Literatura científica selecionada sobre o tema "Actions rationnelles"
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Artigos de revistas sobre o assunto "Actions rationnelles"
BOUDON, Raymond. "La théorie de l’action sociale de Parsons : La conserver, mais la dépasser". Sociologie et sociétés 21, n.º 1 (30 de setembro de 2002): 55–67. http://dx.doi.org/10.7202/001084ar.
Texto completo da fonteSantos Ferreira, Rodolphe Dos. "Équilibre marshallien et équilibre walrasien". Recherches économiques de Louvain 55, n.º 4 (1989): 399–424. http://dx.doi.org/10.1017/s0770451800029729.
Texto completo da fonteLedoux, Sébastien. "La place des émotions à l’École après les attentats de 2015". Diversité 195, n.º 1 (2019): 101–7. http://dx.doi.org/10.3406/diver.2019.4797.
Texto completo da fonteRobitaille, Marie-Chantal, Virginie Hamel e Jean-Claude Moubarac. "Les activités politiques corporatives et leurs influences sur les politiques publiques : un enjeu important pour la nutrition publique". Nutrition Science en évolution 18, n.º 1 (8 de julho de 2020): 14–23. http://dx.doi.org/10.7202/1070393ar.
Texto completo da fonteDemailly, Lise, e Jean-Louis Darréon. "Connaissance rationnelle et action publique". Sciences de la société, n.º 79 (1 de fevereiro de 2010): 3–8. http://dx.doi.org/10.4000/sds.2723.
Texto completo da fonteGiraud, Yann. "Action rationnelle et raison de l’Histoire". Zilsel 2, n.º 2 (2017): 327. http://dx.doi.org/10.3917/zil.002.0327.
Texto completo da fonteAbikou, Jérôme Michel, Josué Yisségnon Gouwakinnou, Inoussa Chabi Sero e Jacob Afouda Yabi. "Durabilité agroécologique des systèmes de culture du riz (<i>Oryza sativa</i>) en basfonds dans la commune de Malanville au Nord Bénin". Revue Africaine d’Environnement et d’Agriculture 6, n.º 2 (3 de julho de 2023): 63–74. http://dx.doi.org/10.4314/rafea.v6i2.8.
Texto completo da fonteGarcia, Juan. "Leibniz sur la contingence agentielle et l’explication de l’action rationnelle". Studia Leibnitiana 51, n.º 1 (2019): 76. http://dx.doi.org/10.25162/sl-2019-0003.
Texto completo da fonteBernadet, Jean-Pierre, e Pierre Desmet. "Pour un média-planning promotionnel". Décisions Marketing N° 3, n.º 3 (1 de outubro de 1994): 7–14. http://dx.doi.org/10.3917/dm.03.0007.
Texto completo da fonteSAUVANT, D. "Avant-propos". INRAE Productions Animales 14, n.º 5 (17 de dezembro de 2001): 283. http://dx.doi.org/10.20870/productions-animales.2001.14.5.3752.
Texto completo da fonteTeses / dissertações sobre o assunto "Actions rationnelles"
Gouthier, Bianca. "Actions rationnelles de schémas en groupes infinitésimaux". Electronic Thesis or Diss., Bordeaux, 2024. http://www.theses.fr/2024BORD0123.
Texto completo da fonteThis thesis focuses on the study of (rational) actions of infinitesimal group schemes, with a particular emphasis on infinitesimal commutative unipotent group schemes and generically free actions and faithful actions. For any finite k-group scheme G acting rationally on a k-variety X, if the action is generically free then the dimension of Lie(G) is upper bounded by the dimension of the variety. We show that this is the only obstruction when k is a perfect field of positive characteristic and G is infinitesimal commutative trigonalizable. If G is unipotent, we also show that any generically free rational action on X of (any power of) the Frobenius kernel of G extends to a generically free rational action of G on X. Moreover, we give necessary conditions to have faithful rational actions of infinitesimal commutative trigonalizable group schemes on varieties, and (different) sufficient conditions in the unipotent case over a perfect field. Studying faithful group scheme actions on a variety X yields information on representable subgroups of the automorphism group functor AutX of X. For any field k, PGL2,k represents the automorphism group functor of P1 k and thus subgroup schemes of PGL2,k correspond to faithful actions on P1 k. Moreover, PGL2,k(k) coincides with the Cremona group in dimension one, i.e. birational self-maps of P1 k, since any rational self-map of a projective non-singular curve extends to the whole curve. In positive characteristic, the situation is completely different if we consider rational actions of infinitesimal group schemes. Most of the faithful infinitesimal actions on the affine line do not extend to P1 k. If the characteristic of a field k is odd, any infinitesimal subgroup scheme of PGL2,k lifts to SL2,k. This is not true in characteristic 2 and, in this case, we give a complete description, up to isomorphism, of infinitesimal unipotent subgroup schemes of PGL2,k. Finally, we prove a result that gives an explicit description of all infinitesimal commutative unipotent k-group schemes with one-dimensional Lie algebra defined over an algebraically closed field k, showing that there are exactly n non-isomorphic such group schemes of fixed order pn
Zuanon, Magali. "Les incidences de la liquidité imparfaite sur le marché des actions : réflexions et validations sur le marché français". Paris 9, 2000. https://portail.bu.dauphine.fr/fileviewer/index.php?doc=2000PA090071.
Texto completo da fonteMorel, Christophe. "Bulle, engouement et formation des anticipations". Paris 9, 2000. https://portail.bu.dauphine.fr/fileviewer/index.php?doc=2000PA090072.
Texto completo da fonteCoutant, Sophie. "Contenu en informations dans les prix d'options : estimation de la densité neutre au risque du sous-jacent et applications". Paris 9, 2001. https://portail.bu.dauphine.fr/fileviewer/index.php?doc=2001PA090024.
Texto completo da fonteThis thesis is concerned by the information content in option prices. More precisely, a first part consists in estimating the risk neutral distribution of the option underlying asset. In a second part, we study the feasible applications of the knowledge of this risk neutral density : expectations analysis of markets participants using confidence intervals, tests of expectation hypothesis, estimation of market participants risk aversion function
Liendo, Alvaro. "T-variétés affines : actions du groupe additif et singularités". Phd thesis, Grenoble, 2010. http://www.theses.fr/2010GRENM015.
Texto completo da fonteAT -variety is an algebraic variety endowed with an effective action of an algebraic toms T. This thesis is devoted to the study of two aspects of normal affine T-varieties: the additive group actions and the characterization of singularities. Let X=spec A be a normal affine T-variety and let D be a homogeneous locally nilpotent derivation on the normal affine Z"n-graded domain A, so that D generates an action of the additive group on X. We provide a complete classification of pairs (X,D) in three cases: for toric varieties, in the case where the complexity is one, and in the case where D is of fiber type. As an application, we compute the homogeneous Makar-Limanov (ML) invariant of such varieties. We deduce that any variety with trivial ML-invariant is birationally decomposable as Y\times P"2, for sorne variety Y. Conversely, given a variety Y, there exists an affine T-variety X with trivial ML invariant birational to Y\times P"2. Ln the second part concerning singularities of a T-variety X we compute the higher direct images of the structure sheaf of a desingularization of X. As a consequence, we give a criterion as to when a T-variety has rational singularities. We also provide a condition for a T-variety to be Cohen¬Macaulay. As an application, we characterize quasihomogeneous elliptic singularities of surfaces
Liendo, Alvaro. "T-variétés affines : actions du groupe additif et singularités". Phd thesis, Université de Grenoble, 2010. http://tel.archives-ouvertes.fr/tel-00592274.
Texto completo da fonteTacheix, Thierry. "L'influence des variables financières sur l'emploi : France 1970-1988". Clermont-Ferrand 1, 1991. http://www.theses.fr/1991CLF10007.
Texto completo da fonteWilliams, Benjamin. "Efficience informationnelle et équilibre du marché boursier des actions : spéculation rationnelle et anomalies". Clermont-Ferrand 1, 1998. http://www.theses.fr/1998CLF10195.
Texto completo da fonteThe thesis treats the problem of the informational efficiency of developed countries' stock markets. In the first chapter, we analyse samuelson's equilibria, which have been used to test efficiency since the sixties. The results of these tests, applied to French and American stock markets, are presented in the second chapter. These tests show evidence against the joint hypothesis of informational efficiency and samuelson's equilibria. The third chapter reviews the literature explaining the anomalies, cited in chapter two, by the following models : equilibrium models of rational expectations versus informational inefficiency and irrationality. But none of these theories are fully satisfactory. Indeed, stock markets are informationally efficient but samuelson's model must be replaced by an equilibrium model which deals with rational speculators. The fourth chapter presents the general properties of rational speculation equilibria. In the fifth chapter, we show that this model entails the stylized facts described by the anomalies. Finally, in the sixth chapter, we show that our model can be applied to a particular stock market - the paris stock exchange - for which the joint hypothesis of informational efficiency and rational speculation equilibrium is not rejected
Boussicault, Adrien. "Action du groupe symétrique sur certaines fractions rationnelles ; suivi de Puissances paires du Vandermonde". Phd thesis, Université Paris-Est, 2009. http://tel.archives-ouvertes.fr/tel-00502471.
Texto completo da fonteBohn, Pierre. "Conception rationnelle, synthèse et évaluation préclinique de nouvelles molécules actives contre la maladie d'Alzheimer". INSA de Rouen, 2006. http://www.theses.fr/2006ISAM0006.
Texto completo da fonteLivros sobre o assunto "Actions rationnelles"
Marty, Fabrice. Action économique et adaptations rationnelles: Gestion par les firmes agro-alimentaires d'un produit protégé soumis à un règlement technique. 1998.
Encontre o texto completo da fonteLaver, Michael John. Private Desires, Political Action: An Invitation to the Politics of Rational Choice. Sage Publications Ltd, 1997.
Encontre o texto completo da fonteLaver, Michael John. Private Desires, Political Action: An Invitation to the Politics of Rational Choice. SAGE Publications, Incorporated, 1997.
Encontre o texto completo da fonteCapítulos de livros sobre o assunto "Actions rationnelles"
Sosoe, Lukas. "Action rationnelle et action morale". In Les limites de la rationalité. Tome 1, 371–96. La Découverte, 2003. http://dx.doi.org/10.3917/dec.dupuy.2003.01.0371.
Texto completo da fonteDELL'OMODARME INVERNIZZI, Marco. "Anthorpobscénités et gymnastique pédagogique." In Expériences pédagogiques depuis l'Anthropocène, 139–48. Editions des archives contemporaines, 2021. http://dx.doi.org/10.17184/eac.5548.
Texto completo da fonteBRETON, Justine. "Comprendre les épidémies des séries arthuriennes au regard de la pandémie de 2020". In Les épidémies au prisme des SHS, 45–54. Editions des archives contemporaines, 2022. http://dx.doi.org/10.17184/eac.5989.
Texto completo da fonteDrąg, Zbigniew. "Les stratégies de la vie quotidienne des agriculteurs polonais". In Sociologie des mondes ruraux en Pologne et en France : terrains et études. Wydawnictwo Uniwersytetu Łódzkiego, 2023. http://dx.doi.org/10.18778/8331-165-4.06.
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