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Academic literature on the topic 'Algèbre effective'
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Journal articles on the topic "Algèbre effective"
Blanc, G., and N. Bleuzen-Guernalec. "Algèbres effectives dans la programmation logique avec contraintes." RAIRO - Theoretical Informatics and Applications 26, no. 3 (1992): 221–42. http://dx.doi.org/10.1051/ita/1992260302211.
Full textDissertations / Theses on the topic "Algèbre effective"
Sadi, Bounab. "Descente effective du corps de définition des revêtements." Lille 1, 1999. https://pepite-depot.univ-lille.fr/LIBRE/Th_Num/1999/50376-1999-127.pdf.
Full textTête, Claire. "Profondeur, dimension et résolutions en algèbre commutative : quelques aspects effectifs." Thesis, Poitiers, 2014. http://www.theses.fr/2014POIT2288/document.
Full textThis Commutative Algebra thesis focuses mainly on the depth theory. We try to provide an approach without noetherian hypothesis in order to escape prime ideals and to handle only basic and explicit concepts. We study the algebraic complexes of Koszul and Cech and their cohomological properties by using simple results on the cohomology of the totalization of a bicomplex. In the Cech cohomology context we established the long exact sequence of Mayer-Vietoris only with a treatment based on the elements. Another important concept is that of Krull dimension. Its characterization in terms of monoids allows us to show expeditiously the vanishing Grothendieck theorem in Cech cohomology.We also provide an algorithm to complete a omogeneous polynomial in a h.s.o.p.. The depth is closely related to the theory of finite free/projective resolutions. We report a generalization of the Ferrand-Vasconcelos theorem due to Jouanolou. In addition, we review some results involving the depth of the ideals of expected ranks in a finite free resolution.We revisit, in a particular case, a construction due to Tate. This allows us to give an effective projective resolution of the ideal of a point of a smooth hypersurface. Finally, we discuss the regularity theory in dimension 1 by studying invertible ideals and provide an algorithm implemented in Magma computing the ring of integers of a number field
Abdeljaouad, Ines. "Théorie des Invariants et Application à la Théorie de Galois effective." Paris 6, 2000. http://www.theses.fr/2000PA066576.
Full textTrébuchet, Philippe. "Vers une résolution stable et rapide des équations algébriques." Paris 6, 2002. http://www.theses.fr/2002PA066357.
Full textAssi, Abdallah. "Constructions effectives en algèbre commutative." Grenoble 1, 1991. http://www.theses.fr/1991GRE10001.
Full textCharles, Balthazar. "Combinatorics and computations : Cartan matrices of monoids & minimal elements of Shi arrangements." Electronic Thesis or Diss., université Paris-Saclay, 2023. http://www.theses.fr/2023UPASG063.
Full textThis thesis presents an investigation into two distinct combinatorial subjects: the effective computation of Cartan matrices in monoid representation theory and the exploration of properties of minimal elements in Shi arrangements of Coxeter groups. Although disparate, both of these research focuses share a commonality in the utilization of combinatorial methods and computer exploration either as an end in itself for the former or as a help to research for the latter. In the first part of the dissertation, we develop methods for the effective computation of character tables and Cartan matrices in monoid representation theory. To this end, we present an algorithm based on our results for the efficient computations of fixed points under a conjugacy-like action, with the goal to implement Thiéry's formula for the Cartan matrix from [Thiéry '12]. After a largely self-contained introduction to the necessary background, we present our results for fixed-point counting, as well as a new formula for the character table of finite monoids. We evaluate the performance of the resulting algorithms in terms of execution time and memory usage and find that they are more efficient than algorithms not specialized for monoids by orders of magnitude. We hope that the resulting (public) implementation will contribute to the monoid representation community by allowing previously impractical computations. The second part of the thesis focuses on the properties of minimal elements in Shi arrangements. The Shi arrangements were introduced in [Shi '87] and are the object of Conjecture 2 from [Dyer, Hohlweg '14]. Originally motivated by this conjecture, we present two results. Firstly, a direct proof in the case of rank 3 groups. Secondly, in the special case of Weyl groups, we give a description of the minimal elements of the Shi regions by extending a bijection from [Athanasiadis, Linusson '99] and [Armstrong, Reiner, Rhoades '15] between parking functions and Shi regions. This allows for the effective computation of the minimal elements. From the properties of this computation, we provide a type-free proof of the conjecture in Weyl groups as an application. These results reveal an intriguing interplay between the non-nesting and non-crossing worlds in the case of classical Weyl groups
Razet, Benoit. "Machines d'Eilenberg Effectives." Phd thesis, Université Paris-Diderot - Paris VII, 2009. http://tel.archives-ouvertes.fr/tel-00463049.
Full textBusé, Laurent. "Représentations matricielles en théorie de l'élimination et applications à la géométrie." Habilitation à diriger des recherches, Université de Nice Sophia-Antipolis, 2011. http://tel.archives-ouvertes.fr/tel-00593603.
Full textÜrgüplü, Belma Asli. "Contributions to symbolic effective qualitative analysis of dynamical systems : application to biochemical reaction networks." Thesis, Lille 1, 2010. http://www.theses.fr/2010LIL10013/document.
Full textThe goal of my research is to make algorithmic, as much as possible, the study of models composed by parametric differential equations. I focus on the algorithms based on expanded Lie point symmetries for medium size (about twenty variables) models. I present two exact simplification methods: the reduction of the number of variables of a model and its reparametrization in order to distinguish the roles of its parameters. Simplified systems are equivalent to the original ones by implicit or explicit relationships (according to the chosen method). These algorithms, thanks to some computational strategies and restriction of studied objects, are of polynomial time complexity in the input size. They are implemented in the MABSys and the ExpandedLiePointSymmetry packages. Simplified models resulting from these methods allow to perform more easily various studies such as symbolic or numerical qualitative analysis. I illustrate my work on a family of genetic networks with a single self-regulated gene by a complete symbolic qualitative analysis. Even if my principal application example belongs to genetic regulatory networks field, the methods presented in my work are not limited to intracellular biology
Scarponi, Danny. "Formes effectives de la conjecture de Manin-Mumford et réalisations du polylogarithme abélien." Thesis, Toulouse 3, 2016. http://www.theses.fr/2016TOU30100/document.
Full textIn this thesis we approach two independent problems in the field of arithmetic geometry, one regarding the torsion points of abelian varieties and the other the motivic polylogarithm on abelian schemes. The Manin-Mumford conjecture (proved by Raynaud in 1983) states that if A is an abelian variety and X is a subvariety of A not containing any translate of an abelian subvariety of A, then X can only have a finite number of points that are of finite order in A. In 1996, Buium presented an effective form of the conjecture in the case of curves. In this thesis, we show that Buium's argument can be made applicable in higher dimensions to prove a quantitative version of the conjecture for a class of subvarieties with ample cotangent studied by Debarre. Our proof also generalizes to any dimension a result on the sparsity of p-divisible unramified liftings obtained by Raynaud in the case of curves. In 2014, Kings and Roessler showed that the realisation in analytic Deligne cohomology of the degree zero part of the motivic polylogarithm on abelian schemes can be described in terms of the Bismut-Koehler higher analytic torsion form of the Poincaré bundle. In this thesis, using the arithmetic intersection theory in the sense of Burgos, we give a refinement of Kings and Roessler's result in the case in which the base of the abelian scheme is proper
Books on the topic "Algèbre effective"
Perspectives on research on effective mathematics teaching. [Hillsdale, N.J.]: Lawrence Erlbaum Associates, 1988.
Find full textGrouws, Douglas A. Effective Mathematics Teaching (Research agenda for mathematics education). Lawrence Erlbaum Assoc Inc, 1988.
Find full textCooney, Thomas J., and Douglas A. Grouws. Effective Mathematics Teaching (Research Agenda in Mathematics Education). Natl Council of Teachers of, 1988.
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