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Статті в журналах з теми "Surfaces à petits carreaux":
Argenton, Cédric. "Grandes surfaces, petits commerces." Commentaire Numéro121, no. 1 (2008): 311. http://dx.doi.org/10.3917/comm.121.0311.
Bonnotte, Laurent. "De la relative pauvreté sensori-motrice des images interactives pour les tout-petits." Contraste N° 57, no. 1 (March 20, 2023): 243–59. http://dx.doi.org/10.3917/cont.057.0243.
Tatareau, J. C., G. Lalaus, J. Pensedent Erblon, Elie Shitalou, P. Milhet, Nicolas Barré, and Gérard Matheron. "L'élevage des petits ruminants en Martinique, Guadeloupe et Guyane : situation actuelle." Revue d’élevage et de médecine vétérinaire des pays tropicaux 44, special (May 1, 1991): 5–10. http://dx.doi.org/10.19182/remvt.9244.
Palé, Sié, Farid Traoré, Joost Wellens, Cyrille Bassolo Baki, Aboubakar Sako, and Bernard Tychon. "Estimation des surfaces irriguées ripariennes à l’aide de Earth Engine. Une étude de cas dans le sous-bassin versant de la Haute-Comoé, Burkina Faso." Cahiers Agricultures 33 (2024): 1. http://dx.doi.org/10.1051/cagri/2023023.
Cosandey, C. "Formation des crues «cévenoles» dans des bassins élémentaires du Mont Lozère." Revue des sciences de l'eau 7, no. 4 (April 12, 2005): 377–93. http://dx.doi.org/10.7202/705207ar.
Javelaud, Emmanuel, and Jean-François Semblat. "Peut-on modifier l’effet de site sismique ?" Revue Française de Géotechnique, no. 170 (2022): 3. http://dx.doi.org/10.1051/geotech/2022001.
Aubréville, André, and Ilona Bossanyi. "Secondary Forests in Equatorial Africa Côte d’Ivoire - Cameroon - F. E. A." BOIS & FORETS DES TROPIQUES 323, no. 323 (January 7, 2015): 19. http://dx.doi.org/10.19182/bft2015.323.a31241.
Allard, Pierre. "Variabilité des débitages laminaires au Second Mésolithique et au Néolithique ancien dans le nord de la France (VIIe et VIe millénaire BCE)." Journal of Lithic Studies 4, no. 2 (September 15, 2017): 75–103. http://dx.doi.org/10.2218/jls.v4i2.2538.
GUYOMARD, H., B. COUDURIER, and P. HERPIN. "Avant-propos." INRAE Productions Animales 22, no. 3 (April 17, 2009): 147–50. http://dx.doi.org/10.20870/productions-animales.2009.22.3.3341.
Musiker, Gregg, and Ralf Schiffler. "Cluster algebras of unpunctured surfaces and snake graphs." Discrete Mathematics & Theoretical Computer Science DMTCS Proceedings vol. AK,..., Proceedings (January 1, 2009). http://dx.doi.org/10.46298/dmtcs.2685.
Дисертації з теми "Surfaces à petits carreaux":
Cheboui, Smail. "Intersection Algébrique sur les surfaces à petits carreaux." Electronic Thesis or Diss., Montpellier, 2021. http://www.theses.fr/2021MONTS006.
We study the quantity denoted Kvol defined by KVol(X,g) = Vol(X,g)*sup_{alpha,beta} frac{Int(alpha,beta)}{l_g (alpha)l_g(beta)} where X is a compact surface of genus s, Vol(X,g) is the volume (area) of the surface with respect to the metric g and alpha, beta two simple closed curves on the surface X.The main results of this thesis can be found in Chapters 3 and 4. In Chapter 3 titled "Algebraic intersection for translation surfaces in the stratum H(2)" we are interested in the sequence of kvol of surfaces L(n,n) and we provide that KVol(L(n,n)) goes to 2 when n goes to infinity. In Chapter 4 titled "Algebraic intersection for translation surfaces in a family of Teichmüller disks" we are interested in the Kvol for a surfaces belonging to the stratum H(2s-2) wich is an n-fold ramified cover of a flat torus. We are also interested in the surfaces St(2s-1) and we show that kvol(St(2s-1))=2s-1. We are also interested in the minimum of Kvol on the Teichmüller disk of the surface St(2s-1) which will be (2s-1)sqrt {frac {143}{ 144}} and it is achieved at the two points (pm frac{9}{14}, frac{sqrt{143}}{14})
Cabrol, Jonathan. "Origamis infinis : groupe de veech et flot linéaire." Thesis, Aix-Marseille, 2012. http://www.theses.fr/2012AIXM4323/document.
An origami, or a square-tiled surface, is the simplest example of translation surface. An origami can be viewed as a finite collection of identical squares, glued together along their edges. We can study the linear flow on this origami, which is the geodesic flow for this kind of surfaces. This dynamical system is related to the dynamical system of billiard, or interval exchange transformations. We can also study the Veech group of an origami. The special linear group acts on the space of translation surface, and the Veech group of an origami is the stabilizer of this origami under this action. We know in particular that the Veech group is a fuchsian group. In this thesis, we work on some example of infinite origamis. These origamis are constructed as Galois covering of finite origamis. In these examples, the deck group will be an abelian group, a niltpotent group or something more difficult
Gatse, Franchel. "Spectre ordonné et branches analytiques d'une surface qui dégénère sur un graphe." Electronic Thesis or Diss., Orléans, 2020. http://www.theses.fr/2020ORLE3205.
In this work, we give a general framework of Riemannian surfaces that can degenerate on metric graphs and that we call surfaces made from cylinders and connecting pieces. The latter depend on a parameter t that describes the degeneration. When t goes to 0, the waists of the cylinders go to 0 but their lengths stay fixed. We thus obtain the edges of the limiting graph. The connecting pieces are squeezed in all directions and degenerate on the vertices of the limiting graph. We then study the asymptotic behaviour of the spectrum of these surfaces when t varies from two different points of view, considering the spectrum either as a sequence of ordered eigenvalues or as a collection of analytic eigenbranches. In the case of ordered eigenvalues, we recover a rather classical statement, and prove that the spectrum converges to the spectrum of the limiting object. The study of the analytic eigenbranches is more original. We prove that any such eigenbranch converges and we give a characterisation of the possible limits. These results apply to translation surfaces on which there is a completely periodic direction
Gutiérrez, Rodolfo. "Combinatorial theory of the Kontsevich–Zorich cocycle." Thesis, Sorbonne Paris Cité, 2019. https://theses.md.univ-paris-diderot.fr/GUTIERREZ_Rodolfo_2_complete_20190408.pdf.
In this work, three questions related to the Kontsevich--Zorich cocycle in the moduli space of quadratic differentials are studied by using combinatorial techniques.The first two deal with the structure of the Rauzy--Veech groups of Abelian and quadratic differentials, respectively. These groups encode the homological action of almost-closed orbits of the Teichmüller geodesic flow in a given component of a stratum via the Kontsevich--Zorich cocycle. For Abelian differentials, we completely classify such groups, showing that they are explicit subgroups of symplectic groups that are commensurable to arithmetic lattices. For quadratic differentials, we show that they are also commensurable to arithmetic lattices of symplectic groups if certain conditions on the orders of the singularities are satisfied.The third question deals with the realisability of certain algebraic groups as Zariski-closures of monodromy groups of square-tiled surfaces. Indeed, we show that some groups of the form SO*(2d) are realisable as such Zariski-closures
Zidna, Ahmed. "Contribution à la modélisation des carreaux troués." Metz, 1990. http://docnum.univ-lorraine.fr/public/UPV-M/Theses/1990/Zidna.Ahmed.SMZ9018.pdf.
Berroug, Mohamed. "Contribution à la résolution du problème d'intersection de deux carreaux de surfaces." Metz, 1995. http://docnum.univ-lorraine.fr/public/UPV-M/Theses/1995/Berroug.Mohamed.SMZ9534.pdf.
The research of intersection curves of two parametric surfaces is one of the most delicat and indisponsable operation for modeling complex shapes. The difficulties are : tangentiel intersection, small loops and the representation of the intersection by a piecewise linear approximation. In this thesis, we developp the two existant methods : recursive subdivision and tracing methods. For the first, we developp the two tests defining the method : separating and flatness tests. We had implement the method in many versions. An experimental implentation helps us to choose the best one. For the second method, we developp a tracing procedure for regular curves using the intrinsic proprities of the treated curve. The use of the notion of oriented function distance and the strategy of the recurive subdivision method permet to treat tangential intersection (isolated and simple) and small loops are treated
Perna, Éliane. "Modèles de surfaces pour la CFAO, raccordement de carreaux définis par produit tensoriel." Lyon 1, 1992. http://www.theses.fr/1992LYO10236.
Renaut, Erwan. "Reconstruction de la topologie et génération de maillages de surfaces composées de carreaux paramétrés." Troyes, 2009. http://www.theses.fr/2009TROY0032.
Mesh generation of surfaces created by a CAD (computer aided design) system requires an appropriate definition of the topology of the patches composing a surface. So, a surface is constituted by a conforming assembly of patches, each patch is made of a conforming assembly of curved segments, and each curved segment is bounded by its two extremities. These curved segments and end points form the skeleton of the surface, and the topological conformity requires that adjacency relations between patches are expressed in terms of these elementary entities. Since the topological information is rarely provided by the CAD system, we propose to rebuild the squeleton in an automatic way thanks to geometric considerations. Mesh generation using an indirect approach (via the parametric domains) requires to consult very often the parametrization of the analytic surface. This operation is time-wasting and can also make the generation fail when the parametrization presents some singularities (null or undefined derivatives). In order to remedy those problems, we propose to associate the surface with a geometric support. The latter corresponds to a piecewise linear (or quadratic) approximation of the surface. Further, the surface mesh of the object skin is the starting point for building a volumic mesh. To improve the quality of the volumic mesh (or to make its construction possible), we present a surface remeshing method using a proximity criterion
Kusno. "Contribution à la solution du problème de construction et de raccordement géométrique de surfaces développables régulières à l'aide des carreaux de Bézier." Metz, 1998. http://docnum.univ-lorraine.fr/public/UPV-M/Theses/1998/Kusno.SMZ9851.pdf.
The objective of this thesis is to get a solution of the construction and the GC1,2 geometric joint problem of the regular developable surfaces limited by two parallel plans and aided by Bézier patches. The first chapter introduces the definition problem of a plates series supported by two parametric curves as a data. The second chapter presents the bibliographical study about the developable surfaces. This study emphasizes firstly on the theoretical aspect and then, on the evaluation to the existing methods for solving this problem. The third chapter talks about the sufficient condition of the regularity and the classification of the developable surface. The objective of this research is to get a general expression of the developable surface which it can be applied in CAD-CAM and, particularly, for the treatment in this problem. The fourth chapter proposes the construction method of the regular developable Bézier patches defined by two boundary curves lied respectively on two different parallel plans. The discussion is focused essentially on the choice of the real scalar function for controlling the velocity vector of these boundary curves. That method is very applicable for the treatment of the approximation problem of the regular ruled surface limited by two parallel plans. The fifth chapter presents some equations of the GCU geometric continuity condition between two regular developable Bézier patches. The sixth chapter assures some advantages of this method by comparing with the existing methods in the naval designing
Michel, Dominique. "Contribution à la conception, la mise en oeuvre et l'amélioration des algorithmes de calcul des intersections de carreaux NURBS." Metz, 1992. http://docnum.univ-lorraine.fr/public/UPV-M/Theses/1992/Michel.Dominique.SMZ9211.pdf.
Solid objects shape modelling is a basic sight of CAD. The shape of a solid is usually defined by assembling several surfaces (Boundary representation). Many mathematic surface models, suitables for CAD/CAM have been built. This paper deals with NURBS (Non Uniform Rational B-spline) surfaces ; they generalize the Bézier Patches and provide an exact representation of quadric surfaces. Building objects by assembling several patches leads the solid modeler to be able to trim the surface patches and, hence, to be able to compute intersections between surfaces. In this report we study the different ways to solve the problem parametric surface-parametric surface intersection. The standard methods are recalled. We mean : the well known divide and conquer method which reduces the general problem to the case of flat surfaces intersection ; Farouki's method which deals with the case of parametric surface implicit surface intersection ; the tracing algorithm which computes a sequence of close-set points along the intersection curve. The three approaches are interesting, they suit to differents sights of the same problem. Some solutions which try to combine the different advantages, are developped. A new simplifying NURBS patches algorithm which generalizes the first standard method is designed ; its associates recursive subdivision and degree decrease. The resultant's theory provides a complete solution of the problem degree 2 rational curve-bicadric rational patche intersection. It can be efficiently applied to the computation of intersection curves. At last an algorithm based on the tracing curves scheme is implemented. In this algorithm, the being built curve is parameterized by the arc length. This allows one to get, for each point, geometric informations which are used to accurate the curve behaviour. They contribute to improve the performance of the algorithm. Uniting these three operations leads to a general algorithm. The main difficulties of builiding intersection curves, detection of closed curves and dealing with singularities are discussed and partially solved in some cases
Книги з теми "Surfaces à petits carreaux":
Ferlut, Nathalie, Oburie, and Oburie. L'Assassin des petits carreaux. DELCOURT, 2021.
Baduraux, Noëlle. Petits Carreaux du Ciel. Independently Published, 2018.
Cahiers, Petits Carreaux. Ingénieur cahier petits carreaux. Independently Published, 2019.
JulietteCarnet. Carnet de Notes Petits Carreaux: Format 14x21 Cm, 48 Pages, Petits Carreaux, 5x5. Independently Published, 2020.
Poulain, Vincent. Carnet Petits Carreaux A4 96 Pages: Un Carnet Au Format A4 Petits Carreaux Pour Prendre Vos Notes. Independently Published, 2020.
Poulain, Vincent. Carnet Petits Carreaux A4 96 Pages: Un Carnet à Petits Carreaux Pour Organiser Vos Prises de Notes. Independently Published, 2020.
Editions, V. V. Cahier de Mathématiques: 100 Pages Petits Carreaux. Independently Published, 2020.
Editions, Angélique. Cahier d'écriture à Petits Carreaux: À Remplir. Independently Published, 2020.
Cahiers, Graphiques. Cahier quadrillé ingénieur: 110 Pages Petits Carreaux. Independently Published, 2019.
Carnets, Engineering. Ingénieur aéronautique: Cahier quadrillé - 110 pages - Petits carreaux. Independently Published, 2019.
Частини книг з теми "Surfaces à petits carreaux":
Gang, Xiao. "Les fibrations avec petits invariants numériques." In Surfaces fibrées en courbes de genre deux, 60–70. Berlin, Heidelberg: Springer Berlin Heidelberg, 1985. http://dx.doi.org/10.1007/bfb0075355.
"petits carreaux." In The Fairchild Books Dictionary of Textiles. Fairchild Books, 2021. http://dx.doi.org/10.5040/9781501365072.11972.