Comptes Rendus
Probability Theory
Local self-similarity and the Hausdorff dimension
[Auto-similarité locale et dimension de Hausdorff]
Comptes Rendus. Mathématique, Volume 336 (2003) no. 3, pp. 267-272.

Soit X un processus stochastique localement auto-similaire d'exposant 0<H<1 dont les trajectoires sont p.s. CHε pour tout ε>0. Alors la dimension de Hausdorff du graphe de X est p.s. 2−H.

Let X be a locally self-similar stochastic process of index 0<H<1 whose sample paths are a.s. CHε for all ε>0. Then the Hausdorff dimension of the graph of X is a.s. 2−H.

Reçu le :
Accepté le :
Publié le :
DOI : 10.1016/S1631-073X(03)00015-3
Albert Benassi 1 ; Serge Cohen 2 ; Jacques Istas 3

1 Université Blaise Pascal (Clermont-Ferrand II), LaMP, CNRS UPRESA 6016, 63177 Aubière cedex, France
2 Université Paul Sabatier, UFR MIG, Laboratoire de statistique et de probabilités, 118, route de Narbonne, 31062 Toulouse, France
3 Département IMSS, BSHM, Université Pierre Mendès-France, 38000 Grenoble, France
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Albert Benassi; Serge Cohen; Jacques Istas. Local self-similarity and the Hausdorff dimension. Comptes Rendus. Mathématique, Volume 336 (2003) no. 3, pp. 267-272. doi : 10.1016/S1631-073X(03)00015-3. https://comptes-rendus.academie-sciences.fr/mathematique/articles/10.1016/S1631-073X(03)00015-3/

[1] A. Ayache, F. Roueff, Hausdorff dimension of some random continuous graphs, Preprint, 2002

[2] A. Ayache, F. Roueff, Dimension de Hausdorff locale des séries aléatoires d'ondelettes, Seminar the Journées Fractals Aléatoires, Université Paris XII, Créteil, Septembre 2001

[3] A. Ayache, F. Roueff, A Fourier formulation of the Frostman criterion for random graphs and its applications to wavelet series, Letter to the editor, Appl. Comput. Harmonic Anal., to appear

[4] A. Benassi; S. Cohen; J. Istas Identifying the multifractional function of a Gaussian process, Statist. Probab. Lett., Volume 39 (1998), pp. 337-345

[5] A. Benassi; S. Cohen; J. Istas; S. Jaffard Identification of filtered white noises, Stochastics Process Appl., Volume 75 (1998), pp. 31-49

[6] A. Benassi; S. Cohen; J. Istas Identification and properties of real harmonizable fractional Lévy motions, Bernoulli, Volume 8 (2002), pp. 97-115

[7] A. Benassi; S. Jaffard; D. Roux Gaussian processes and pseudodifferential elliptic operators, Rev. Math. Iberoamericana, Volume 13 (1996) no. 1, pp. 19-90

[8] K. Falconer Fractal Geometry, Lecture Notes, Monograph Series, Wiley, 1990

[9] R. Peltier, J. Lévy-Vehel, Multifractional Brownian motion: definition and preliminary results, Rapport de recherche de l'INRIA 2645, 1995

[10] G. Samorodnitsky; M. Taqqu Stable Non-Gaussian Random Processes, Chapmann and Hall, 1994

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