Academic literature on the topic 'Calcul perturbatif'
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Journal articles on the topic "Calcul perturbatif"
Shojaei-Fard, Ali. "Application of Deformed Lie Algebras to Non-Perturbative Quantum Field Theory." Journal of the Indian Mathematical Society 84, no. 1-2 (January 2, 2017): 109. http://dx.doi.org/10.18311/jims/2017/5839.
Full textLEVALLOIS, PHILIPPE. "Calcul d'une fonction de Melnikov et de ses zeros pour une perturbation algebrique du billard elliptique." Ergodic Theory and Dynamical Systems 17, no. 2 (April 1997): 435–44. http://dx.doi.org/10.1017/s0143385797069836.
Full textXI JIN-HUA and WU LI-JIN. "MANY-BODY PERTURBATION THEORETICAL CALCU-LATION WITH FINITE BASIS SETS CONSTRUCTED FROM B SPLINES." Acta Physica Sinica 41, no. 11 (1992): 1759. http://dx.doi.org/10.7498/aps.41.1759.
Full textNoeiaghdam, Samad, Aliona Dreglea, Jihuan He, Zakieh Avazzadeh, Muhammad Suleman, Mohammad Ali Fariborzi Araghi, Denis N. Sidorov, and Nikolai Sidorov. "Error Estimation of the Homotopy Perturbation Method to Solve Second Kind Volterra Integral Equations with Piecewise Smooth Kernels: Application of the CADNA Library." Symmetry 12, no. 10 (October 20, 2020): 1730. http://dx.doi.org/10.3390/sym12101730.
Full textFilobello-Niño, Uriel Antonio, Héctor Vázquez-Leal, Mario Alberto Sandoval-Hernández, Jesús Huerta-Chua, and Víctor Manuel Jiménez-Fernández. "Método de perturbación con transformada de Laplace para resolver problemas no lineales de múltiples soluciones, con condiciones a la frontera mixtas y Neumann." CienciaUAT 13, no. 2 (January 31, 2019): 06. http://dx.doi.org/10.29059/cienciauat.v13i2.1119.
Full textMoon, Woosok, and J. S. Wettlaufer. "A Stochastic Dynamical Model of Arctic Sea Ice." Journal of Climate 30, no. 13 (July 2017): 5119–40. http://dx.doi.org/10.1175/jcli-d-16-0223.1.
Full textTrsic, M., W. G. Laidlaw, and T. Ziegler. "Les fonctions de Hartree-Fock-Slater Comme Base Pour des Calculs de Perturbation À un Électron Pour Molécules. II. L'Advantage de la Formulation Dipôle Vitesse-Dipôle Longeur Pour la Polarisabilité de L'état Fondamental." Bulletin des Sociétés Chimiques Belges 85, no. 12 (September 1, 2010): 1027–30. http://dx.doi.org/10.1002/bscb.19760851217.
Full textDeguenonvo, Tonankpon Aymar Guy, Thierry Dehouegnon Houehanou, Dowo Michée Adjacou, Florent Eudes Dagbédji Sobakin, Reine Sodedja, Gérard Nounagnon Gouwakinnou, and Armand Kuyema Natta. "Effet de la zone climatique et de la perturbation humaine sur la composition floristique et la diversité des habitats de <i>Pseudocedrela kotschyi</i> au Benin." International Journal of Biological and Chemical Sciences 17, no. 6 (January 18, 2024): 2299–311. http://dx.doi.org/10.4314/ijbcs.v17i6.13.
Full textBriand, O., R. Seux, M. Millet, and M. Clément. "Influence de la pluviométrie sur la contamination de l'atmosphère et des eaux de pluie par les pesticides." Revue des sciences de l'eau 15, no. 4 (April 12, 2005): 767–87. http://dx.doi.org/10.7202/705480ar.
Full textBhowmick, Jyotishman, Debashish Goswami, and Soumalya Joardar. "Levi-Civita connections for conformally deformed metrics on tame differential calculi." International Journal of Mathematics, September 2, 2021, 2150088. http://dx.doi.org/10.1142/s0129167x21500889.
Full textDissertations / Theses on the topic "Calcul perturbatif"
VILANOVE, HELENE. "Utilisation des bases de representation par variables discretes dans le calcul non perturbatif des spectres de vibration-rotation des molecules triatomiques : application au dioxyde d'azote." Reims, 1996. http://www.theses.fr/1996REIMS030.
Full textPeigne, Stéphane. "Calcul perturbatif d'observables du plasma de quarks et de gluons : comportement infrarouge des theories de jauge a haute temperature. effets coherents dans un milieu non abelien." Paris 11, 1995. http://www.theses.fr/1995PA112156.
Full textPascalie, Romain. "Tenseurs aléatoires et modèle de Sachdev-Ye-Kitaev." Thesis, Bordeaux, 2020. http://www.theses.fr/2020BORD0099.
Full textThis thesis treats different aspects of random tensors. In the first part of the thesis, we study the formulation of random tensors as a quantum field theory called tensor field theory (TFT). In particular we derive the Schwinger-Dyson equations for a tensor field theory with an U(N)-invariant melonic quartic interactions, at any tensor rank. The correlation functions are classified by boundary graphs and we use the Ward-Takahashi identity to derive the complete tower of exact, analytic Schwinger-Dyson equations for correlation functions with connected boundary graph.We then analyse the large N limit of the Schwinger-Dyson equations for rank 3 tensors. We find the appropriate scalings in powers of N for the various terms present in the action. This enable us to solve the closed Schwinger-Dyson equation for the 2-point function of a TFT with only one quartic melonic interaction, in terms of Lambert's W-function, using a perturbative expansion and Lagrange-Bürmann resummation. Higher-point functions are then obtained recursively.In the second part of the thesis, we study the Sachdev-Ye-Kitaev (SYK) model which is closely related to tensor models. The SYK model is a quantum mechanical model of N fermions who interact q at a time and whose coupling constant is a tensor average over a Gaussian distribution. We study the effect of non-Gaussian average over the random couplings in a complex version of the SYK model. Using a Polchinski-like equation and random tensor Gaussian universality, we show that the effect of this non-Gaussian averaging leads to a modification of the variance of the Gaussian distribution of couplings at leading order in N. We then derive the form of the effective action to all orders and perform an explicit computation of the modification of the variance in the case of a quartic perturbation.In the third part of the thesis, we analyse an application of random tensors to non-linear resonant system. Focusing on a typical model similar to the SYK model but with bosons instead of fermions, we perform a Gaussian averaging both for the tensor coupling between modes and for the initial conditions. In the limit when the initial configuration has many modes excited, we compute the variance of the Sobolev norms to characterise how representative the averaged model is of this class of resonant systems
Kneur, Jean-Loic. "Calculs perturbatifs variationnellement améliorés en théorie des champs; calcul du spectre et contraintes sur le modèle supersymétrique standard." Habilitation à diriger des recherches, Université Montpellier II - Sciences et Techniques du Languedoc, 2006. http://tel.archives-ouvertes.fr/tel-00265720.
Full textSimon, Yehudi. "Resommation pour des processus de QCD à l'aune du Run 3 du LHC." Electronic Thesis or Diss., Sorbonne université, 2023. http://www.theses.fr/2023SORUS470.
Full textThe predictions derived from the Standard Model of particle physics allow to compare theory with experimental mesurements. As the LHC is currently running its third data taking campain, it is of particular interest in the context of LHC physics. This comparison is crucial both in the context of precision measurements, to detect possible deviations from the Standard Model, and for direct searches for new particles. The recent progress in experimental measurements, particularly with Run 3 of the LHC, calls for improvements in theoretical predictions related to rarer and more complex processes. To achieve this goal, increasing the number of perturbative orders taken into account in the calculations is not the only solution. Techniques such as soft gluon threshold resummation allow terms at all orders to be taken into account by exponentiation. This typically reduces the theoretical errors bars and improves the accuracy of the results. In this thesis, we focused on the application of resummation to processes involving QCD corrections at the subdominant order, firstly in the context of exotic lepton production, and secondly in quark top physics
Iacomi, Marius. "Calculs non-perturbatifs en théorie des champs bidimensionnelle." Montpellier 2, 1997. http://www.theses.fr/1997MON20240.
Full textGruey, Louis Jules. "Sur le calcul numérique des perturbations des petites planètes au moyen des quadratures." Paris : Bibliothèque universitaire Pierre et Marie Curie (BUPMC), 2009. http://jubil.upmc.fr/sdx/pl/toc.xsp?id=TH_000278_001&fmt=upmc&idtoc=TH_000278_001-pleadetoc&base=fa.
Full textPérigaud, Ernest Louis Antoine. "Exposé de la méthode de Hansen pour le calcul des perturbations spéciales des petites planètes." Paris : Bibliothèque universitaire Pierre et Marie Curie (BUPMC), 2009. http://jubil.upmc.fr/sdx/pl/toc.xsp?id=TH_000291_001&fmt=upmc&idtoc=TH_000291_001-pleadetoc&base=fa.
Full textZézé, Djédjé Sylvain. "Calcul de fonctions de forme de haut degré par une technique de perturbation." Thesis, Metz, 2009. http://www.theses.fr/2009METZ056S.
Full textMost problems of physics and mechanics lead to partial differential equations. The many methods that exist are relatively low degree. In this thesis, we propose a method of very high degree. Our idea is to increase the order of interpolation function via a perturbation technique to avoid or reduce the difficulties caused by the high cost operations such as integrations. In dimension 1, the proposed technique is close to the P-version finite elements. At a basic level, approximates the solution by a power series of order p. In the case of a linear equation of order 2, the local resolution can build an element of degree, with two degrees of freedom per element. For nonlinear problems, a linearization of the problem by Newton's method is needed. Tests involving linear and nonlinear equations were used to validate the method and show that the technique has a similar convergence in the p-version finite elements. In dimension 2, the problem is discretized through reorganizing polynomials in homogeneous polynomials of degree k. After a definition of variables called principal and secondary combined with a vertical scanning field, the problem becomes a series of 1D problem. A collocation technique allows to take into account the boundary conditions and coupling conditions and determine the solution of the problem. The collocation technique coupled with the least-squares enabled to improve the initial results and has made more robust the perturbation technique
Coine, Clément. "Continuous linear and bilinear Schur multipliers and applications to perturbation theory." Thesis, Bourgogne Franche-Comté, 2017. http://www.theses.fr/2017UBFCD074/document.
Full textIn the first chapter, we define some tensor products and we identify their dual space. Then, we give some properties of Schatten classes. The end of the chapter is dedicated to the study of Bochner spaces valued in the space of operators that can be factorized by a Hilbert space.The second chapter is dedicated to linear Schur multipliers. We characterize bounded multipliers on B(Lp, Lq) when p is less than q and then apply this result to obtain new inclusion relationships among spaces of multipliers.In the third chapter, we characterize, by means of linear Schur multipliers, continuous bilinear Schur multipliers valued in the space of trace class operators. In the fourth chapter, we give several results concerning multiple operator integrals. In particular, we characterize triple operator integrals mapping valued in trace class operators and then we give a necessary and sufficient condition for a triple operator integral to define a completely bounded map on the Haagerup tensor product of compact operators. Finally, the fifth chapter is dedicated to the resolution of Peller's problems. We first study the connection between multiple operator integrals and perturbation theory for functional calculus of selfadjoint operators and we finish with the construction of counter-examples for those problems
Books on the topic "Calcul perturbatif"
Xia, Shen-Ling. Calcium signaling in bone cells in response to mechanical perturbation and calcitonin. [Toronto: Faculty of Dentistry, University of Toronto], 1995.
Find full textBraides, Andrea. Approximation of free-discontinuity problems. Berlin: Springer-Verlag, 1998.
Find full textDieter, Armbruster, ed. Perturbation methods, bifurcation theory, and computer algebra. New York: Springer-Verlag, 1987.
Find full textIan, Anderson. The inverse problem of the calculus of variations for ordinary differential equations. Providence, R.I: American Mathematical Society, 1992.
Find full textKoroli͡uk, V. S. Mathematical foundations of the state lumping of large systems. Dordrecht: Kluwer Academic Publishers, 1993.
Find full textBraides, Andrea. Approximation of Free-Discontinuity Problems. Springer London, Limited, 2006.
Find full textKorolyuk, Vladimir S., and A. F. Turbin. Mathematical Foundations of the State Lumping of Large Systems (Mathematics and Its Applications). Springer, 1993.
Find full textKorolyuk, Vladimir S., and A. F. Turbin. Mathematical Foundations of the State Lumping of Large Systems. Springer, 2014.
Find full textLévy-Bruhl, Pierre. Introduction à la théorie spectrale - Cours et exercices corrigés. Dunod, 2003.
Find full textConvexity and Well-Posed Problems. Springer London, Limited, 2006.
Find full textBook chapters on the topic "Calcul perturbatif"
Sprößig, W. "Quaternionic Operator Calculus and Domain Perturbation Problems." In Clifford Algebras and their Applications in Mathematical Physics, 233–40. Dordrecht: Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-011-2006-7_27.
Full textBackhaus, Hendrik, Nicolas Ruffini, Anna Wierczeiko, and Albrecht Stroh. "An All-Optical Physiology Pipeline Toward Highly Specific and Artifact-Free Circuit Mapping." In Neuromethods, 137–63. New York, NY: Springer US, 2023. http://dx.doi.org/10.1007/978-1-0716-2764-8_5.
Full textArora, R., and J. P. Palta. "Perturbation of Membrane Calcium as a Molecular Mechanism of Freezing Injury." In Environmental Stress in Plants, 281–90. Berlin, Heidelberg: Springer Berlin Heidelberg, 1989. http://dx.doi.org/10.1007/978-3-642-73163-1_26.
Full textGesztesy, Fritz, Gilles Godefroy, Loukas Grafakos, and Igor Verbitsky. "Perturbation and Interpolation Theorems for the H∞-Calculus with Applications to Differential Operators." In Nigel J. Kalton Selecta, 649–714. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-18796-9_21.
Full textLéandre, Rémi. "Perturbation of the Malliavin Calculus of Bismut type for a large order on a Lie group." In Physical and Mathematical Aspects of Symmetries, 221–25. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-69164-0_33.
Full text"10 Groupe de renormalisation perturbatif : calculs explicites." In Transitions de phase et groupe de renormalisation, 261–86. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-0150-3-012.
Full text"10 Groupe de renormalisation perturbatif : calculs explicites." In Transitions de phase et groupe de renormalisation, 261–86. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-0150-3.c012.
Full textORRENIUS, STEN, and GIORGIO BELLOMO. "Toxicological Implications of Perturbation of Ca2+ Homeostasis in Hepatocytes." In Calcium and Cell Function, 185–208. Elsevier, 1986. http://dx.doi.org/10.1016/b978-0-12-171406-2.50012-3.
Full textKonishi, Kenichi, and Giampiero Paffuti. "Path integrals." In Quantum Mechanics, 183–202. Oxford University PressOxford, 2009. http://dx.doi.org/10.1093/oso/9780199560264.003.0008.
Full textStedall, Jacqueline. "Making Calculus Work." In Mathematics Emerging, 259–90. Oxford University PressOxford, 2008. http://dx.doi.org/10.1093/oso/9780199226900.003.0010.
Full textConference papers on the topic "Calcul perturbatif"
Arendt, Wolfgang, and Charles J. K. Batty. "Forms, functional calculus, cosine functions and perturbation." In Perspectives in Operator Theory. Warsaw: Institute of Mathematics Polish Academy of Sciences, 2007. http://dx.doi.org/10.4064/bc75-0-2.
Full textAufort, Julie, Paolo Raiteri, Natalya A. Garcia, Raffaella Demichelis, and Julian D. Gale. "Stabilities of Calcium Carbonate and Calcium Phosphate Prenucleation Clusters: Insights from Free Energy Perturbation Calculations." In Goldschmidt2020. Geochemical Society, 2020. http://dx.doi.org/10.46427/gold2020.92.
Full textJafari, M. A., and A. Aminataei. "Numerical Solution of Problems in Calculus of Variations by Homotopy Perturbation Method." In NUMERICAL ANALYSIS AND APPLIED MATHEMATICS: International Conference on Numerical Analysis and Applied Mathematics 2008. American Institute of Physics, 2008. http://dx.doi.org/10.1063/1.2990913.
Full textMin Chen, Jian-Qiang Hu, and M. C. Fu. "Fluid approximation and perturbation analysis of a dynamic priority call center." In 2004 43rd IEEE Conference on Decision and Control (CDC) (IEEE Cat. No.04CH37601). IEEE, 2004. http://dx.doi.org/10.1109/cdc.2004.1428734.
Full textBroschat, Shira Lynn, Akira Ishimaru, and Eric I. Thorsos. "Comparison of the phase perturbation and Kirchhoff approximations with the integral equation solution for random rough surfaces." In OSA Annual Meeting. Washington, D.C.: Optica Publishing Group, 1986. http://dx.doi.org/10.1364/oam.1986.fr5.
Full textVernier, P. T., Yinghua Sun, Jingjing Wang, M. M. Thu, E. Garon, M. Valderrabano, L. Marcu, H. P. Koeffler, and M. A. Gundersen. "Nanoelectropulse Intracellular Perturbation and Electropermeabilization Technology: Phospholipid Translocation, Calcium Bursts, Chromatin Rearrangement, Cardiomyocyte Activation, and Tumor Cell Sensitivity." In 2005 IEEE Engineering in Medicine and Biology 27th Annual Conference. IEEE, 2005. http://dx.doi.org/10.1109/iembs.2005.1615820.
Full textLu, Kanghua, and Bahaa E. A. Saleh. "Reducing Berreman’s 4×4 formulation of LCD optics to 2×2 Jones vector equations." In OSA Annual Meeting. Washington, D.C.: Optica Publishing Group, 1992. http://dx.doi.org/10.1364/oam.1992.tuee5.
Full textGoldman, Daniel, and Paul E. Barbone. "Dirichlet to Neumann Maps for the Representation of Equipment With Weak Nonlinearities." In ASME 1996 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1996. http://dx.doi.org/10.1115/imece1996-0511.
Full textPop, Petru A. "The Study of Cutting Forces About Dynamic Stability of Milling Machine Tools." In ASME 2008 9th Biennial Conference on Engineering Systems Design and Analysis. ASMEDC, 2008. http://dx.doi.org/10.1115/esda2008-59231.
Full textMointire, V. L., A. J. Frangos, G. B. Rhee, G. S. Eskin, and R. E. Hall. "RHEOLOGY AND CELL ACTIVATION." In XIth International Congress on Thrombosis and Haemostasis. Schattauer GmbH, 1987. http://dx.doi.org/10.1055/s-0038-1643988.
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