesimale Erzeuger oder infinitesimale Generator der Übergangshalbgruppe eines zeithomogenen Markow-Prozesses in stetiger Zeit ist ein Operator, welcher das stochastische Verhalten des Prozesses in infinitesimaler Zeit erfasst. Aufgrund der Markow-Eigenschaft und der zeitlichen Homogenität wird der Prozess unter bestimmten Voraussetzungen durch seinen infinitesimalen Erzeuger bestimmt bzw. generiert. (de)
- In mathematics — specifically, in stochastic analysis — the infinitesimal generator of a Feller process (i.e. a continuous-time Markov process satisfying certain regularity conditions) is a Fourier multiplier operator that encodes a great deal of information about the process. The generator is used in evolution equations such as the Kolmogorov backward equation (which describes the evolution of statistics of the process); its L2 Hermitian adjoint is used in evolution equations such as the Fokker–Planck equation (which describes the evolution of the probability density functions of the process). (en)
- Un générateur infinitésimal est un outil de calcul stochastique, utilisé notamment pour les processus de Markov à temps continu. (fr)
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| - Der Erzeuger, Generator, infinitesimale Erzeuger oder infinitesimale Generator der Übergangshalbgruppe eines zeithomogenen Markow-Prozesses in stetiger Zeit ist ein Operator, welcher das stochastische Verhalten des Prozesses in infinitesimaler Zeit erfasst. Aufgrund der Markow-Eigenschaft und der zeitlichen Homogenität wird der Prozess unter bestimmten Voraussetzungen durch seinen infinitesimalen Erzeuger bestimmt bzw. generiert. (de)
- In mathematics — specifically, in stochastic analysis — the infinitesimal generator of a Feller process (i.e. a continuous-time Markov process satisfying certain regularity conditions) is a Fourier multiplier operator that encodes a great deal of information about the process. The generator is used in evolution equations such as the Kolmogorov backward equation (which describes the evolution of statistics of the process); its L2 Hermitian adjoint is used in evolution equations such as the Fokker–Planck equation (which describes the evolution of the probability density functions of the process). (en)
- Un générateur infinitésimal est un outil de calcul stochastique, utilisé notamment pour les processus de Markov à temps continu. (fr)
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