Výsledky vyhledávání - "Yves Guivarc'h"

Random matrix products when the top Lyapunov exponent is simple

Publikováno v: 2017-58. 28 pages, 1 figure. 2017

In the present paper, we treat random matrix products on the general linear group $\textrm{GL}(V)$, where $V$ is a vector space defined on any local field, when the top Lyapunov exponent is simple, without irreducibility assumption. In particular, we

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9c27e2a259400b487d2e4cc518c69431
https://hal.archives-ouvertes.fr/hal-01535626

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On multidimensional Mandelbrot cascades

Autor: Dariusz Buraczewski, Yves Guivarc'h, Ewa Damek, Sebastian Mentemeier

Publikováno v: Journal of Difference Equations and Applications. 20:1523-1567

Let Z be a random variable with values in a proper closed convex cone , A a random endomorphism of C and N a random integer. We assume that Z, A, N are independent. Given N independent copies of we define a new random variable . Let T be the correspo

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https://doi.org/10.1080/10236198.2014.950259

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Relations de récurrence à coefficients aléatoires et lois stables

Autor: Zhiqiang Gao, Yves Guivarc'h, Emile Le Page

Publikováno v: Comptes Rendus Mathematique. 351:69-72

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::23c133ae38c2234a2da6624d7e3ce11c
https://doi.org/10.1016/j.crma.2013.01.002

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On the spectral theory of groups of affine transformations of compact nilmanifolds

Autor: Bachir Bekka, Yves Guivarc'h

Publikováno v: Annales Scientifiques de l'École Normale Supérieure
Annales Scientifiques de l'École Normale Supérieure, Elsevier Masson, 2015, 48 (3), pp.607-645
Annales Scientifiques de l'École Normale Supérieure, Société mathématique de France, 2015, 48 (3), pp.607-645
Annales Scientifiques de l'École Normale Supérieure, 2015, 48 (3), pp.607-645

Let $N$ be a connected and simply connected nilpotent Lie group, $\Lambda$ a lattice in $N$, and $X=N/\Lambda$ the corresponding nilmanifold. Let $Aff(X)$ be the group of affine transformations of $X$. We characterize the countable subgroups $H$ of $

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1f8142e85d76558b8668ccd3258bbb42
https://hal.archives-ouvertes.fr/hal-00602648

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Group-theoretic compactification of Bruhat–Tits buildings

Autor: Yves Guivarc'h, Bertrand Rémy

Publikováno v: Annales Scientifiques de l’École Normale Supérieure. 39:871-920

Let G F denote the rational points of a semisimple group G over a non-archimedean local field F , with Bruhat–Tits building X . This paper contains five main results. We prove a convergence theorem for sequences of parahoric subgroups of G F in the

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https://doi.org/10.1016/j.ansens.2006.10.002

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A Spectral Gap Property for Random Walks Under Unitary Representations

Autor: Yves Guivarc'h, Bachir Bekka

Publikováno v: Geometriae Dedicata
Geometriae Dedicata, Springer Verlag, 2006, 118, pp.141-155
Geometriae Dedicata, 2006, 118, pp.141-155

Let $G$ be a locally compact group and $\mu$ a probability measure on $G,$ which is not assumed to be absolutely continuous with respect to Haar measure. Given a unitary representation $(\pi, \cal H)$ of $G,$ we study spectral properties of the opera

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https://doi.org/10.1007/s10711-005-9031-2

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Asymptotic properties of convolution operators and limits of triangular arrays on locally compact groups

Autor: Yves Guivarc'h, Riddhi Shah

Publikováno v: Transactions of the American Mathematical Society. 357:3683-3723

We consider a locally compact group G and a limiting measure μ of a commutative infinitesimal triangular system (c.i.t.s.) A of probability measures on G. We show, under some restrictions on G, μ or A, that μ belongs to a continuous one-parameter

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https://doi.org/10.1090/s0002-9947-05-03645-7

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On the multidimensional stochastic equation

Autor: Emile Le Page, Benoîte de Saporta, Yves Guivarc'h

Publikováno v: Comptes Rendus Mathematique. 339:499-502

We study the behavior at infinity of the tail of the stationary solution of a multidimensional linear auto-regressive process with random coefficients. We exhibit an extended class of multiplicative coefficients satisfying a condition of irreducibili

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https://doi.org/10.1016/j.crma.2004.07.024

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Normalisation d'un processus de branchement critique dans un environnement aléatoire

Autor: Yves Guivarc'h, Emile Le Page, Quansheng Liu

Publikováno v: Comptes Rendus Mathematique. 337:603-608

Resume Soit ( Z n ) un processus de branchement critique dans un environnement aleatoire independant et identiquement distribue (i.i.d.). Soit C n = E ω [ Z n ∣ Z n >0] l'esperance conditionnelle de Z n sachant Z n >0, pour un environnement ω fix

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https://doi.org/10.1016/j.crma.2003.08.011

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