A connection between Gaussian processes and Markov processes.
Eisenbaum, Nathalie (2005)
Electronic Journal of Probability [electronic only]
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Eisenbaum, Nathalie (2005)
Electronic Journal of Probability [electronic only]
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Michel J. G. Weber (2012)
Colloquium Mathematicae
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We give two examples of periodic Gaussian processes, having entropy numbers of exactly the same order but radically different small deviations. Our construction is based on Knopp's classical result yielding existence of continuous nowhere differentiable functions, and more precisely on Loud's functions. We also obtain a general lower bound for small deviations using the majorizing measure method. We show by examples that our bound is sharp. We also apply it to Gaussian independent sequences...
Renze, John, Wagon, Stan, Wick, Brian (2001)
Experimental Mathematics
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Slobodanka S. Mitrović (2005)
Matematički Vesnik
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Rovskiĭ, V.A. (2004)
Zapiski Nauchnykh Seminarov POMI
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J.-R. Pycke (2006)
Banach Center Publications
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Karhunen-Loève expansions of Gaussian processes have numerous applications in Probability and Statistics. Unfortunately the set of Gaussian processes with explicitly known spectrum and eigenfunctions is narrow. An interpretation of three historical examples enables us to understand the key role of the Laplacian. This allows us to extend the set of Gaussian processes for which a very explicit Karhunen-Loève expansion can be derived.
M. Clausel, F. Roueff, M. S. Taqqu, C. Tudor (2014)
ESAIM: Probability and Statistics
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We consider stationary processes with long memory which are non-Gaussian and represented as Hermite polynomials of a Gaussian process. We focus on the corresponding wavelet coefficients and study the asymptotic behavior of the sum of their squares since this sum is often used for estimating the long–memory parameter. We show that the limit is not Gaussian but can be expressed using the non-Gaussian Rosenblatt process defined as a Wiener–Itô integral of order 2. This happens even if the...
Ivković, Z., Peruničić, P. (1990)
Publications de l'Institut Mathématique. Nouvelle Série
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B. Lučić (1986)
Matematički Vesnik
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Nicolas Privault, Anthony Réveillac (2011)
ESAIM: Probability and Statistics
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Using integration by parts on Gaussian space we construct a Stein Unbiased Risk Estimator (SURE) for the drift of Gaussian processes, based on their local and occupation times. By almost-sure minimization of the SURE risk of shrinkage estimators we derive an estimation and de-noising procedure for an input signal perturbed by a continuous-time Gaussian noise.
Manfred G. Madritsch (2008)
Acta Arithmetica
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Van Zanten, Harry (2008)
Electronic Communications in Probability [electronic only]
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Michel Talagrand (1988)
Annales de l'I.H.P. Probabilités et statistiques
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Jean-Marc Azaïs, Jean-Marc Bardet, Mario Wschebor (2010)
ESAIM: Probability and Statistics
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We study the tails of the distribution of the maximum of a stationary Gaussian process on a bounded interval of the real line. Under regularity conditions including the existence of the spectral moment of order , we give an additional term for this asymptotics. This widens the application of an expansion given originally by Piterbarg [CITE] for a sufficiently small interval.