Academic literature on the topic 'Semi-groupe'
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Journal articles on the topic "Semi-groupe"
J.C., Gruet. "Semi-groupe du mouvement brownienhyperbolique." Stochastics and Stochastic Reports 56, no. 1-2 (February 1996): 53–61. http://dx.doi.org/10.1080/17442509608834035.
Full textCozar, Lionel. "Le semi-groupe libre des carrés magiques." Journal de Théorie des Nombres de Bordeaux 8, no. 1 (1996): 243–49. http://dx.doi.org/10.5802/jtnb.167.
Full textBoulanouar, Mohamed. "L’OPÉRATEUR D’ADVECTION. I. EXISTENCE D’UNC0-SEMI-GROUPE." Transport Theory and Statistical Physics 31, no. 2 (May 21, 2002): 169–76. http://dx.doi.org/10.1081/tt-120003973.
Full textKlein, Thierry, Xavier Blase, Christophe Marcenat, Claude Chapelier, and Étienne Bustarret. "Les semi-conducteurs supraconducteurs du groupe IV." Reflets de la physique, no. 33 (March 2013): 4. http://dx.doi.org/10.1051/refdp/201333004.
Full textBuchwalter, Henri. "Formes quadratiques sur un semi-groupe involutif." Mathematische Annalen 271, no. 4 (December 1985): 619–39. http://dx.doi.org/10.1007/bf01456137.
Full textLi, Hong-Quan. "Estimation optimale du gradient du semi-groupe de la chaleur sur le groupe de Heisenberg." Journal of Functional Analysis 236, no. 2 (July 2006): 369–94. http://dx.doi.org/10.1016/j.jfa.2006.02.016.
Full textFathi, Albert. "Sur la convergence du semi-groupe de Lax-Oleinik." Comptes Rendus de l'Académie des Sciences - Series I - Mathematics 327, no. 3 (August 1998): 267–70. http://dx.doi.org/10.1016/s0764-4442(98)80144-4.
Full textKoufany, Khalid. "Semi-groupe de Lie associé à un cône symétrique." Annales de l’institut Fourier 45, no. 1 (1995): 1–29. http://dx.doi.org/10.5802/aif.1446.
Full textRémond, Gaël. "Action de groupe et semi-stabilité du produit tensoriel." Confluentes Mathematici 11, no. 1 (August 27, 2019): 53–57. http://dx.doi.org/10.5802/cml.55.
Full textViens, Sarah, Marc Tourigny, Fabienne Lagueux, and Loméga Étienne. "Évaluation des effets d’une thérapie de groupe pour adolescents auteurs d’agressions sexuelles." Criminologie 45, no. 1 (March 19, 2012): 243–70. http://dx.doi.org/10.7202/1008384ar.
Full textDissertations / Theses on the topic "Semi-groupe"
Laadnani, Idriss. "Approximation du semi-groupe de Dirichlet-Neumann." Poitiers, 2005. http://www.theses.fr/2005POIT2333.
Full textIn this thesis we consider the Dirichet-Neumann operator lambda-gamma which, to every datum f on the edge of a bounded smooth domain D, associates a current flux across a boundary, where represent a normal derivative of solution of the electrical conductivity equation. We show that lambda-gamma generates a semigroup S (t) analytic, compact, irreducible of Markov and contractive. We study the asymptotic behaviour of this semigroup in a space of continuous functions. Then, by a generalization of the Lax semigroup, we define the family of operators V (t) which converges in the sense of Chernoff to S (t). We show the compactness and regularizing characters of V (t). Finally, we present numerical results on the eigenvalues of lambda-gamma by methods of Prony and "Matrix Pencil"
Cherif, Mohamed Amine. "Sur l'approximation rationnelle pour le semi-groupe de transport." Poitiers, 2010. http://theses.edel.univ-poitiers.fr/2010/Cherif-Mohamed-Amine/2010-Cherif-Mohamed-Amine-These.pdf.
Full textIn this thesis we mix the rational approximation procedure, which is a time approximation with approximation in the sense of Kato, which is a space approximation for neutron transport equation. We apply this procedure for explicit and implicit Euler, Crank-Nicolson and Predictor-Corrector schemes which have the rate 1,2 and 3 in the sense of rational approximation. By using Cherno's Theorem, we prove the convergence and we construct also the numerical illustration for justifying the above rate of convergence. In the last chapter, we give some generalization of Schauder and Krasnoselskii fixed point theorems in Dunford-Pettis Frechet spaces and which based on the notion of weakly compactness and U-equicontraction
Koufany, Khalid. "Semi-groupe de Lie associé à une algèbre de Jordan euclidienne." Nancy 1, 1993. http://docnum.univ-lorraine.fr/public/SCD_T_1993_0172_KOUFANY.pdf.
Full textMokhtari, Abdelkader. "Distance entre éléments d'un semi-groupe continu dans une algèbre de Banach." Grenoble 2 : ANRT, 1988. http://catalogue.bnf.fr/ark:/12148/cb37616621n.
Full textMokhtari, Abdelkader. "Distance entre éléments d'un semi-groupe continu dans une algèbre de Banach." Bordeaux 1, 1988. http://www.theses.fr/1988BOR10528.
Full textAuleley, Michel. "Conception et calcul d’amortisseurs vibratoires semi-actifs pour groupe moto-propulseur automobile." Thesis, Paris, HESAM, 2020. http://www.theses.fr/2020HESAE043.
Full textFor some decades automotive manufacturers are being evermore environmentally awake by reducing fuelconsumption in order to decrease the CO₂ emissions. In this context automotive vehicle performances keeps onprogressing in term of power, nevertheless there is an amplification of torsional vibrations coming fromirregular torques of the internal combustion engine or contacts between gears of the reducer and/or the gearboxfor any kind of powertrain. Several means enable the mitigation of these vibrations are applied in thepowertrain. For example, the dual mass flywheel or the centrifugal pendulum absorber which are based on theprinciple of the dynamic vibration absorber respectively tuned to a frequency and an acyclic order. To operateefficiently these dampers, the accuracy of the tuning is important. This is why we want to design a damperprototype more adjustable than the previous ones. This thesis aims to design a damper prototype based on anelectric circuit. The damper used here is an electromagnetic shunt which enables the coupling between thevibrating structure and an electric circuit. The components of this circuit are chosen in order to imitate thebehaviour of mechanical dampers, in particular the centrifugal pendulum absorber but without non-linearitiesintrinsic from the latter. Some applications of the electromagnetic shunt on a structure in forced vibration showpromising results for the integration of such an absorber in a powertrain
Samoyeau, Valentin. "Autour des inégalités de dispersion via le semi-groupe de la chaleur." Nantes, 2016. https://archive.bu.univ-nantes.fr/pollux/show/show?id=e927d110-51ec-469a-b3ce-39c664e925fa.
Full textIn this PhD thesis, we are interested in properties of a heat semigroup that ensure to recover Strichartz estimates in a general framework. More precisely, we consider a metric space with a doubling measure, equipped with a nonnegative self-adjoint operator generating a semigroup. The semigroup is said to be a heat semigroup since we assume that it satisfies typical Gaussian and Davies-Gaffney estimates. Firstly we define Hardy and BMO spaces associated with the semigroup and prove that we can interpolate with the usual Lebesgue spaces. By an adaptation of the classical tools of Littlewood-Paley theory to the heat semigroup setting, we show Lp − Lp’ destimates for p ϵ ((1, 2) and Strichartz inequalities from a H1 − BMO dispersive estimate. We then prove that this estimate can be reduced to microlocalized L2 − L2 one. A study of the dispersive phenomena for the wave propagator according to the region of the light cone allows to prove those L2 − L2 estimates. The different results of this work highlight the connections between dispersion for the wave equation and dispersion for Schrödinger equation. Thus we propose a new and unified way to prove dispersive estimates and Strichartz inequalities in a very abstract setting, adapted to a heat semigroup
Mokrani, Houda. "Étude d'une classe d'équations aux dérivées partielles semi-linéaires sur le groupe de Heisenberg." Phd thesis, Université de Rouen, 2009. http://tel.archives-ouvertes.fr/tel-00461835.
Full textMarjani, Mohammed. "Interpolation linéaire associée à un générateur de semi-groupe intégré et estimation de la fonction K." Besançon, 1990. http://www.theses.fr/1990BESA2014.
Full textAbadie, Claude. "Évaluation du fonctionnement et du coût d'un cabinet médical de groupe en milieu semi-rural et touristique." Bordeaux 2, 1993. http://www.theses.fr/1993BOR2M219.
Full textBooks on the topic "Semi-groupe"
White noise: An infinite dimensional calculus. Dordrecht: Kluwer Academic Publishers, 1993.
Find full text(Editor), Jean-Benoit Bost, Francois Loeser (Editor), and Michel Raynaud (Editor), eds. Courbes Semi-stables et Groupe Fondamental en Geometrie Algebrique French/English. Birkhäuser Basel, 2000.
Find full text1961-, Bost Jean-Benoît, Loeser François, and Raynaud Michel, eds. Courbes semi-stables et groupe fondamental en géométrie algébrique: Luminy, décembre 1998. Basel: Birkhäuser, 2000.
Find full textBook chapters on the topic "Semi-groupe"
Schwartz, Laurent. "Le semi-groupe d'une diffusion en liaison avec les trajectoires." In Lecture Notes in Mathematics, 326–42. Berlin, Heidelberg: Springer Berlin Heidelberg, 1989. http://dx.doi.org/10.1007/bfb0083983.
Full textDrezet, Jean-Marc. "Groupe de picard des variétés de modules de faisceaux semi-stables sur ℙ2." In Lecture Notes in Mathematics, 337–62. Berlin, Heidelberg: Springer Berlin Heidelberg, 1987. http://dx.doi.org/10.1007/bfb0078853.
Full textMokobodzki, Gabriel. "Representation d'un semi-groupe d'operateurs sur un espace L 1 par des noyaux. Remarques sur deux articles de S.E. kuznetsov." In Séminaire de Probabilités XXVII, 304–11. Berlin, Heidelberg: Springer Berlin Heidelberg, 1993. http://dx.doi.org/10.1007/bfb0087983.
Full textSchwartz, Laurent. "Quelques corrections et améliorations à mon article “Le Semi-groupe d'une diffusion en liaison avec les trajectoires” paru dans le Séminaire de Probabilités de 1988." In Lecture Notes in Mathematics, 488–90. Berlin, Heidelberg: Springer Berlin Heidelberg, 1990. http://dx.doi.org/10.1007/bfb0083793.
Full textGebuhrer, Marc Olivier. "The Transience Criterion for Semigroups of Probability Measures on a Class of Commutative Hypergroups / Critère de Transience D’un Semi Groupe de Probabilitès sur une Classe D’hypergroupes Commutatifs." In Probability Measures on Groups X, 145–54. Boston, MA: Springer US, 1991. http://dx.doi.org/10.1007/978-1-4899-2364-6_11.
Full text"Les caractéristiques structurelles et fonctionnelles du groupe semi-autonome." In Groupes semi-autonomes de travail et dynamique du pouvoir ouvrier, 21–30. Presses de l'Université du Québec, 2011. http://dx.doi.org/10.2307/j.ctv18phg1w.5.
Full text"L’échec de la réorganisation et la dissolution du groupe semi-autonome." In Groupes semi-autonomes de travail et dynamique du pouvoir ouvrier, 113–26. Presses de l'Université du Québec, 2011. http://dx.doi.org/10.2307/j.ctv18phg1w.10.
Full text"La dynamique conflictuelle du groupe semi-autonome au moment de l’enquête." In Groupes semi-autonomes de travail et dynamique du pouvoir ouvrier, 87–112. Presses de l'Université du Québec, 2011. http://dx.doi.org/10.2307/j.ctv18phg1w.9.
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