Academic literature on the topic 'Ergodicité'
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Journal articles on the topic "Ergodicité"
Mokkadem, Abdelkader. "SUR UN MODÉLE AUTORÉGRESSIF NON LINÉAIRE, ERGODICITÉ ET ERGODICITÉ GÉOMÉTRIQUE." Journal of Time Series Analysis 8, no. 2 (March 1987): 195–204. http://dx.doi.org/10.1111/j.1467-9892.1987.tb00432.x.
Full textCépa, E., and s. Jacquot. "Ergodicité d'inégalités variationnelles stochastiques." Stochastics and Stochastic Reports 63, no. 1-2 (April 1998): 41–64. http://dx.doi.org/10.1080/17442509808834142.
Full textTricot, Claude, and Rudolf Riedi. "Attracteurs, orbites et ergodicité." Annales mathématiques Blaise Pascal 6, no. 1 (1999): 55–72. http://dx.doi.org/10.5802/ambp.115.
Full textMuraz. "ERGODICITÉ ET FONCTIONS DE RIEMANN." Real Analysis Exchange 21, no. 1 (1995): 84. http://dx.doi.org/10.2307/44153889.
Full textLeoncini, Xavier, Cristel Chandre, and Ouerdia Ourrad. "Ergodicité, collage et transport anomal." Comptes Rendus Mécanique 336, no. 6 (June 2008): 530–35. http://dx.doi.org/10.1016/j.crme.2008.02.006.
Full textRoblin, Thomas. "Ergodicité et équidistribution en courbure négative." Mémoires de la Société mathématique de France 1 (2003): 1–96. http://dx.doi.org/10.24033/msmf.408.
Full textÜstünel, Ali Süleyman, and Moshe Zakai. "Ergodicité des rotations sur l'espace de Wiener." Comptes Rendus de l'Académie des Sciences - Series I - Mathematics 330, no. 8 (April 2000): 725–28. http://dx.doi.org/10.1016/s0764-4442(00)00249-4.
Full textParreau, François. "Ergodicité et pureté des produits de Riesz." Annales de l’institut Fourier 40, no. 2 (1990): 391–405. http://dx.doi.org/10.5802/aif.1218.
Full textMAURIN, M. "La transformation logarithme des processus stochastiques, ergodicité." Le Journal de Physique IV 04, no. C5 (May 1994): C5–1353—C5–1356. http://dx.doi.org/10.1051/jp4:19945301.
Full textBuzzi, Jérôme. "Ergodicité intrinsèque de produits fibrés d'applications chaotiques unidimensionnelles." Bulletin de la Société mathématique de France 126, no. 1 (1998): 51–77. http://dx.doi.org/10.24033/bsmf.2320.
Full textDissertations / Theses on the topic "Ergodicité"
Suciu, Laurian. "Structures, ergodicité et applications des A-contractions." Lyon 1, 2006. http://www.theses.fr/2006LYO10212.
Full textThe aim of this thesis is the study of bounded linear operators T on a Hilbert space H satisfying the inequality T*AT ≤ A, with respect to a positive operator A. Such a T is called an A-contraction. In order to study the ergodic behavior of an A-contraction we introduce the concepts of ergodic, abelian ergodic, and (quasi-) uniform ergodic. We also consider the maximum invariant (reducing) subspace for A and T on which T*AT=A and we obtain Nagy-Foias and Wold type decompositions of H (in the regular case) and some ergodic type decompositions. We give some applications concerning strongly continuous semigroups of operators, hyponormal contractions (quasinormal), contractions with the asymptotic limit an orthogonal projection and quasi-isometries
Boussama, Farid. "Ergodicité, mélange et estimation dans les modèles GARCH." Paris 7, 1998. http://www.theses.fr/1998PA077020.
Full textVarvenne, Maylis. "Ergodicité des équations différentielles stochastiques fractionnaires et problèmes liés." Thesis, Toulouse 3, 2019. http://www.theses.fr/2019TOU30046.
Full textIn this thesis, we focus on three problems related to the ergodicity of stochastic dynamics with memory (in a discrete-time or continuous-time setting) and especially of Stochastic Differential Equations (SDE) driven by fractional Brownian motion. In the first chapter, we study the long-time behavior of a general class of discrete-time stochastic dynamics driven by an ergodic and stationary Gaussian noise. Following the seminal paper written by Hairer (2005) on the ergodicity of fractional SDE (see also Fontbona-Panloup (2017) and Deya-Panloup-Tindel (2019)), we first build a Markovian structure above the dynamics, we show existence and uniqueness of the invariant distribution and then we exhibit some upper-bounds on the rate of convergence to equilibrium in terms of the asymptotic behavior of the covariance function of the Gaussian noise (or more precisely, of the asymptotic behavior of the coefficients appearing in its moving average representation). The second chapter establishes long-time concentration inequalities both for functionals of the whole solution on an interval [0,T] of an additive fractional SDE and for functionals of discrete-time observations of this process. Then, we apply this general result to specific functionals related to discrete and continuous-time occupation measures of the process. The last chapter, which uses the results developed in Chapter 2, is a joint work with Panloup and Tindel which focuses on the parametric estimation of the (non-linear) drift term in an additive fractional SDE. We use a minimum contrast estimation based on the identification of the invariant distribution (for which we build an approximation from discrete-time observations of the SDE). We provide consistency results as well as non-asymptotic estimates of the corresponding quadratic error. Some of our results are illustrating through numerical discussions. We also give some examples for which the identifiability condition related to our estimation procedure (intrinsically linked to the invariant distribution) is fulfilled
Senneret, Marc. "Chaos et ergodicité pour une famille de modèles de neurones." Paris 7, 2007. http://www.theses.fr/2007PA077078.
Full textThis thesis present a mathematical analysis of models of neuronal activity. In a first part, we present the main results concerning the biology of neurons. We analyse two of the most used models of neuron, the Hodgkin-Huxley model and the FitzHugh-Nagumo model. . By a Poincaré section method, we make a simplier model, piece-wise linear, which keep the main features of excitability. We then study numericaly and analyticaly the dynamic of two coupled neurons, modeled by the precedent one. The second part is dedicated to the rigourous demonstration of the existence of invariant measures of SRB type for piece-wise affine maps of Rn, like our latter model. We use for this a method based on Frobenus-Perron operator and the inegality of Lasota-Yorke ; These results give the rigourous fondations for the results of the first part
Franchi, Guillaume. "Modélisation dynamique de données d’abondance en écologie." Electronic Thesis or Diss., Rennes, École Nationale de la Statistique et de l'Analyse de l'Information, 2024. https://genes.bibli.fr/index.php?lvl=notice_display&id=179081.
Full textIn this manuscript, we focus on the modeling of the dynamic of abundance time series in ecology, especially relative abundance processes and absence-presence processes. To do so, we develop in this dissertation general construction methods of stationary and ergodic processes valued in a compact space, such as the simplex and {0,1}^k, k ∈N^*. A particular attention is paid to the interpretation of the parameters of these models.Statistical inference of these parameters is challenging due to the non-linearity of such multivariate models, and the non-convexity of the log-likelihood. We introduce pseudo-likelihood or composite-likelihood methods that are sufficiently accurate and easily optimisable. Consistency results are also provided in the panel data framework, based on ergodic theorems for multi-index processes.We finally present a specific modeling for relative abundance data in a HMM framework, where the parameters estimation is performed through an expectation-maximization strategy, which requires the construction of particle filters
LOUIS, Pierre-Yves. "Automates Cellulaires Probabilistes : mesures stationnaires, mesures de Gibbs associées et ergodicité." Phd thesis, Université des Sciences et Technologie de Lille - Lille I, 2002. http://tel.archives-ouvertes.fr/tel-00002203.
Full textLe, Masson Etienne. "Ergodicité et fonctions propres du laplacien sur les grands graphes réguliers." Phd thesis, Université Paris Sud - Paris XI, 2013. http://tel.archives-ouvertes.fr/tel-00866843.
Full textMarco, Jonathan. "Systèmes dynamiques en mesure infinie : ergodicité de cocycles : application au billard." Rennes 1, 2010. http://www.theses.fr/2010REN1S212.
Full textSkew-products obtained as extensions of dynamical systems by cocycles appear naturally in the study of billiards in the plane with periodically distributed obstacles. We present three aspects of the study of skew-products. The first part deals with specific examples. First, following W. Veech, M. Guenais and F. Parreau, we study a cohomological functional equation related to the ergodicity of the billiard transformation in the torus with a barrier. The second example is the extension of bounded partial quotients rotations. Especially we give in connection with a paper of G. Greschonig an example of an ergodic skew-product whose cocycle takes values in a nilpotent group. In a second part, we discuss billiards with rectangular obstacles. We present the corresponding quotient billiard transformation in the torus, recalling the link with translation surfaces, interval exchange transformations, and results on unique ergodicity. Then we discuss the special case of a cylinder with periodic obstacles consisiting of segments, for which one can show recurrence in some cases. The billiard flow in the plane with rectangualr obstacles is also considered for certain directions. In a third independent part, we present a general theorem on the ergodic decomposition for skew-products, generalizing the case of a single transformation to the action of a countable group
Louis, Pierre-Yves. "Automates cellulaires probabilistes : mesures stationnaires, mesures de Gibbs associées et ergodicité." Lille 1, 2002. https://pepite-depot.univ-lille.fr/LIBRE/Th_Num/2002/50376-2002-12-5-6.pdf.
Full textObata, Davi dos Anjos. "Ergodicité stable et mesures physiques pour des systèmes dynamiques faiblement hyperboliques." Thesis, Université Paris-Saclay (ComUE), 2019. http://www.theses.fr/2019SACLS488/document.
Full textIn this thesis we study the following topics:-stable ergodicity for conservative systems;-genericity of the existence of positive exponents for some skew products with two dimensional fibers;-rigidity of $u$-Gibbs measure for certain partially hyperbolic systems;-robust transitivity.We give a proof of stable ergodicity for a certain partially hyperbolic system without using accessibility. This system was introduced by Pierre Berger and Pablo Carrasco, and it has the following properties: it has a two dimensional center direction; it is non-uniformly hyperbolic having both a positive and a negative exponent along the center for almost every point, and the Oseledets decomposition is not dominated.In a different work, we find criteria of stable ergodicity for systems with a dominated splitting. In particular, we explore the notion of chain-hyperbolicity introduced by Sylvain Crovisier and Enrique Pujals. With this notion we give explicit criteria of stable ergodicity, and we give some applications.In a joint work with Mauricio Poletti, we prove that the random product of conservative surface diffeomorphisms generically has a region with positive exponents. Our results also hold for more general skew products.We also study dissipative perturbations of the Berger-Carrasco example. We classify all the $u$-Gibbs measures that may appear inside a neighborhood of the example. In this neighborhood, we prove that any $u$-Gibbs measure is either the unique SRB measure of the system or it has atomic disintegration along the center foliation. In a joint work with Pablo Carrasco, we prove that this example is robustly transitive (indeed robustly topologically mixing)
Books on the topic "Ergodicité"
Prato, Giuseppe Da. Ergodicity for infinite dimensional systems. Cambridge: Cambridge University Press, 1996.
Find full textZhang, Chuanyi. Almost Periodic Type Functions and Ergodicity. Dordrecht: Springer Netherlands, 2003. http://dx.doi.org/10.1007/978-94-007-1073-3.
Full textRoblin, Thomas. Ergodicité et équidistribution en courbure négative. Paris, France: Société Mathématique de France, 2003.
Find full textAmerio, Luigi, and B. Segre, eds. Sistemi dinamici e teoremi ergodici. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-10945-4.
Full textB, Segre, and SpringerLink (Online service), eds. Sistemi dinamici e teoremi ergodici. Berlin, Heidelberg: Springer-Verlag Berlin Heidelberg, 2011.
Find full textMitkowski, Paweł J. Mathematical Structures of Ergodicity and Chaos in Population Dynamics. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-57678-3.
Full textM, Bardi, ed. Ergodicity, stabilization, and singular perturbations for Bellman-Isaacs equations. Providence, R.I: American Mathematical Society, 2010.
Find full textField, Mike. Ergodic theory of equivariant diffeomorphisms: Markov partitions and stable ergodicity. Providence, R.I: American Mathematical Society, 2004.
Find full textMuntean, Adrian, Jens Rademacher, and Antonios Zagaris, eds. Macroscopic and Large Scale Phenomena: Coarse Graining, Mean Field Limits and Ergodicity. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-26883-5.
Full textBook chapters on the topic "Ergodicité"
Nadkarni, M. G. "Ergodicity." In Basic Ergodic Theory, 33–42. Basel: Birkhäuser Basel, 1995. http://dx.doi.org/10.1007/978-3-0348-8839-4_3.
Full textMeyn, Sean P., and Richard L. Tweedie. "Ergodicity." In Markov Chains and Stochastic Stability, 309–29. London: Springer London, 1993. http://dx.doi.org/10.1007/978-1-4471-3267-7_13.
Full textNadkarni, M. G. "Ergodicity." In Texts and Readings in Mathematics, 34–43. Gurgaon: Hindustan Book Agency, 2013. http://dx.doi.org/10.1007/978-93-86279-53-8_3.
Full textYin, G. George, and Chao Zhu. "Ergodicity." In Stochastic Modelling and Applied Probability, 111–34. New York, NY: Springer New York, 2009. http://dx.doi.org/10.1007/978-1-4419-1105-6_4.
Full textMañé, Ricardo. "Ergodicity." In Ergodic Theory and Differentiable Dynamics, 89–165. Berlin, Heidelberg: Springer Berlin Heidelberg, 1987. http://dx.doi.org/10.1007/978-3-642-70335-5_3.
Full textRomano, M. Carmen, and Ian Stansfield. "Ergodicity." In Encyclopedia of Systems Biology, 674. New York, NY: Springer New York, 2013. http://dx.doi.org/10.1007/978-1-4419-9863-7_1279.
Full textAliprantis, Charalambos D., and Kim C. Border. "Ergodicity." In Infinite Dimensional Analysis, 621–33. Berlin, Heidelberg: Springer Berlin Heidelberg, 1999. http://dx.doi.org/10.1007/978-3-662-03961-8_19.
Full textLochak, Pierre, and Claude Meunier. "Ergodicity." In Applied Mathematical Sciences, 11–24. New York, NY: Springer New York, 1988. http://dx.doi.org/10.1007/978-1-4612-1044-3_2.
Full textLevy, Bernard C. "Ergodicity." In Random Processes with Applications to Circuits and Communications, 311–29. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-22297-0_9.
Full textAliprantis, Charalambos D., and Kim C. Border. "Ergodicity." In Studies in Economic Theory, 554–66. Berlin, Heidelberg: Springer Berlin Heidelberg, 1994. http://dx.doi.org/10.1007/978-3-662-03004-2_16.
Full textConference papers on the topic "Ergodicité"
Temmen, Finn, Evan Berkowitz, Anthony D. Kennedy, Thomas Luu, Johann Ostmeyer, and Xinhao Yu. "Overcoming Ergodicity Problems of the Hybrid Monte Carlo Method using Radial Updates." In The 41st International Symposium on Lattice Field Theory, 068. Trieste, Italy: Sissa Medialab, 2024. https://doi.org/10.22323/1.466.0068.
Full textMasarati, Pierangelo, Denis Franzoni, and Giorgio Guglieri. "A Time-Frequency Domain Approach for PIO/PAO Detection and Analysis." In Vertical Flight Society 72nd Annual Forum & Technology Display, 1–13. The Vertical Flight Society, 2016. http://dx.doi.org/10.4050/f-0072-2016-11503.
Full textToffoli, Tommaso, and Lev B. Levitin. "Specific ergodicity." In the 2nd conference. New York, New York, USA: ACM Press, 2005. http://dx.doi.org/10.1145/1062261.1062272.
Full textBolouki, Sadegh, and Roland P. Malhame. "Ergodicity and class-ergodicity of balanced asymmetric stochastic chains." In 2013 European Control Conference (ECC). IEEE, 2013. http://dx.doi.org/10.23919/ecc.2013.6669845.
Full textKabir, Rabiul Hasan, and Kooktae Lee. "On the Ergodicity of an Autonomous Robot for Efficient Environment Explorations." In ASME 2020 Dynamic Systems and Control Conference. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/dscc2020-3241.
Full textSloan, John H., Dimetri Kusnezov, and Aurel Bulgac. "Chaos → ergodicity → isothermal dynamics." In Computational quantum physics. AIP, 1992. http://dx.doi.org/10.1063/1.42602.
Full textDrager, L., and C. Martin. "Relations between ergodicity and observability." In 1985 24th IEEE Conference on Decision and Control. IEEE, 1985. http://dx.doi.org/10.1109/cdc.1985.268659.
Full textKAIMANOVICH, VADIM A. "ERGODICITY OF THE HOROCYCLE FLOW." In Proceedings of the Conference in Honor of Gerard Rauzy on His 60th Birthday. WORLD SCIENTIFIC, 2000. http://dx.doi.org/10.1142/9789812793829_0025.
Full textSarig, Omri M. "Unique Ergodicity for Infinite Measures." In Proceedings of the International Congress of Mathematicians 2010 (ICM 2010). Published by Hindustan Book Agency (HBA), India. WSPC Distribute for All Markets Except in India, 2011. http://dx.doi.org/10.1142/9789814324359_0121.
Full textBolouki, Sadegh, and Roland P. Malhame. "Theorems about ergodicity and class-ergodicity of chains with applications in known consensus models." In 2012 50th Annual Allerton Conference on Communication, Control, and Computing (Allerton). IEEE, 2012. http://dx.doi.org/10.1109/allerton.2012.6483385.
Full textReports on the topic "Ergodicité"
Farmer, Roger, and Jean-Philippe Bouchaud. Self-Fulfilling Prophecies, Quasi Non-Ergodicity & Wealth Inequality. Cambridge, MA: National Bureau of Economic Research, December 2020. http://dx.doi.org/10.3386/w28261.
Full textGeorgiadis, L., and P. Papantoni-Kazakos. Ergodicity and Steady-State-Equilibrium Conditions for Markov Chains. Fort Belvoir, VA: Defense Technical Information Center, January 1985. http://dx.doi.org/10.21236/ada151038.
Full textMichels, James H. Synthesis of Multichannel Autoregressive Random Processes and Ergodicity Considerations. Fort Belvoir, VA: Defense Technical Information Center, July 1990. http://dx.doi.org/10.21236/ada226493.
Full textFrancesco, Caravelli, Zhu Ruomin, Baccetti Valentina, and Kuncic Zdenka. Ergodicity, lack thereof, and the performance of reservoir computing with memristive networks and nanowire. Office of Scientific and Technical Information (OSTI), September 2023. http://dx.doi.org/10.2172/2386906.
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