Tesi sul tema "Combinatoire"
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Fossat, Jean-Michel. "La combinatoire". Lyon 3, 1987. http://www.theses.fr/1987LYO31019.
Testo completoThis thesis studies two main ideas of leibniz's de arte combinatoria and their developments during the last three centuries. The first of these two ideas is the generation of a totality by combinations of primitive elements. The second is the concept of expression or isomorphism in the contemporary mathematics. From a philosophical point of vew. This work shows the irreducible opposition between calculating reason and organic reason
Lass, Bodo. "Calcul combinatoire ensembliste". Université Louis Pasteur (Strasbourg) (1971-2008), 2001. http://www.theses.fr/2001STR13173.
Testo completoDelobel, Philippe. "De la combinatoire". Grenoble 2 : ANRT, 1987. http://catalogue.bnf.fr/ark:/12148/cb376044411.
Testo completoZhou, Jian-Hua. "Combinatoire des dérivations". Marne-la-Vallee, 1996. http://www.theses.fr/1996MARN0003.
Testo completoGiraudo, Samuele. "Combinatoire algébrique des arbres". Phd thesis, Université Paris-Est, 2011. http://pastel.archives-ouvertes.fr/pastel-00674619.
Testo completoDasse-Hartaut, Sandrine. "Combinatoire des tableaux escalier". Paris 7, 2014. http://www.theses.fr/2014PA077070.
Testo completoA relatively new combinatorial structure, called staircase tableaux, was introduced in recent work of S. Corteel and L. Williams. Staircase tableaux are a generalisation of permutation tableaux and alternative tableaux. Their study gave a combinatorial formula for the moments of Askey-Wilson polynomials. Staircase tableaux are also related to the asymmetric exclusion process on a one-dimensional lattice with open boundaries (ASEP), an important and heavily studied particle model in statistical mechanics. The study of the generating function of the staircase tableau has given a combinatorial formula for the steady state probability of the ASEP. We use differents approaches to study the staircase tableaux : with a probabilistic approach, we prove the asymptotic normality of some parameters of the staircase tableaux ; with bijective combinatorics, we get the properties of some subsets of staircase tableaux, using for example tree-like tableaux or permutations. Finally, a Markov chain on a subset of staircase tableaux confirms intuitively the formula for the steady state probability without using the matrix ansatz
PROSPER, VINCENT. "Combinatoire des polynomes multivaries". Paris 7, 1999. http://www.theses.fr/1999PA077208.
Testo completoChampeimont, Raphael. "Combinatoire des mutations génétiques". Thesis, Paris 6, 2014. http://www.theses.fr/2014PA066636/document.
Testo completoIn a first part, I show the work I have done on molecular evolution. I present the general biological background and the measures that allow us to detect both conservation and coevolution at the amino-acid level. Then, I present an application of these measures to the detection of critical residues in the cancer protein P53. To this end, I have made a benchmark of different prediction methods. I then use the same methodology on a large scale database of pathogenic mutations linked to genetic diseases. After that, I show how residue-level coevolution can help us discover protein-protein interactions in the hepatitis C virus. Finally, I present the PruneTree algorithm, which allows filtering sequence sets used as input for molecular coevolution detection methods. In a second part, I have studied evolution at the genome level, in particular the recombination mechanisms that occur during meiosis. I have looked at the recombination rates along the genomes and its primary cause, the double-strand breaks, but also at the density of other proteins involved in recombination. I also present a method based on Fourier transforms to analyze these genomic signals, and a model for the distribution along the genome of double-strand breaks and recombination proteins. Finally, I present the other tools I have developed. I describe a novel algorithm that can simulate the evolution of genomes in order to benchmark the phylogenetic reconstruction algorithm PhyChro. Finally, I present the R-CLAG package that allows for easy use of the clustering algorithm CLAG
Champeimont, Raphael. "Combinatoire des mutations génétiques". Electronic Thesis or Diss., Paris 6, 2014. http://www.theses.fr/2014PA066636.
Testo completoIn a first part, I show the work I have done on molecular evolution. I present the general biological background and the measures that allow us to detect both conservation and coevolution at the amino-acid level. Then, I present an application of these measures to the detection of critical residues in the cancer protein P53. To this end, I have made a benchmark of different prediction methods. I then use the same methodology on a large scale database of pathogenic mutations linked to genetic diseases. After that, I show how residue-level coevolution can help us discover protein-protein interactions in the hepatitis C virus. Finally, I present the PruneTree algorithm, which allows filtering sequence sets used as input for molecular coevolution detection methods. In a second part, I have studied evolution at the genome level, in particular the recombination mechanisms that occur during meiosis. I have looked at the recombination rates along the genomes and its primary cause, the double-strand breaks, but also at the density of other proteins involved in recombination. I also present a method based on Fourier transforms to analyze these genomic signals, and a model for the distribution along the genome of double-strand breaks and recombination proteins. Finally, I present the other tools I have developed. I describe a novel algorithm that can simulate the evolution of genomes in order to benchmark the phylogenetic reconstruction algorithm PhyChro. Finally, I present the R-CLAG package that allows for easy use of the clustering algorithm CLAG
AIt, Yahia Karim. "Techniques de recherche opérationelle appliquées à la gestion d'entrepôts et de terminaux portuaires". Le Havre, 2010. http://www.theses.fr/2010LEHA0018.
Testo completoEl, Ghaziri Hassan. "Algorithmes connexionnistes pour l'optimisation combinatoire /". [S.l.] : [s.n.], 1993. http://library.epfl.ch/theses/?nr=1167.
Testo completoTomasini, Jérôme. "Géométrie combinatoire des fractions rationnelles". Thesis, Angers, 2014. http://www.theses.fr/2014ANGE0032/document.
Testo completoThe main topic of this thesis is to study, thanks to simple combinatorial tools, various geometric structures coming from the action of a complex polynomial or a rational function on the sphere. The first structure concerns separatrix solutions of polynomial or rational vector fields. We will establish several combinatorial models of these planar maps, as well as a closed formula enumerating the different topological structures that arise in the polynomial settings. Then, we will focus on branched coverings of the sphere. We establish a combinatorial coding of these mappings using the concept of balanced maps, following an original idea of W. Thurston. This combinatorics allows us to prove (geometrically) several properties about branched coverings, and gives us a new approach and perspective to address the still open Hurwitz problem. Finally, we discuss a dynamical problem represented by primitive majors. The utility of these objects is to allow us to parameterize dynamical systems generated by the iterations of polynomials. This approach will enable us to construct a bijection between parking functions and Cayley trees, and to establish a closed formula enumerating a certain type of trees related to both primitive majors and polynomial branched coverings
Morcrette, Basile. "Combinatoire analytique et modèles d'urnes". Phd thesis, Université Pierre et Marie Curie - Paris VI, 2013. http://tel.archives-ouvertes.fr/tel-00843046.
Testo completoTannier, Eric. "Evolution Combinatoire, Algorithmique des Chromosomes". Habilitation à diriger des recherches, Université Claude Bernard - Lyon I, 2011. http://tel.archives-ouvertes.fr/tel-00750199.
Testo completoAval, Jean-Christophe. "Combinatoire autour du groupe symétrique". Habilitation à diriger des recherches, Université Sciences et Technologies - Bordeaux I, 2013. http://tel.archives-ouvertes.fr/tel-00978093.
Testo completoDeneufchâtel, Matthieu. "Intégrales Itérées en Physique Combinatoire". Phd thesis, Université Paris-Nord - Paris XIII, 2012. http://tel.archives-ouvertes.fr/tel-00736727.
Testo completoMouyart-Tassin, Annie-Françoise. "Combinatoire constructive : carrés et hyperétoiles". Lille 1, 1985. http://www.theses.fr/1985LIL10076.
Testo completoHivert, Florent. "Combinatoire des fonctions quasi-symétiques". Université de Marne-la-Vallée, 1999. http://www.theses.fr/1999MARN0051.
Testo completoBordat, Jean-Paul. "Sur l'algorithmique combinatoire d'ordres finis". Montpellier 2, 1992. http://www.theses.fr/1992MON20060.
Testo completoRouillon-Couture, Nadine. "Calcul et image en combinatoire". Bordeaux 1, 1994. http://www.theses.fr/1994BOR10626.
Testo completoBoria, Nicolas. "Optimisation combinatoire et environnements dynamiques". Paris 9, 2011. http://basepub.dauphine.fr/xmlui/handle/123456789/7232.
Testo completoDeneufchatel, Matthieu. "Intégrales Itérées en Physique Combinatoire". Paris 13, 2012. http://scbd-sto.univ-paris13.fr/intranet/edgalilee_th_2012_deneufchatel.pdf.
Testo completoWe present several results linked by the tools and by the underlying structures we use (iterated integrals, shuffle products). In the first part, we are interested in the computation of integrals of Selberg type and in their asymptotics when the number of variables tends to infinity. In the general case, we show that the result can be expressed as a product whose number of factors does not depend on the number of variables (under certain conditions). If the power of the Vandermonde determinant equals 2, the limit of the integral when the number of variables tends to infinity can be computed with operators related to Newton’s interpolation. The second part has two sections which are related to special functions called hyperlogarithms. We start with the question of the linear independence of a family of functions obtained by iterated integrals and give a criterion that links the properties of the whole family to the behavior of the functions obtained by simple integrals. We show how to construct the required fields of germs of analytic functions which play an important role. Several examples allow us to extend the known results. Then we come back to the free algebra and the properties of dual families, our main interest being Schützenberger’s factorisation. We recall some classical results in the partially commutative case ; then we consider the family obtained by dualisation from the Lyndon words. It is not possible to write the factorisation for these dual families but we make precise the nature of the elements of the family obtained by duality. Finally, we present a criterion that gives a condition on the dual families for the factorisation to hold
Chung, Yerim. "Optimisation combinatoire inverse et applications". Paris 1, 2010. http://www.theses.fr/2010PA010009.
Testo completoLévy, Bruno. "Topologie Algorithmique : combinatoire et Plongement". Vandoeuvre-les-Nancy, INPL, 1999. http://www.theses.fr/1999INPL094N.
Testo completoLaubie, Paul. "Combinatoire, homotopie et plongements d’opérades". Electronic Thesis or Diss., Strasbourg, 2024. http://www.theses.fr/2024STRAD008.
Testo completoAlgebraic operads are an algebraic tool for encoding some varieties of algebras, not necessarily associative, such as Lie algebras or pre-Lie algebras. Moreover, algebraic operads can themselves be viewed as algebras in a well-chosen category. This observation allows the study of operads using the powerful tools of homological algebra. Simultaneously, the monoidal category where the monoid objects are operads is the category of combinatorial species equipped with plethysm. This enables a very combinatorial perspective on operads, providing explicit descriptions of the considered objects. These two approaches synergize well together, and this thesis will focus on the interaction between these two viewpoints. Indeed, we will use homotopical tools such as operadic Koszul duality to obtain combinatorial information on the operads we study. We then use this information to derive combinatorial descriptions that allow for explicit computations. This thesis is divided into three parts. The first part is an introduction to the theory of species. Next, we provide an introduction to the theory of algebraic operads and operadic Koszul duality. Finally, we compute descriptions of operads and apply them to prove a conjecture by Dotsenko on embedding the operad encoding the algebraic structure on the vector field of Frobenius manifolds
El, Maftouhi Abdelhakim. "Méthodes probabilistes en combinatoire et théorie des graphes". Paris 11, 1994. http://www.theses.fr/1994PA112408.
Testo completoRebreyend, Pascal. "Algorithmes génétiques hybrides en optimisation combinatoire". Phd thesis, Ecole normale supérieure de lyon - ENS LYON, 1999. http://tel.archives-ouvertes.fr/tel-00010950.
Testo completoOuld, Mohamed Lemine Mohamed. "Connaissance inter-entreprises et optimisation combinatoire". Thesis, Paris 9, 2014. http://www.theses.fr/2014PA090015/document.
Testo completoThe inter-companies knowledge allows to every partner to learn about its customers, its suppliers and to develop its activity. Also this permits to limit the risk related to the creditworthiness, or the late payment of its partners. With the cash flow pressures, the need for growth and increased competition, this area becomes more strategic than ever, for both small (PME) and large groups. The amount of data processed in this domain, the requirements of quality and freshness, the need to cross these data to obtain new information and indicators, yield several optimization problems for which the recent techniques and computational tools can bring effective solutions. In this thesis, we use combinatorial optimization, text algorithms as well as graph theory to solve efficiently problems arising in the field of inter-companies knowledge. In particular, such problems was encountered in Altares D&B. First, we focus on the quality of the managers database. This problem combines the detection and removal of duplicates in a database, as well as the error detection in a string. We propose a method for solving this problem, based on data normalization, text algorithms and syntactic comparison between two strings. Our experimental results show that this method is relevant for the detection and removal of duplicates, and it is also very efficient in terms of processing time. In a second part of the thesis, we address a problem related to the data of ownership links. We compute the indirect links, and identify the group heads. We propose a method for solving this problem using graph theory and combinatorial optimization. We then perform a set of experiments on several real-world instances. The computational results show the effectiveness of our method in terms of CPU-time and resource allocation. In fact, the CPU time for computation increases logarithmically with the size of the instances. Finally, we consider the problem of identifying influence networks. We give a description of this problem in terms of graphs, and show that it can reduce to a graph partitioning problem. The latter is NP-hard. We then propose an integer linear programming formulation to model the problem. We investigate the associated polyhedron and describe several classes of valid inequalities. We give some necessaryand sufficient conditions for these inequalities to define facets of the considered polyhedron, and we discuss the related separation problems. Based on the obtained polyhedral results, we devise a Branch-and-Cut algorithm to solve the problem. Some numerical results are presented to show the efficiency of our algorithm
Laburthe, François. "Contraintes et algorithmes en optimisation combinatoire". Paris 7, 1998. http://www.theses.fr/1998PA077236.
Testo completoVERHOEVEN, YANN. "Quelques utilisations des arbres en combinatoire". Paris 11, 2001. http://www.theses.fr/2001PA112160.
Testo completoLE, GALL ARMELLE. "Incrementalite et adaptativite en optimisation combinatoire". Paris 11, 1997. http://www.theses.fr/1997PA112356.
Testo completoNovelli, Jean-Christophe. "Combinatoire des tableaux et des rubans". Paris 7, 1999. http://www.theses.fr/1999PA077185.
Testo completoINCITTI, ROBERTO. "Combinatoire des groupes a croissance polynomiale". Paris 7, 1995. http://www.theses.fr/1995PA077209.
Testo completoKoubi, Vassilada. "Reseaux de neurones et optimisation combinatoire". Paris 5, 1994. http://www.theses.fr/1994PA05S014.
Testo completoBENCHEKROUN, SAAD. "Combinatoire bijective des systemes de parenthesages". Paris 6, 1994. http://www.theses.fr/1994PA066486.
Testo completoJambu, Michel. "Arrangements d'hyperplans : topologie, geometrie et combinatoire". Nantes, 1989. http://www.theses.fr/1989NANT2040.
Testo completoLibralesso, Luc. "Recherches arborescentes anytime pour l'optimisation combinatoire". Thesis, Université Grenoble Alpes, 2020. http://www.theses.fr/2020GRALM026.
Testo completoTree search algorithms are used in a large variety of applications (MIP, CP, SAT, metaheuristics with Ant Colony Optimization and GRASP) and also in AI/planning communities. All of these techniques present similar components and many of those components can be transferred from one community to another. Preliminary results indicate that anytime tree search techniques are competitive compared to commonly used metaheuristics in operations research.In this work, we detail a state of the art and a classification of the different tree search techniques that one can find in metaheuristics, exact methods and AI/planning. Then, we present a generic framework that allows the rapid prototyping of tree search algorithms. Finally, we use this framework to develop anytime tree search algorithms that are competitive with the commonly-used metaheuristics in operations research. We report new tree search applications for some combinatorial optimization problems and new best-known solutions
HOUDAYER, JEROME. "Verres de spins et optimisation combinatoire". Paris 11, 1999. http://www.theses.fr/1999PA112205.
Testo completoHillairet, Caroline. "Catalyse combinatoire pour la polymérisation d'oléfines". Rennes 1, 2003. http://www.theses.fr/2003REN10063.
Testo completoJolivet, Timothée. "Combinatoire de substitutions de type Pisot". Paris 7, 2013. http://www.theses.fr/2013PA077146.
Testo completoSubstitutions are mappings which replace each symbol of a given alphabet by a word over the same alphabet. They naturally act over infinite sequences of symbols, and produce highly ordered Systems with many properties. This thesis concerns a particular class with algebraic restrictions, Pisot substitutions, and their related objects of dynamical, fractal o combinatorial nature. We begin with the combinatorial study of some qualitative properties of the two-dimensional patterns generated by iterating a two-dimensional "dual" version of Pisot substitutions. We apply these results to study the infinite families of substitutions obtained by taking arbitrary products over a finite set of Pisot substitutions. Applications include dynamica properties of the associated symbolic Systems, some language theoretical characterization of some topological properties of their associated Rauzy fractals, some number-theoretical properties of their associated Pisot numbers, and some results in discrete geometry. Particular focus is set on the substitutions associated with the Arnoux-Rauzy, Brun and Jacobi-Perron multidimensional continued fraction algorithms Next we give explicit construction to give a complete description of the possible fondamental groups of planar Rauzy fractals in the case where the group is countable. In the last two chapters, we "step back" from the Pisot algebraic assumption to study some more general objects arising from the combinatorial tools used in the previous chapters, focusing on some computational (un)decidability questions
Rebreyend, Pascal. "Algorithmes genetiques hybrides en optimisation combinatoire". Lyon, École normale supérieure (sciences), 1999. http://www.theses.fr/1999ENSL0108.
Testo completoHocini, Fadila. "Combinatoire énumérative de plusieurs structures finies". Paris 6, 1986. http://www.theses.fr/1986PA066210.
Testo completoPirillo, Giuseppe. "Contribution à la combinatoire des mots". Paris 7, 2007. http://www.theses.fr/2007PA077159.
Testo completoWe study: a)a special case of unavoidable reguiarities, the repetitivity introduced and studied by Justin. This field is in relation with the results of Thue, the Theorem of Ramsey and the Theorem of van der Waerden; b) the notion of permutable semigroupe (in relation with the Theorem of Shirshov) and some finiteness conditions forfinitely generated semigroups. C) the Sturmians words (of which the study, very old, has recently progressed under the impulsion of many interesting contributions of Berstel) and the episturmian words. We also mention some our recent contributions to the theoretical biology and some contributions to mathematical and computer science education. This work is not a survey of our research activity and does not contain a detailed analysis of our results but is a moment of reflexion in order to better organize our future work
Delecroix, Vincent. "Combinatoire et dynamique du flot de Teichmüller". Phd thesis, Université de la Méditerranée - Aix-Marseille II, 2011. http://tel.archives-ouvertes.fr/tel-00653165.
Testo completoEric, Fusy. "Combinatoire des cartes planaires et applications algorithmiques". Phd thesis, Ecole Polytechnique X, 2007. http://pastel.archives-ouvertes.fr/pastel-00002931.
Testo completoChapuy, Guillaume. "Combinatoire bijective des cartes de genre supérieur". Phd thesis, Ecole Polytechnique X, 2009. http://pastel.archives-ouvertes.fr/pastel-00005289.
Testo completoDelanoy, Ewan. "Définition combinatoire des polynômes de Kazhdan-Lusztig". Phd thesis, Université Claude Bernard - Lyon I, 2006. http://tel.archives-ouvertes.fr/tel-00137528.
Testo completod'isométries, permet de relier entre eux divers domaines d'algèbre et de
géométrie, allant de la théorie des representations (des groupes de Coxeter
et de Lie, des algèbres de Lie et de Hecke) et de la géométrie algébrique
(variétés de Schubert) à la combinatoire (ordre de Bruhat). Les polynômes
de Kazhdan-Lusztig apparaissent sous des formes assez différentes dans plusieurs
de ces domaines : ces polynômes
peuvent être définis comme coordonnées d'une base
remarquable de l'algèbre de Hecke (ce qui donne une représentation non triviale
de cette algèbre), leur valeur au point 1 intervient dans la décomposition de certains
modules de Verma, et leur coefficients peuvent être interprétés comme des dimensions
de certains espaces d'homologie locale. La définition originale de ces polynômes
se traduit par une formule de récurrence compliquée qui conduit naturellement à
s'interroger sur une éventuelle définition purement combinatoire. Ce rapport essaye
de montrer quelques développements récents dans les tentatives de réponse à cette
question. Notre résultat principal est le suivant : un isomorphisme entre
deux intervalles initiaux préserve les polynômes de Kazhdan-Lusztig. Nous explicitons
également des arguments (théoriques et calculatoires)
tendant à confirmer la conjecture que cela reste vrai pour un isomorphisme entre des intervalles
complètement compressibles dans des groupes de Coxeter finis.\newline
Mots-clés : groupe de Coxeter, polynôme de Kazhdan-Lusztig,
sous-groupe de réflections, intervalle de Bruhat, couplage distingué,
intervalle complètement compressible
Darlay, Julien. "Analyse combinatoire de données : structures et optimisation". Phd thesis, Université de Grenoble, 2011. http://tel.archives-ouvertes.fr/tel-00683651.
Testo completoLe, Bodic Pierre. "Variantes non standards de problèmes d'optimisation combinatoire". Thesis, Paris 11, 2012. http://www.theses.fr/2012PA112190.
Testo completoThis thesis is composed of two parts, each part belonging to a sub-domain of combinatorial optimization a priori distant from the other. The first research subject is stochastic bilevel programming. This term regroups two research subject rarely studied together, namely stochastic programming on the one hand, and bilevel programming on the other hand. Mathematical Programming (MP) is a set of modelisation and resolution methods, that can be used to tackle practical problems and help take decisions. Stochastic programming and bilevel programming are two sub-domains of MP, each one of them being able to model a specific aspect of these practical problems. Starting from a practical problem, we design a mathematical model where the bilevel and stochastic aspects are used together, then apply a series of transformations to this model. A resolution method is proposed for the resulting MP. We then theoretically prove and numerically verify that this method converges. This algorithm can be used to solve other bilevel programs than the ones we study.The second research subject in this thesis is called "partial cut and cover problems in graphs". Cut and cover problems are among the most studied from the complexity and algorithmical point of view. We consider some of these problems in a partial variant, which means that the cut or cover property that is looked into must be verified partially, according to a given parameter, and not completely, as it was the case with the original problems. More precisely, the problems that we study are the partial multicut, the partial multiterminal cut, and the partial dominating set. Versions of these problems were vertices are
Nunge, Arthur. "Combinatoire énumérative et algébrique autour du PASEP". Thesis, Paris Est, 2018. http://www.theses.fr/2018PESC1116/document.
Testo completoThis thesis comes within the scope of enumerative and algebraic combinatorics and studies the probabilities of the partially asymmetric exclusion process (PASEP).First, we bijectively prove a conjecture of Novelli-Thibon-Williams concerning the combinatorial interpretation of the entries of the transition matrices between some bases of the noncommutative symmetric functions algebra. More precisely, these matrices correspond to the transition matrices of, on the one hand the complete and ribbon bases and on the other hand the monomial and fundamental bases, both introduced by Tevlin. The coefficients of these matrices provide a refinement of the probabilities of the PASEP and are described using new statistics on permutations. This conjecture states that this refinement can also be described using classical statistics of the PASEP. In the second part, we study a generalization of the PASEP using two kinds of particles: the 2-PASEP. Hence, we give several combinatorial interpretations of the probabilities of this model. In order to do so, we define a new family of paths generalizing the Laguerre histories: the marked Laguerre histories. We also generalize the Françon-Viennot bijection between Laguerre histories and permutations to define partially signed permutations giving another combinatorial interpretation of these probabilities. In a third part, we generalize Tevlin's work in order to define a monomial basis and a fundamental basis on the algebra over segmented compositions. In order to describe the transition matrices between these bases and other bases already known in this algebra, we define an algebra indexed by partially signed permutations using the statistics previously defined to describe the combinatorics of the 2-PASEP. We also define some q-analogues of these bases related to the probabilities of the 2-PASEP according to the q parameter of this model. Finally, using the fact that partially signed permutations and segmented permutations are in bijection, we use the statistics defined previously to define descents on these objects and get a generalization of the Eulerian polynomials on segmented permutations. To study these polynomials, we use the algebraic tools introduced in the previous part