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Academic literature on the topic 'Espace hyperbolique complexe'
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Journal articles on the topic "Espace hyperbolique complexe"
Harchaoui, Mimoun El. "Inversion de la transformation de Pompeiu locale dans les espaces hyperboliques reel et complexe: Cas des deux boules." Journal d'Analyse Mathématique 67, no. 1 (December 1995): 1–37. http://dx.doi.org/10.1007/bf02787785.
Full textDissertations / Theses on the topic "Espace hyperbolique complexe"
Pinoy, Alan. "Géométrie asymptotiquement hyperbolique complexe et contraintes de courbure." Thesis, Université de Montpellier (2022-….), 2022. http://www.theses.fr/2022UMONS024.
Full textIn this thesis, we investigate the asymptotic geometric properties a class of complete and non compact Kähler manifolds we call asymptotically locally complex hyperbolic manifolds.The local geometry at infinity of such a manifold is modeled on that of the complex hyperbolic space, in the sense that its curvature is asymptotic to that of the model space.Under natural geometric assumptions, we show that this constraint on the curvature ensures the existence of a rich geometry at infinity: we can endow it with a strictly pseudoconvex CR boundary at infinity
Bogdanov, Mikhail. "Triangulations de Delaunay dans des espaces de courbure constante négative." Thesis, Nice, 2013. http://www.theses.fr/2013NICE4139.
Full textWe study triangulations of spaces of constant negative curvature -1 from both theoretical and practical points of view. This is originally motivated by applications in various fields such as geometry processing and neuro mathematics. We first consider Delaunay complexes and Voronoi diagrams in the Poincaré ball, a conformal model of the hyperbolic space, in any dimension. We use the framework of the space of spheres to give a detailed description of algorithms. We also study algebraic and arithmetic issues, observing that only rational computations are needed. All proofs are based on geometric reasoning, they do not resort to any use of the analytic formula of the hyperbolic distance. We present a complete, exact, and efficient implementation of the Delaunay complex and Voronoi diagram in the 2D hyperbolic space. The implementation is developed for future integration into the CGAL library to make it available to a broad public. Then we study the problem of computing Delaunay triangulations of closed hyperbolic surfaces. We define a triangulation as a simplicial complex, so that the general incremental algorithm for Euclidean Delaunay triangulations can be adapted. The key idea of the approach is to show the existence of a finite-sheeted covering space for which the fibers always define a Delaunay triangulation. We prove a sufficient condition on the length of the shortest non-contractible loops of the covering space. For the specific case of the Bolza surface, we propose a method to actually construct such a covering space, by studying normal subgroups of the Fuchsian group defining the surface. Implementation aspects are considered
Bavard, Juliette. "Dynamique topologique sur les surfaces : gros groupe modulaire & classes de Brouwer." Thesis, Paris 6, 2015. http://www.theses.fr/2015PA066514/document.
Full textWe study the mapping class group G of the complement of a Cantor set in the plane and the Brouwer mapping classes of the mapping class group of the complement of Z in the plane. These objects arise naturally in topological dynamics on surfaces. In the first chapter, we study the group G and its action on the ray graph, which is the analog dened by Danny Calegari of the complex of curves for the complement of a Cantor set in the plane. In particular, we show that this graph has infinite diameter and is hyperbolic. We use the action of G on this graph to find an explicit non trivial quasimorphism on G and to show that this group has infinite dimensional second bounded cohomology. We give an example of a hyperbolic element of G with vanishing stable commutator length. In the second chapter, we give new tools for homotopy Brouwer theory. In particular, we describe a canonical reducing set, the set of "walls", which splits the plane into maximal translation areas and irreducible areas. We then focus on Brouwer mapping classes relatively to four orbits and describe them explicitly by adding to Handel's diagram and to the set of walls a "tangle", which is essentially an isotopy class of simple closed curves in the cylinder minus two points
Zhao, Tiehong. "Géométries des réseaux hyperboliques complexes." Paris 6, 2011. http://www.theses.fr/2011PA066613.
Full textKhalfallah, Adel. "L'espace des modules des espaces complexes compacts hyperboliques." Université Joseph Fourier (Grenoble), 2001. http://www.theses.fr/2001GRE10171.
Full textDufour, Guillaume. "Cubulations de variétés hyperboliques compactes." Phd thesis, Université Paris Sud - Paris XI, 2012. http://tel.archives-ouvertes.fr/tel-00690334.
Full textSarazin, Desbois Céline. "Méthodes numériques pour des systèmes hyperboliques avec terme source provenant de physiques complexes autour du rayonnement." Phd thesis, Université de Nantes, 2013. http://tel.archives-ouvertes.fr/tel-00814182.
Full textBenzerga, Mohamed. "Structures réelles sur les surfaces rationnelles." Thesis, Angers, 2016. http://www.theses.fr/2016ANGE0081.
Full textThe aim of this PhD thesis is to give a partial answer to the finiteness problem for R-isomorphism classes of real forms of any smooth projective complex rational surface X, i.e. for the isomorphism classes of R-schemes whose complexification is isomorphic to X. We study this problem in terms of real structures (or antiholomorphic involutions, which generalize complex conjugation) on X: the advantage of this approach is that it helps us rephrasing our problem with automorphism groups of rational surfaces, via Galois cohomology. Thanks to recent results on these automorphism groups, using hyperbolic geometry and, to a lesser extent, holomorphic dynamics and metric geometry, we prove several finiteness results which go further than Del Pezzo surfaces and can apply to some rational surfaces with large automorphism groups
Saleur, Benoît. "Trois problèmes géométriques d'hyperbolicité complexe et presque complexe." Thesis, Paris 11, 2011. http://www.theses.fr/2011PA112256/document.
Full textThis thesis is dedicated to the study of three problems of complex and almost complex hyperbolicity. Its first part is dedicated to the research of a quantitative consequence to Kobayashi hyperbolicity, which is a qualitative property. The result we obtain has the form of an isoperimetric inequality that suggests Ahlfors' inequality, the central result of the theory of covering surfaces. Its proof uses only riemannian tools.The second part of the thesis is dedicated to the proof of an almost complex version of Borel's theorem, which says that an entire curve in the compex preojective plane missing four lines in general position is degenerate. In an almost compex context, we can obtain a similar result for entire J-curves just by replacing projective lines by J-lines. The proof of this result uses central projections and Ahlfors' theory of covering surfaces.The last part is dedicated to the proof of an almost complex version of Bloch's theorem, which says that given a sequence of holomorphic discs in the projective plane, either it is normal, either it converges in some sens to a reunion of three lines. Our result will show in particular that the complementary set of four J-lines in general position is hyperbolic modulo three J-lines
KHALFALLAH, Adel. "L'espace des modules des espaces complexes compacts hyperboliques." Phd thesis, 2001. http://tel.archives-ouvertes.fr/tel-00000864.
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