Academic literature on the topic 'Modèle de gravité'
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Journal articles on the topic "Modèle de gravité"
Gaudry, Marc. "Un aperçu de DRAG, un modèle de sécurité routière compréhensif." Articles 69, no. 3 (March 23, 2009): 203–11. http://dx.doi.org/10.7202/602115ar.
Full textAvom, Désiré, and Dieudonné Mignamissi. "Évaluation et analyse du potentiel commercial dans la Communauté économique et monétaire de l’Afrique centrale (CEMAC)." Articles 89, no. 2 (May 6, 2014): 115–45. http://dx.doi.org/10.7202/1024887ar.
Full textSarlin, Wladimir, Cyprien Morize, Alban Sauret, and Philippe Gondret. "Effondrement de châteaux de sable dans l’eau : des tsunamis de laboratoire." Reflets de la physique, no. 78 (May 2024): 24–27. http://dx.doi.org/10.1051/refdp/202478024.
Full textLacharité-Young1, Elisabeth, Natacha Brunelle2, Michel Rousseau, Iris Bourgault Bouthillier, Danielle Leclerc, Marie-Marthe Cousineau, Joël Tremblay, and Magali Dufour. "Liens drogue-délinquance lucrative chez les adolescents." Criminologie 50, no. 1 (May 9, 2017): 263–85. http://dx.doi.org/10.7202/1039804ar.
Full textBarra, J., P. Senot, and L. Auclair. "Le modèle interne de gravité peut influencer le traitement visuel de la posture." Neurophysiologie Clinique/Clinical Neurophysiology 45, no. 4-5 (November 2015): 402. http://dx.doi.org/10.1016/j.neucli.2015.10.035.
Full textTrotignon, Jérôme. "La Restriction des émissions de CO2 pénalise-t-elle les exportations? Un modèle de gravité avec données de panel et variables muettes régionales." Articles 86, no. 1 (February 3, 2011): 5–33. http://dx.doi.org/10.7202/045553ar.
Full textLacroix, Robert, Claude Montmarquette, Sophie Mahseredjian, and Nicole Froment. "Disparités interindustrielles dans les taux de départs volontaires : une étude empirique." Articles 67, no. 4 (February 27, 2009): 458–81. http://dx.doi.org/10.7202/602049ar.
Full textTrotignon, Jérôme. "L’impact des accords de libre-commerce entre pays latino-américains. Les enseignements d’un modèle de gravité en données de panel." Économie appliquée 61, no. 2 (2008): 95–119. http://dx.doi.org/10.3406/ecoap.2008.1879.
Full textGbetnkom, Daniel. "Intégration régionale et potentialité commerciale dans la CEMAC : une évaluation par le modèle de gravité." Techniques Financières et Développement 111, no. 2 (2013): 89. http://dx.doi.org/10.3917/tfd.111.0089.
Full textCordon, Charissa, Jennifer Lounsbury, Delia Palmer, and Cheryl Shoemaker. "Application du modèle synergique au modèle de soins infirmiers en contexte de soins hospitaliers et ambulatoires – expérience de deux établissements en milieu urbain : Centre des sciences de la santé d’Hamilton et Centre régional de cancérologie de Grand." Canadian Oncology Nursing Journal 31, no. 2 (May 7, 2021): 195–204. http://dx.doi.org/10.5737/23688076312195204.
Full textDissertations / Theses on the topic "Modèle de gravité"
Motavallianbaran, Seyed Hani. "Détermination d’un modèle lithosphérique sous la chaine centrale de l’Alborz basée sur l’interprétation intégrée de données gravimétriques, du géoïde et de la topographie." Thesis, Paris 11, 2013. http://www.theses.fr/2013PA112007.
Full textThe wish to understand the Earth's origin, evolution and composition, curiosity of the human to comprehend our planet's future evolution plus the geological needs compel researchers to investigate tectonic evolution and their present day structure and behavior. Some key parameters to better understand these subjects are depth of the Moho (the boundary between crust and mantle) and of the lithosphere-asthenosphere boundary (LAB). The targeted area of this research includes the Alborz Mountains in northern Iran and the South Caspian Basin. The Alborz Mountains separate the South Caspian Basin from Central Iran. For our research, the definition of the LAB is an isotherm and we try to calculate the temperature distribution in the lithosphere. We also consider local isostasy to be valid for our modeling. Gravity, geoid, topography and surface heat flow data are used in this research to model the Moho and LAB discontinuities. Potential field data are sensitive to the lateral density variations which happen across these two boundaries but at different depth. In this research 1D, 2D and 3D modeling has been conducted in our targeted area. In 1D modeling, our data are topography and geoid undulations. The method is a 1D inversion based on a two-layered model comprising crust and lithospheric mantle. Using gravity, geoid, topography and surface heat flow data, we have modeled 2D distributions of the density and temperature in the lithosphere along three profiles crossing Iran in SW-NE direction from the Arabian foreland in the SW to the South Caspian Basin and the Turan Platform to the NE. Finally, a 3D algorithm has been developed and tested to obtain the density structure of the lithosphere from joint inversion of free air gravity, geoid and topography data based on a Bayesian approach with Gaussian probability density function. The algorithm delivers the crustal and lithospheric thicknesses and the average crustal density. The results show crustal root under the Alborz Mountains and a thin crust under the southernmost South Caspian Basin thickening northward until the Apsheron-Balkan Sill. Regarding LAB, the results show thick lithosphere under the South Caspian Basin compared to thin lithosphere of Central Iran
Rousseau, Célia. "Comment la gravité est intégrée lors de la planification motrice : approches comportementale et par imagerie cérébrale." Thesis, Dijon, 2016. http://www.theses.fr/2016DIJOS055/document.
Full textGravity is immutable, ubiquitous and affects the dynamic of our daily movements. The gravitational attraction (9.81 m / s2) which varies less than 1% of the earth's surface, is an actress of the evolution of all living species. Thanks to an efficient sensorimotor system, the dynamical consequences of the effects of gravity on our movements are stored as internal representations. To circumvent the time delays of the afferent signals coming from the sensorimotor system (too long to plan quick movements), the Central Nervous System (CNS) acts in a proactive fashion by using suitable internal models developed during our past experiences. These models are mainly used during the motor planning to provide a motor command to initiate the action. Prior knowledge of our biomechanical system and our environment therefore characterizes the diversity of internal models of each individual. However, before movement’s execution, sensory feedback can also be used to develop an optimal strategy of the motor task. The role of this initial information coming from the sensory feedback to anticipate the effects of gravity remains to deepen. During this thesis, we have highlighted the critical role of the initial information to plan a movement. Once available (~ 100 ms after the beginning of the movement), the sensory feedback is then integrated into internal models to control the motor task and if it is necessary, to adjust the strategy during movement execution. The initial information is especially useful when we have to deal with a new dynamical context. Indeed, the CNS will much more rely on this information coming from the sensorimotor system, given that no internal model related to the unusual context has still been developed. During a learning phase new internal models will be established. The parameters which allow learning are various and depend on the sensorimotor system of each individual. We have shown that when all the sensory systems are affected by the effects of a new gravito-inertial environment, learning was facilitated. This result contrasts with the lack of adaptation - or interference - sometimes observed during learning tasks much easier. All these mechanisms observed at a behavioral stage are processed in the cerebral cortex, and the integration and encoding of the effects of gravity are processed in specific brain areas. In particular, concerning external objects, the vestibular network is engaged to predict the effects of gravity. Thus, we wanted to know if the same functional network was responsible of the processing of the dynamical constraints of gravity during movement’s execution. We have shown that the insular cortex, which is the core region of the visual vestibular system, plays an important role. Then, by using mental imagery paradigm that does not induce movement, we also observed differences in the circuitry within the insula when gravity-relevant signals related to movement’s execution are transmitted or not to the brain
Tixier, Christine. "Orientation géographique des échanges de la région Limousin à partir d'un modèle de gravité." Limoges, 2006. http://www.theses.fr/2006LIMO0511.
Full textThe aim of this thesis is to identify the variables which influence the interregional and international trade of LIMOUSIN Region using a gravity model from 1990-2001. Our research is organized in four steps. The first one is a theoretical survey of the foundations of gravity model. The second one relates an empirical survey of empirical studies concerning the gravity model for international trade. Improvements of this specification have been proposed in the light of this survey. The third step consists in the analysis of the geographical orientation of interregional and international goods trade of LIMOUSIN Region according to different disaggregated levels and means of transport. The last step of this thesis proposes, considering the previous step, an econometric adaptation of gravity model to different disaggregated levels to show that geographical distance, economic “mass”, economic distance, adjacency or infrastructure levels (road, railway) are relevant factors to explain the trade of a Region. Due to scarcity of data at a regional level, it is difficult to adapt the gravity model as a tool as it is mainly used in international trade. Nevertheless, our results remain in conformity with the empirical literature
Smerlak, Matteo. "Divergence des mousses de spins : Comptage de puissances et resommation dans le modèle plat." Thesis, Aix-Marseille 2, 2011. http://www.theses.fr/2011AIX22115/document.
Full textIn this thesis we study the flat model, the main buidling block for the spinfoam ap- proach to quantum gravity, with an emphasis on its divergences. Besides a personal introduction to the problem of quantum gravity, the manuscript consists in two part. In the first one, we establish an exact powercounting formula for the bubble divergences of the flat model, using tools from discrete gauge theory and twisted cohomology. In the second one, we address the issue of spinfoam continuum limit, both from the lattice field theory and the group field theory perspectives. In particular, we put forward a new proof of the Borel summability of the Boulatov-Freidel-Louapre model, with an improved control over the large-spin scaling behaviour. We conclude with an outlook of the renormalization program in spinfoam quantum gravity
Riello, Aldo. "Corrections radiatives en gravité quantique à mousse de spins : Une étude du graphe de Self énergie dans le modèle EPRL Lorentzien." Thesis, Aix-Marseille, 2014. http://www.theses.fr/2014AIXM4028/document.
Full textI present the first quantitative study of radiative corrections within the EPRL model of quantum gravity. This model is the most advanced proposal of Lorentzian 4-dimensional background-independent quantum gravity. It is a realization of the path-integral quantization of general relativity as a sum over geometries. The present study focuses on the properties and geometrical features of the analogue of the self-energy graph within the model, often referred to as the "melon"-graph. Here, I show that the dominating contribution to such a graph is characterized by a degree of divergence much smaller than that of closely related topological quantum field theories. Moreover, I work out in detail the dependence of the amplitude from the boundary data, and find that the self-energy graph does not simply induce a wave function renormaliziation. This happens for reasons deeply related to the model foundations. However, it turns out that the amplitude reduces to a wave function renormalzation in the limit of large quantum numbers. Then, I show the consequences of this calculations on a concrete spinfoam observable: the quantum-metric two-point function. In doing this, I show how the insertion of the self-energy graph in the bulk of the (first-order) spinfoam used in the calculation, has non-trivial effects on the correlation function, modifying its leading order contributions. Most interestingly, this effects do not disappear in the limit of large quantum number. Finally, I discuss the consequences of these calculations for the model itself, and I point out and comment those general features which seem to be common to any spinfoam model based on the present model-building schemes
Sabra, Mahmoud. "Les choix stratégiques des firmes multinationales et la relation entre les exportations et les IDE : application d’un modèle Probit bi-varié, et d’un modèle de gravité dynamique aux pays Méditerranéens." Thesis, Toulon, 2011. http://www.theses.fr/2011TOUL2002/document.
Full textIn this thesis, we discuss the relationship between exports and FDI, and we aim to find a long-term relationship between these variables. In the course of the thesis analysis, we study empirically the exports and FDI determinants, at macro and micro analysis. This allows us to detect precisely the relationship between the both variables. In other words, this thesis carry out the following points: at micro level (company level), the multinationals are likely to implement the two activities (exports and FDI) to serve the foreign market, but the multinationals strategic choice can also choose between exports and FDI. On this point, the productivity of the multinational corporations and their other characteristics have a crucial role to clarify the mechanism of the choice between strategies and the relationship between exports and FDI. In fact, this is the first empirical part, which is the first similar application on the French companies. In the part, we also distinguish between strategic decisions based on company on the company size (large, very large and both groups of French enterprises).At the macro level, we will seek to identify the simultaneous determinants of exports and FDI. To do so, a gravity system is estimated bivariate dynamic equations to illuminate the role of these determinants and the relationship between exports and FDI. This is the second empirical part, which is applied on the capital and goods exchange between France and ten Mediterranean partners. The choice of these countries based on their importance in French trade. Moreover, the lack of the literature applied to these countries in this area is extra motivation
Kubicki, Agnès. "Modèle rhéologique pour la diffusion d'ondes de gravité en air humide saturé et application à la convection nuageuse." Lille 1, 1999. https://pepite-depot.univ-lille.fr/LIBRE/Th_Num/1999/50376-1999-407.pdf.
Full textBaurès, Robin. "Influence de la gravité sur la perception et l'interception d'objets en mouvement." Paris 11, 2007. http://www.theses.fr/2007PA113004.
Full textIn order to explain Humans' success in interceptive actions of gravitationally accelerated objects, despites the low capacity of the visual system to detect it, several studies have recently suggested that gravity has been embodied in a quantitative internal model of gravity thereby permitting access to exact time-to-contact (TTC) when intercepting a free falling object. However, we may wonder if theoretical and methodological concerns in these experiments can not call into question the effective demonstration of the existence and use of such a model. The goa l of this doctoral work was to determine how our knowledge of gravity influences our perception and actions. We conducted six ex perimentations issued from three different paradigms, perceptive judgment, indirect interception and direct interception. Our results refute the use of a quantitative internal model of gravity, and plead in favour of the use of our knowledge of gravity as a qualitative implicit physics knowledge, which would modulate our perceptive judgements a nd interceptive movements but without giving access to the quantitative effects of gravity
Sabra, Mahmoud. "Les choix stratégiques des firmes multinationales et la relation entre les exportations et les IDE : application d’un modèle Probit bi-varié, et d’un modèle de gravité dynamique aux pays Méditerranéens." Electronic Thesis or Diss., Toulon, 2011. http://www.theses.fr/2011TOUL2002.
Full textIn this thesis, we discuss the relationship between exports and FDI, and we aim to find a long-term relationship between these variables. In the course of the thesis analysis, we study empirically the exports and FDI determinants, at macro and micro analysis. This allows us to detect precisely the relationship between the both variables. In other words, this thesis carry out the following points: at micro level (company level), the multinationals are likely to implement the two activities (exports and FDI) to serve the foreign market, but the multinationals strategic choice can also choose between exports and FDI. On this point, the productivity of the multinational corporations and their other characteristics have a crucial role to clarify the mechanism of the choice between strategies and the relationship between exports and FDI. In fact, this is the first empirical part, which is the first similar application on the French companies. In the part, we also distinguish between strategic decisions based on company on the company size (large, very large and both groups of French enterprises).At the macro level, we will seek to identify the simultaneous determinants of exports and FDI. To do so, a gravity system is estimated bivariate dynamic equations to illuminate the role of these determinants and the relationship between exports and FDI. This is the second empirical part, which is applied on the capital and goods exchange between France and ten Mediterranean partners. The choice of these countries based on their importance in French trade. Moreover, the lack of the literature applied to these countries in this area is extra motivation
Baurès, Robin. "Influence de la gravité sur la perception et l'interrception d'objets en mouvement." Phd thesis, Université Paris Sud - Paris XI, 2008. http://tel.archives-ouvertes.fr/tel-00265175.
Full textBooks on the topic "Modèle de gravité"
E, Anderson James. Gravity with gravitas: A solution to the border puzzle. Cambridge, MA: National Bureau of Economic Research, 2001.
Find full textBaldwin, Richard E. Gravity for dummies and dummies for gravity equations. Cambridge, Mass: National Bureau of Economic Research, 2006.
Find full textVega, H. J. de 1949- and Sanchez N. 1952-, eds. Field theory, quantum gravity, and strings II: Proceedings of a seminar series held at DAPHE, Observatoire de Meudon, and LPTHE, Université Pierre et Marie Curie, Paris, between October 1985 and October 1986. Berlin: Springer-Verlag, 1987.
Find full textVanden-Broeck, J. M. Gravity-capillary free-surface flows. New York: Cambridge University Press, 2010.
Find full textHaynes, Kingsley E. Gravity and spatial interaction models. Beverly Hills, Calif: Sage, 1985.
Find full textNATO Advanced Research Workshop on Random Surfaces and Quantum Gravity (1990 Cargèse, France). Random surfaces and quantum gravity. New York: Plenum Press, 1991.
Find full textVanden-Broeck, J. M. Gravity-capillary free-surface flows. New York: Cambridge University Press, 2010.
Find full textE, Smith Tony, ed. Gravity models of spatial interaction behavior. Berlin: Springer-Verlag, 1995.
Find full textSmith, Christie. Currency unions and gravity models revisited. Wellington, N.Z: Reserve Bank of New Zealand, Economics Dept., 2002.
Find full textBook chapters on the topic "Modèle de gravité"
Combes, Pierre-Philippe. "Gravity Models." In The New Palgrave Dictionary of Economics, 5443–47. London: Palgrave Macmillan UK, 2018. http://dx.doi.org/10.1057/978-1-349-95189-5_928.
Full textAlonso, William. "Gravity Models." In The New Palgrave Dictionary of Economics, 1–3. London: Palgrave Macmillan UK, 1987. http://dx.doi.org/10.1057/978-1-349-95121-5_928-1.
Full textCombes, Pierre-Philippe. "Gravity Models." In The New Palgrave Dictionary of Economics, 1–5. London: Palgrave Macmillan UK, 2008. http://dx.doi.org/10.1057/978-1-349-95121-5_928-2.
Full textPavlis, Nikolaos K. "Gravity, Global Models." In Encyclopedia of Solid Earth Geophysics, 1–15. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-10475-7_76-1.
Full textPavlis, Nikolaos K. "Gravity, Global Models." In Encyclopedia of Solid Earth Geophysics, 533–47. Dordrecht: Springer Netherlands, 2011. http://dx.doi.org/10.1007/978-90-481-8702-7_76.
Full textLeishman, Chris. "Retail Gravity Models." In Real Estate Market Research and Analysis, 156–74. London: Macmillan Education UK, 2003. http://dx.doi.org/10.1007/978-1-137-11281-1_9.
Full textPavlis, Nikolaos K. "Gravity, Global Models." In Encyclopedia of Solid Earth Geophysics, 677–91. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-58631-7_76.
Full textRoy, Radhika Ranjan. "Gravity Mobility." In Handbook of Mobile Ad Hoc Networks for Mobility Models, 443–82. Boston, MA: Springer US, 2010. http://dx.doi.org/10.1007/978-1-4419-6050-4_14.
Full textRamos-Sánchez, Saúl, and Michael Ratz. "Heterotic Orbifold Models." In Handbook of Quantum Gravity, 1–25. Singapore: Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-19-3079-9_56-1.
Full textRamos-Sánchez, Saúl, and Michael Ratz. "Heterotic Orbifold Models." In Handbook of Quantum Gravity, 2669–93. Singapore: Springer Nature Singapore, 2024. https://doi.org/10.1007/978-981-99-7681-2_56.
Full textConference papers on the topic "Modèle de gravité"
Tinyakov, Peter. "Modifications of gravity." In Cargèse Summer School: Cosmology and Particle Physics Beyond the Standard Models. Trieste, Italy: Sissa Medialab, 2009. http://dx.doi.org/10.22323/1.049.0011.
Full textDonnay, Laura. "Asymptotic dynamics of three-dimensional gravity." In Eleventh Modave Summer School in Mathematical Physics. Trieste, Italy: Sissa Medialab, 2016. http://dx.doi.org/10.22323/1.271.0001.
Full textIqbal, Nabil. "Entanglement Entropy in Field Theory and Gravity." In Eleventh Modave Summer School in Mathematical Physics. Trieste, Italy: Sissa Medialab, 2016. http://dx.doi.org/10.22323/1.271.0002.
Full textSteinacker, Harold. "Non-commutative geometry and matrix models." In 3rd Quantum Gravity and Quantum Geometry School. Trieste, Italy: Sissa Medialab, 2013. http://dx.doi.org/10.22323/1.140.0004.
Full textTakahashi, Tomo. "Aspects of Multi-Field Models of Inflation." In Second LeCosPA International Symposium: Everything about Gravity. WORLD SCIENTIFIC, 2017. http://dx.doi.org/10.1142/9789813203952_0064.
Full textFairbairn, Winston, John Barrett, Rachel Dowdall, Frank Hellmann, and Roberto Pereira. "Asymptotic analysis of Lorentzian spin foam models." In 3rd Quantum Gravity and Quantum Geometry School. Trieste, Italy: Sissa Medialab, 2013. http://dx.doi.org/10.22323/1.140.0009.
Full textMurad, P. A. "Exploring Gravity and Gravitational Wave Dynamics Part II: Gravity Models." In SPACE TECHNOLOGY AND APPLICATIONS INTERNATIONAL FORUM-STAIF 2007: 11th Conf Thermophys.Applic.in Micrograv.; 24th Symp Space Nucl.Pwr.Propulsion; 5th Conf Hum/Robotic Techn & Vision Space Explor.; 5th Symp Space Coloniz.; 4th Symp New Frontrs & Future Con. AIP, 2007. http://dx.doi.org/10.1063/1.2437567.
Full textMaceda, Marco, Alfredo Macias, Claus Lämmerzahl, and Abel Camacho. "Non-commutative models in gravity." In 2007. AIP, 2008. http://dx.doi.org/10.1063/1.2902794.
Full textTighe, Brian P., Masami Nakagawa, and Stefan Luding. "Granular lattice models with gravity." In POWDERS AND GRAINS 2009: PROCEEDINGS OF THE 6TH INTERNATIONAL CONFERENCE ON MICROMECHANICS OF GRANULAR MEDIA. AIP, 2009. http://dx.doi.org/10.1063/1.3179919.
Full textDa̧browski, Mariusz P., Adam Balcerzak, Jean-Michel Alimi, and André Fuözfa. "Higher-order brane gravity models." In INVISIBLE UNIVERSE: Proceedings of the Conference. AIP, 2010. http://dx.doi.org/10.1063/1.3462673.
Full textReports on the topic "Modèle de gravité"
Busque, Marc-Antoine, Jaunathan Bilodeau, Martin Lebeau, and Daniel Côté. Portrait statistique des lésions professionnelles chez les immigrants au Québec. IRSST, September 2024. http://dx.doi.org/10.70010/zshi6028.
Full textAnderson, James. The Gravity Model. Cambridge, MA: National Bureau of Economic Research, December 2010. http://dx.doi.org/10.3386/w16576.
Full textHayward, N., and V. Tschirhart. A comparison of 3-D inversion strategies in the investigation of the 3-D density and magnetic susceptibility distribution in the Great Bear Magmatic Zone, Northwest Territories. Natural Resources Canada/CMSS/Information Management, 2023. http://dx.doi.org/10.4095/331954.
Full textKarl, Joanna. Gravity Sedimentation: A One-Dimensional Numerical Model. Portland State University Library, January 2000. http://dx.doi.org/10.15760/etd.6478.
Full textThomas, M. D. Magnetic and gravity models, northern half of the Taltson Magmatic Zone, Rae Craton, Northwest Territories: insights into upper crustal structure. Natural Resources Canada/CMSS/Information Management, 2022. http://dx.doi.org/10.4095/328244.
Full textZylkin, Thomas, and Martin Weidner. Bias and Consistency in Three-way Gravity Models. The IFS, January 2020. http://dx.doi.org/10.1920/wp.cem.2020.119.
Full textZylkin, Thomas, and Martin Weidner. Bias and Consistency in Three-way Gravity Models. The IFS, January 2020. http://dx.doi.org/10.1920/wp.cem.2020.120.
Full textMorales, Eduardo, Gloria Sheu, and Andrés Zahler. Gravity and Extended Gravity: Using Moment Inequalities to Estimate a Model of Export Entry. Cambridge, MA: National Bureau of Economic Research, February 2014. http://dx.doi.org/10.3386/w19916.
Full textAlviarez, Vanessa, and Ayhab Saad. Multinational Production and Intra-firm Trade. Inter-American Development Bank, November 2022. http://dx.doi.org/10.18235/0004566.
Full textCamacho, Paulo. Portugal’s Integration in World Trade: A Gravity Model. DINÂMIA'CET-IUL, 2013. http://dx.doi.org/10.7749/dinamiacet-iul.rp.2013.01.
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