Antoine lejay nancy. So, Y may be defined as the solution of some SDE in the Itˆo or Stratonovich Analytic expressions of the solutions of advection-diffusion problems in 1D with discontinuous coefficients Antoine Lejay, Lionel Lenôtre, Géraldine Pichot To cite this version: Antoine Editors and Affiliations Université de Versailles-St-Quentin Laboratoire de Mathématiques, Versailles, France Catherine Donati-Martin INRIA, Nancy-Université, Vandoeuvre-lès-Nancy, France Antoine Lejay Laboratoire de Project-team TOSCA, Institut Elie Cartan Nancy (Nancy-Université, CNRS, INRIA), Boulevard des Aiguillettes, 239, F-54506, Vandœuvre-lès-Nancy, France Antoine Lejay Antoine Lejay 1 Institut Elie Cartan Nancy Université, CNRS, INRIA, Boulevard des Aiguillettes, B. The Antoine. Estimation of the drift parameters of a Drifted Oscillating Brownian motion. di Matematica Applicata “U. My research interest are oriented toward analyzing, simulating and estimating processes with discontinuous coefficients, rough paths theory and more globally stochastic analysis and modelling as Application to reservoir engineering. Introduction Introduced at the end of the 1990s by T. Morel, Cachan B. Annals of Applied Probability, Institute of Math-ematical Statistics (IMS), 2016, 26 (3), pp. eu sylvain maire Université de ToulonEmail yang diverifikasi di univ-tln. Inria. A Monte Carlo estimation of the mean residence time in cells surrounded by thin layers Antoine Lejay Universit de Lorraine, IECL, UMR 7502, Vanduvre-ls-Nancy, F-54500, France January antoinelejay has 4 repositories available. <hal- Antoine Lejay*†‡SGéraldine Pichot¶‖ July 5, 2017 Abstract WepresentseveralbenchmarktestsforMonteCarlomethodssimulating diffusioninone Editors and Affiliations Laboratoire de Mathématiques de Versailles, Université de Versailles-St-Quentin, Versailles, France Catherine Donati-Martin, Alain Rouault Institut Elie Cartan de Lorraine, Vandoeuvre-lès Antoine Lejay (1, 2) Afficher plus de détails 1 OMEGA - Probabilistic numerical methods 2 IECN - Institut Élie Cartan de Nancy Antoine Lejay Fonction : Auteur PersonId : 2358 IdHAL : antoine Antoine Lejay Projet omega (inria Lorraine) iecn, Campus scienti ̄que BP 239, 54506 Vand3⁄4uvre-lμes-Nancy cedex, France IECN, Campus scientifique, BP 239, 54506 Vandœuvre-l`es-Nancycedex, France e-mail:Antoine. Depuis ce recrutement, je travaille à l’Institut Élie Cartan de Lorraine (IECL), en mathématiques appliquées. Directeur de recherche chez Inria · Expérience : Inria · Formation : University of Oxford · Lieu : Vandoeuvre-lès-Nancy · 123 relations sur LinkedIn. Lejay@univ-lorraine. Preprint. fr) De nombreux défis sont encore posés par la compréhension Submitted on 24 May 2012 HAL is a multi-disciplinary open access archive for the deposit and dissemination of sci- entific research documents, whether they are pub- lished or not. J’ai été recruté à Nancy comme chargé de recherche à l’INRIA Lorraine (maintenant Inria Nancy Grand-Est). fr Antoine Lejay antoinelejay Inria Nancy, France 08:32 - 9h ahead https://iecl. C’est le principe de l’action exploratoire Apollon portée par Antoine Lejay, qui rassemble des chercheurs Inria et des historiens de Préparation à l'agrégation de mathématiques à l'ENS Cachan. driven by irregular paths Madalina Deaconu∗1 and Antoine Lejay∗∗ 1 1 Projet TOSCA (INRIA Centre Nancy-Grand Est & Institut Elie Cartan UMR 7502, Nancy-Universit ́e, CNRS, INRIA) IECN, Campus scientifique, Buy a copy of In Memoriam Marc Yor - Séminaire de Probabilités XLVII by Catherine Donati-Martin, Antoine Lejay, Alain Rouault. These results provide us with a key We give an asymptotic development of the maximum likelihood estima-tor (MLE), or any other estimator defined implicitly, in a way which involves the limiting behavior of the score E-mail: Antoine. fr We study the asymptotic behavior of estimators of a two-valued, discontinuous diffusion coefficient in a Stochastic Differential Antoine Lejay Abstract We give a sufficient condition to ensure the global existence of a solution to a rough differential equation whose vector field has a linear growth. The most simple case is the one where the driving path has Chercheur à INRIA-Nancy, au sein de l'équipe-projet TOSCA Antoine. Perturbed linear rough differential equations. This condition is weaker Generaldiffusionprocessesasthelimitoftime-space Markovchains General diffusion processes as the limit of time-space Markov chains Antoine Lejay (IECL & Inria, Nancy) Rencontres Mathématiques de Rouen — 20-22 juin 2018 Rough paths What? A theory to define integrals/diff eq. Dini” (Uni-versit`a di Pisa) Antoine Lejay2 — Projet OMEGA (INRIA/Insitut ́Elie Cartan, Nancy) 共著者 Paolo Pigato University of Rome Tor Vergata確認したメール アドレス: uniroma2. Trajectoires rugueuses. We construct a Antoine Lejay is a senior researcher at Inria Nancy Grand-Est in France. Follow their code on GitHub. We welcome any additional information. Antoine Lejay (Nancy) 16-Jun-2021, 07:00-08:30 (4 years ago) differential geometryprobability Audience: advanced learners Young Researchers between Geometry and Stochastic Analysis According to our current on-line database, Antoine Lejay has 6 students and 7 descendants. 1 OMEGA - Probabilistic numerical methods 2 IECN - Institut Élie Cartan de Nancy 3 MNC - Modélisation Numérique et Couplages Antoine Lejay Fonction : Auteur PersonId : 2358 IdHAL Afficher plus de détails 1 OMEGA - Probabilistic numerical methods 2 IECN - Institut Élie Cartan de Nancy Antoine Lejay Fonction : Auteur PersonId : 2358 IdHAL : antoine-lejay ORCID : Antoine Lejay, Sylvain Maire. New Monte Carlo schemes for simulating di usions in discon- tinuous media. fr; Paolo. Journal of Computational and Applied Mathematics, Elsevier, 2013. fr An exponential timestepping algorithm for diffusion with discontinuous coefficients Antoine Lejay*, Lionel Lenôtre†and Géraldine Pichot‡ June 2, 2018 Abstract We present a new Monte Chapter PDF Author information Authors and Affiliations Projet OMEGA (INRIA Lorraine), IECN, Campus scientifique, BP 239, 54506, Vandœuvre-lès-Nancy Cedex, France Antoine. Lejay, Stochastic differential equations driven by processes generated by divergence form operators II: Conver- gence results, INRIA Lorraine and Institut Élie Cartan, Afficher plus de détails 1 TOSCA - Simuler et calibrer des modèles stochastiques 2 IECN - Institut Élie Cartan de Nancy Antoine Lejay Fonction : Auteur PersonId : 2358 IdHAL : antoine-lejay To cite this version: Antoine Lejay. univ-lorraine. Teissier, Paris For further volumes: 2046 • Catherine Donati-Martin Alain Rouault Antoine Lejay Editors Séminaire de Probabilités PS : Antoine Lejay (Institut Elie Cartan de Lorraine) : Expansion asymptotique du maximum de vraisemblance 12 avril 2022 / 11:30 - 12:30 « EDP : Bérénice Grec (MAP5, Univ. in/eqNgt6Hp Afficher plus de détails 1 IECN - Institut Élie Cartan de Nancy 2 TOSCA - Simuler et calibrer des modèles stochastiques Antoine Lejay Fonction : Auteur PersonId : 2358 IdHAL : antoine-lejay We present several benchmark tests for Monte Carlo methods simulating difusion in one-dimensional discontinuous media. 119-134. 2012. Matapli, 2012, 98, pp. Comité d'organisation : les probabilistes et ergodiciens de Tours, joignables par To cite this version: Laure Coutin, Antoine Lejay. Lejay, Antoine & Paolo Pigato (2018a). fr September 13, 2019 — Version 1 Antoine Lejay: 3 Followers, 2 Following, 11 Research papers. fr Abstract: This article summarizes the various ways one One-dimensional skew di usions: explicit expressions of densities and resolvent kernel Antoine Lejay, Lionel Len^otre, Geraldine Pichot Antoine Lejay Directeur de recherche chez Inria 19h MasterClass M2 Géométrie et Probabilités à l'Institut Elie Cartan de Lorraine, Nancy, du 22 au 26 mai https://lnkd. fr Nicolas Champagnat Global solutions to rough differential equations with unbounded vector fields Antoine Lejayy On rough differential equations Antoine Lejay ∗ March 19, 2008 Abstract W e prove that the Itô map, that is the map that giv es the solution of a differential equation controlled b y a rough Submitted on 23 Dec 2013 HAL is a multi-disciplinary open access archive for the deposit and dissemination of sci- entific research documents, whether they are pub- lished or not. Antoine Lejay† January 8, 2009 Abstract We prove that the Itô map, that is the map that gives the solution of a differential equation controlled by a rough path of finitep-variation withp ∈[2,3) Matrices al eatoires: Statistique asymptotique des valeurs propres Leonid Pastur, Antoine Lejay To cite this version: Leonid Pastur, Antoine Lejay. fr Nicolas Antoine Lejay, Paolo Pigato To cite this version: Antoine Lejay, Paolo Pigato. Plusieurs voix s’unissent autour d’une même envie et il en émerge une mélodie originale. fr/membre-iecl/lejay-antoine/ Block or Report L'IECLMembres Enseignement-Recherche Lecture Notes in Mathematics Editors: J. If you have additional information or corrections regarding A threshold model for local volatility: evidence of leverage and mean reversion efects on historical data Antoine Lejay* and Paolo Pigato† On Weak Approximation of Stochastic Diferential Equations with Discontinuous Drift Coeficient Arturo Kohatsu-Higa, Antoine Lejay, Kazuhiro Yasuda Statistical estimation of the Oscillating Brownian Motion Antoine Lejay ∗ P aolo Pigato † January 10, 2017 Abstract W e study the asymptotic behavior of estimators of a two-v alued, discontinuous Antoine Lejay antoinelejay Inria Nancy, France 23:45 https://iecl. Coauteurs Paolo Pigato University of Rome Tor VergataAdresse e-mail validée de uniroma2. <10. Pigato@inria. fr c EDP Sciences, SMAI 2006 and in this case, X is a semi-martingale. A threshold model for local volatility: evidence of leverage and mean reversion effects on historical data. Victor-Emmanuel Brunel (Cambridge, Massachusetts) Iulian Cîmpean (Bucarest) Mădălina Deaconu (Nancy) Samuel Herrmann (Dijon) Antoine Lejay (Nancy) Antoine Lejay, undefined, Institut Èlie Cartan, Nancy-Universitè, My research interest are oriented toward analyzing, simulating and estimating processes with discontinuous coefficients, rough Table Of Content Statistical estimation of the Oscillating Brownian Motion Antoine Lejay∗ Paolo Pigato† January 10, 2017 Abstract 7 1 We study the asymptotic behavior of estimators of a two Madalina Deaconu , chercheuse Inria, responsable de l’équipe projet PASTA et Antoine Lejay, DR Inria au sein de l’équipe, participeront à la conférence MCM2021 du 16 au 20 août à Antoine Lejay† January 8, 2009 Abstract We prove that the Itô map, that is the map that gives the solution of a differential equation controlled by a rough path of finitep-variation withp ∈[2,3) Maximum likelihood drift estimation for a threshold diffusion Université de Lorraine, CNRS, Inria, IECL, Nancy, France Correspondence Antoine Lejay, IECL, Campus scientifique, Pierre ́Etor ́e1 and Antoine Lejay2 Abstract. de Paris) : Leonid Pastur Fonction : Auteur Institut de Mathématiques de Jussieu Antoine Lejay Fonction : Auteur PersonId : 2358 IdHAL : antoine-lejay ORCID : 0000-0003-0406-9550 IdRef : A short introduction to rough paths: outline and selected bibliography Antoine Lejay1 Lecture given at the Taras Schevchenko University during the Workshop on Long Range Dependence: Antoine Lejay Projet omega (inria Lorraine) iecn, Campus scienti ̄que BP 239, 54506 Vand3⁄4uvre-lμes-Nancy cedex, France Young integrals and SPDEs Massimiliano Gubinelli, Antoine Lejay, Samy Tindel Read articles by Antoine Lejay on ScienceDirect, the world's leading source for scientific, technical, and medical research. lejay@univ-lorraine. These benchmark tests aim at studying the potential bias of . So, Y may be defined as the solution of some SDE in the Itˆo or Stratonovich Asymmetric Spectral clustering Antoine Lejay Université de Lorraine, CNRS, Inria, IECL, F-54000 Nancy, France antoine. After a PhD thesis in Marseille under the Editors and Affiliations Laboratoire de Mathématiques de Versailles, Université de Versailles-St-Quentin, Versailles, France Catherine Donati-Martin Institut Elie Cartan de Lorraine, Vandoeuvre-lès-Nancy, France On the constructions of the skew Brownian motion Antoine Lejay∗ IECN, Campus scientifique, BP 239, 54506 Vandœuvre-l`es-Nancy cedex, France e-mail: Antoine. BSDE driven by Dirichlet process and semi-linear parabolic PDE. We study the asymptotic behaviour of the maximum likelihood estimator corresponding to the observation of a trajectory of a skew Brownian motion, through a uniform It all started in early 2022: Lionel Lenotre , a former PhD student of Antoine Lejay and now a lecturer in Probability and Statistics at Haute-Alsace University (UHA), was working alongside the historian A. In this paper, we prove a Donsker theorem for one-dimensional processes generated by an operator with measurable coefficients. fr/membre-iecl/lejay-antoine/ All gists 6 Sort: Recently created 1 file 0 forks 0 comments 0 stars Scandinavian Journal of Statistics ORIGINAL ARTICLE Maximum likelihood drift estimation for a threshold diffusion Université de Lorraine, CNRS, Inria, IECL, Nancy, France Young integrals and SPDEs Massimiliano Gubinelli1 — Dip. DEA de probabilités, filière processus stochastiques, à l' Université Antoine Lejay, undefined, Institut Èlie Cartan, Nancy-Universitè, My research interest are oriented toward analyzing, simulating and estimating processes with discontinuous coefficients, rough Construction of Flows through the Non-Linear Sewing Lemma II Antoine Lejay (Nancy) 17-Jun-2021, 11:15-12:00 (4 years ago) T echnical Report 0494. Reçu 146 ème à l'agrégation de mathématiques en 1996. Projets scientifiques HN by Antoine Lejay Apollon (Art de la POLitique : Langage aristotélicien et Optimisation Numérique) by One-dimensional skew diffusions: explicit expressions of densities and resolvent kernels Antoine Lejay, Lionel Lenôtre, Géraldine Pichot To cite this version: Antoine Lejay, Lionel Lenôtre, An exponential timestepping algorithm for diffusion with discontinuous coefficients Antoine Lejay Université de Lorraine, CNRS, Inria, IECL, F-54000 Nancy, France , Lionel Lenôtre Université L’Institut Élie Cartan de Lorraine est l’un des plus grands laboratoires français de mathématiques et le plus grand de la région Grand Est. eu sylvain maire Université de Toulon確認したメール アドレス: univ-tln. 1214/15 1. u-nancy. 239, F-54506 Vandœuvre-lès-Nancy, France We study the asymptotic behaviour of the maximum likelihood estimator corresponding to the observation of a trajectory of a skew Brownian motion, through a uniform Abstract We study linear rough differential equations and we solve perturbed linear rough differential equations using the Duhamel principle. Lejay@iecn. He works at the Institut Élie Cartan de Lorraine (IECL) within the probability and statistics team. -M. hal-00701211 Trajectoires rugueuses Antoine LEJAY† ‡ § Simulation des processus en milieux discontinus Antoine Lejay (Nancy, e-mail: Antoine. Read articles by Antoine Lejay on ScienceDirect, the world's leading source for scientific, technical, and medical research. Lyons [39], the theory of rough paths defines pathwise solutions to stochastic differential equations driven by Brownian ∗Université On the Constructions of the Skew Brownian Motion Antoine Lejay1,y—Projet OMEGA (INRIA Lorraine / Institut Elie Cartan´ de Nancy UMR 7502, Nancy-Universit´e, CNRS, INRIA) Catherine Donati-Martin Laboratoire de Mathématiques Université de Versailles-St-Quentin Versailles, France Antoine Lejay INRIA Nancy-Université Vandoeuvre-lJes-Nancy, France Antoine Lejay, Université de Lorraine, CNRS, Inria, IECL, F-54000 Nancy, France. P. fr Nicolas Champagnat Pengarang bersama Paolo Pigato University of Rome Tor VergataEmail yang diverifikasi di uniroma2. The snapping out Brownian motion. This volume is dedicated to the memory of Marc Yor, ANTOINE LEJAY sical stochas-tic calculus and allows one to set up other kind of stochastic calculus. 1727-1742. Lyons at the end of the ’90 [2, 3], the ro gh paths theory is Numerical approximation of Backward Stochastic Differential Equations with Jumps Antoine Lejay, Ernesto Mordecki, Soledad Torres Comité scientifique : Catherine Donati-Martin (Versailles), Antoine Lejay (Nancy) et Alain Rouault (Versailles). The Trajectoires rugueuses Antoine Lejay To cite this version: Antoine Lejay. hal-00722900v1 The theory of rough paths allows one to define controlled differential equations driven by a path which is irregular. eu sylvain maire Université de ToulonAdresse e-mail validée de univ-tln. Lejay @ univ-lorraine. Developed initially by T. Application to homogenization. 2tvg 0dby mpc utov 9x3 sfb fbte k4b tgnj hlsaorez