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The definition of the Kobayashi-Royden pseudo-metric for almost complex manifolds is
similar to its definition for complex manifolds. We study the question of completeness of
some domains for this metric. In particular, we study the completeness of the complement
of submanifolds of co-dimension 1 or 2. The paper includes a discussion, with proofs, of
basic facts in the theory of pseudo-holomorphic discs.
Let be a hyperbolic surface and let be a Laplacian eigenfunction having eigenvalue with . Let be the set of nodal lines of . For a fixed analytic curve of finite length, we study the number of intersections between and in terms of . When is compact and a geodesic circle, or when has finite volume and is a closed horocycle, we prove that is “good” in the sense of [TZ]. As a result, we obtain that the number of intersections between and is . This bound is sharp.
First, we give some characterizations of the Kobayashi hyperbolicity of almost complex manifolds. Next, we show that a compact almost complex manifold is hyperbolic if and only if it has the Δ*-extension property. Finally, we investigate extension-convergence theorems for pseudoholomorphic maps with values in pseudoconvex domains.
Dans cet article, je montre qu’un domaine est hyperbolique pour la pseudodistance intégrée de Carathéodory (c’est-à-dire que est une distance sur ) si et seulement si la pseudodistance de Carathéodory vérifie la propriété de séparation faible suivante : tout point de possède un voisinage tel que, pour tout point de , , . Je construis aussi un exemple d’un domaine -hyperbolique et non -hyperbolique.
A necessary and sufficient condition for tautness of locally taut domains in a weakly Brody hyperbolic complex space is given. Moreover, some results of Kobayashi and Gaussier are deduced as corollaries.
Cet article est consacré à la démonstration d’une version presque complexe du théorème de Bloch. Considérons la réunion C de quatre J-droites en position générale dans un plan projectif presque complexe. Nous démontrons que toute suite non normale de J-disques évitant évitant la configuration C admet une sous-suite convergeant, au sens de Hausdorff, vers une partie la réunion des diagonales de C. En particulier, le complémentaire de la configuration C est hyperboliquement plongé dans le paln projectif...
On montre l'hyperbolicité du complémentaire de cinq droites en position générale dans un
plan projectif presque complexe, répondant ainsi à une question de S. Ivashkovich.
In this Note, I prove that, in many cases, the injective Kobayashi pseudodistance, as defined by Hahn, is equal to the Kobayashi pseudodistance.
We study the analytic structure of the leaves of a holomorphic foliation by curves on a compact complex manifold. We show that if every leaf is a hyperbolic surface then they can be simultaneously uniformized in a continuous manner. In case the manifold is complex projective space a sufficient condition is that there are no algebraic leaf.
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