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In this paper we analyze the problem of the geodesic connectedness of subsets of Riemannian manifolds. By using variational methods, the geodesic connectedness of open domains (whose boundaries can be not differentiable and not convex) of a…

Differential Geometry · Mathematics 2014-01-21 Rossella Bartolo , Anna Germinario , Miguel Sanchez

We study proper holomorphic mappings between strictly pseudoconvex domains with low boundary regularity.

Complex Variables · Mathematics 2021-08-11 Alexandre Sukhov

For any pseudoconvex Runge domain $\Omega\subset\mathbb{C}^2$ we prove that every closed discrete subset in $\Omega$ is contained in a properly embedded complex curve in $\Omega$ with any prescribed topology (possibly infinite).

Complex Variables · Mathematics 2018-01-08 Antonio Alarcon

We give, in dimensions three or greater, an example of a bounded, pseudoconvex, circular domain in complex space with smooth real analytic boundary and non-compact automorphism group which is not biholomorphically equivalent to any…

Complex Variables · Mathematics 2009-09-25 Siqi Fu , A. V. Isaev , Steven G. Krantz

The aim of this paper is to extend the definition of geodesics to conical manifolds, defined as submanifolds of $\R^n$ with a finite number of singularities. We look for an approach suitable both for the local geodesic problem and for the…

Analysis of PDEs · Mathematics 2010-12-30 Marco G. Ghimenti

We treat the boundary problem for complex varieties (with isolated singularities) of dimension greater than one, which are contained in a suitable class of strictly pseudoconvex, unbounded domains of C^n.

Complex Variables · Mathematics 2007-05-23 Giuseppe Della Sala , Alberto Saracco

We give a precise description of Bergman complete bounded pseudoconvex Reinhardt domains.

Complex Variables · Mathematics 2007-05-23 Wlodzimierz Zwonek

For a pseudoconvex tube domain, we prove estimates that relate the sublevel sets of its diagonal Bergman kernel to the floating bodies of its convex base. This allows us to associate a new affine invariant to any convex body.

Complex Variables · Mathematics 2016-04-12 Purvi Gupta

We study the boundary regularity of proper holomorphic mappings between strictly pseudoconvex domains with $C^2$-boundaries.

Complex Variables · Mathematics 2021-04-27 Alexandre Sukhov

In this paper we study the area of ideals triangles in a convex domain with its Hilbert geometry. We obtain a characterization of the hyperbolic geometry among all the Hilbert geometry in terms of area of ideals triangles. We also obtain a…

Differential Geometry · Mathematics 2009-09-29 Bruno Colbois , Constantin Vernicos , Patrick Verovic

Necessary and sufficient geometric conditions are given for domains with regular boundary points and edges to be domains of holomorphy provided the remainder boundary subset is of zero Hausdorff 1-codimensional measure.

Complex Variables · Mathematics 2007-05-23 Dmitri Zaitsev , Giuseppe Zampieri

The article contains the results of the author's recent investigations of rigidity problems of domains in Euclidean spaces carried out for developing a new approach to the classical problem of the unique determination of bounded closed…

Metric Geometry · Mathematics 2016-10-05 Anatoly P. Kopylov

Pseudoconvexity of a domain in $\Bbb C^n$ is described in terms of the existence of a locally defined plurisubharmonic/holomorphic function near any boundary point that is unbounded at the point.

Complex Variables · Mathematics 2010-06-23 Nikolai Nikolov , Peter Pflug , Pascal J. Thomas , Wlodzimierz Zwonek

Given a closed complex hypersurface $Z\subset \mathbb{C}^{N+1}$ $(N\in\mathbb{N})$ and a compact subset $K\subset Z$, we prove the existence of a pseudoconvex Runge domain $D$ in $Z$ such that $K\subset D$ and there is a complete proper…

Complex Variables · Mathematics 2016-08-31 Antonio Alarcon , Josip Globevnik , Francisco J. Lopez

An example is given of a hyperconvex manifold without non-constant bounded holomorphic functions, which is realized as a domain with real-analytic Levi-flat boundary in a projective surface.

Complex Variables · Mathematics 2018-09-24 Masanori Adachi

We survey results arising from the study of domains in C^n with non-compact automorphism group. Beginning with a well-known characterization of the unit ball, we develop ideas toward a consideration of weakly pseudoconvex (and even…

Complex Variables · Mathematics 2016-09-06 A. V. Isaev , S. G. Krantz

The aim of this study is to understand to what extent a 1-convex domain with Levi-flat boundary is capable of holomorphic functions with slow growth. This paper discusses a typical example of such domain, the space of all the geodesic…

Complex Variables · Mathematics 2021-08-03 Masanori Adachi

We study the complete Kahler-Einstein metric in tube domains. We obtain estimates of this metric and its holomorphic bisectional curvatures near the weakly pseudoconvex boundary points.

Complex Variables · Mathematics 2018-08-31 Sebastien Gontard

The coamoeba of any complex algebraic plane curve $V$ is its image in the real torus under the argument map. The area counted with multiplicity of the coamoeba of any algebraic curve in $(\mathbb{C}^*)^2$ is bounded in terms of the degree…

Algebraic Geometry · Mathematics 2008-10-27 Mounir Nisse

We give a necessary condition on a geodesic in a Riemannian manifold that can run in some convex hypersurface. As a corollary we obtain peculiar properties that hold true for every convex set in any generic Riemannian manifold (M,g). For…

Differential Geometry · Mathematics 2022-01-13 Alexander Lytchak , Anton Petrunin