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We prove the existence of a hyperbolic surface spread over the sphere for which the projection map has all its singular values on the extended real line, and such that the preimage of the extended real line under the projection map is…

Complex Variables · Mathematics 2014-04-04 Lukas Geyer , Sergei Merenkov

In this paper we study the existence and regularity of stable manifolds associated to fixed points of parabolic type in the differentiable and analytic cases, using the parametrization method. The parametrization method relies on a suitable…

Dynamical Systems · Mathematics 2016-03-09 Inmaculada Baldomá , Ernest Fontich , Pau Martín

We investigate space curves with large cohomology. To this end we introduce curves of subextremal type. This class includes all subextremal curves. Based on geometric and numerical characterizations of curves of subextremal type, we show…

Algebraic Geometry · Mathematics 2007-05-23 Nadia Chiarli , Silvio Greco , Uwe Nagel

We prove an analogue of Alexander's Theorem for holomorphic mappings of the unit ball in a complex Hilbert space: Every holomorphic mapping which takes a piece of the boundary of the unit ball into the boundary of the unit ball and whose…

Complex Variables · Mathematics 2007-05-23 Bernhard Lamel

In this paper, we prove a general second main theorem for meromorphic mappings into a subvariety $V$ of $\mathbb P^N(\mathbb C)$ with an arbitrary family of moving hypersurfaces. Our second main theorem generalizes and improves all previous…

Complex Variables · Mathematics 2022-06-01 Si Duc Quang

We consider the problem of interpolating a holomorphic family of nondegenerate holomorphic jets on C^n for n > 1, parametrized by points in a Stein manifold, by a holomorphic family of automorphisms of C^n. We show that under a suitable…

Complex Variables · Mathematics 2018-11-27 Riccardo Ugolini

It is well known that every rational parameter ray of the Mandelbrot set lands at a single parameter. We study the rational parameter rays of the multicorn $\mathcal{M}_d^*$, the connectedness locus of unicritical antiholomorphic…

Dynamical Systems · Mathematics 2021-01-19 Hiroyuki Inou , Sabyasachi Mukherjee

Denoting by ${\mathcal L}_d(m_0,m_1,...,m_r)$ the linear system of plane curves passing through $r+1$ generic points $p_0,p_1,...,p_r$ of the projective plane with multiplicity $m_i$ (or larger) at each $p_i$, we prove the…

Algebraic Geometry · Mathematics 2007-05-23 F. Monserrat

The paper is a contribution to the conjecture of Kobayashi that the complement of a generic curve in the projective plane is hyperbolic, provided the degree is at least five. Previously the authors treated the cases of two quadrics and a…

alg-geom · Mathematics 2014-12-01 Gerd Dethloff , Georg Schumacher , Pit-Mann Wong

In this paper, we establish second main theorems for holomorphic maps with finite growth index on complex discs intersecting families of hypersurfaces (moving and fixed) in projective varieties, where the small term is detailed estimate for…

Complex Variables · Mathematics 2024-06-05 Si Duc Quang

Any arrangement of hyperplanes in general position in $P^n$ can be regarded as a divisor with normal crossing. We study the bundles of logarithmic 1-forms corresponding to such divisors` from the point of view of classification of vector…

alg-geom · Mathematics 2008-02-03 I. Dolgachev , M. Kapranov

We apply a recently proposed definition of a linear connection in non commutative geometry based on the natural bimodule structure of the algebra of differential forms to the case of the two-parameter quantum plane. We find that there…

q-alg · Mathematics 2023-04-17 Y. Georgelin , T. Masson , J. -C. Wallet

We define a broad class of piecewise smooth plane homeomorphisms which have properties similar to the properties of Lozi maps, including the existence of a hyperbolic attractor. We call those maps Lozi-like. For those maps one can apply our…

Dynamical Systems · Mathematics 2017-05-25 Michal Misiurewicz , Sonja Štimac

We develop dynamical theory for the family of holomorphic correspondences $\mathcal{F}_a$ proved by the current authors to be matings between the modular group and parabolic rational maps in the Milnor slice $Per_1(1)$ (in 'Mating quadratic…

Dynamical Systems · Mathematics 2022-11-14 Shaun Bullett , Luna Lomonaco

For a two parameter family of two-dimensional piecewise linear maps and for every natural number $ n $ we prove not only the existence of intervals of parameters for which the respective maps are $ n $ times renormalizable but also we show…

Dynamical Systems · Mathematics 2017-03-14 Antonio Pumariño , José Ángel Rodríguez , Enrique Vigil

We prove a parametric jet interpolation theorem for symplectic holomorphic automorphisms of $\mathbb{C}^{2n}$ with parameters in a Stein space. Moreover, we provide an example of an unavoidable set for symplectic holomorphic maps.

Complex Variables · Mathematics 2024-07-26 Rafael B. Andrist , Gaofeng Huang , Frank Kutzschebauch , Josua Schott

We establish an avoidance criterion for families of holomorphic curves from the unit disk in complex plane to the complex projective space that omit sufficiently many moving hypersurfaces in pointwise general position. Furthermore, we study…

Complex Variables · Mathematics 2026-05-11 Gopal Datt , Rahul Gogoi , Kushal Lalwan

We introduce and motivate a conjecture about the existence of complete, 1-dimensional families of covers of an elliptic curve. If the conjecture holds, then it would imply a uniform lower bound of 5 for slope of the moduli space of curves.…

Algebraic Geometry · Mathematics 2026-01-14 Gabriel Bujokas , Anand Patel

We show that if a family of complex varieties over a base B admits a section when restricted to a very general curve in B, then the family must contain a subfamily of rationally connected varieties dominating B. As an application, we deduce…

Algebraic Geometry · Mathematics 2007-05-23 T. Graber , J. Harris , B. Mazur , J. Starr

Given $n$ distinct points $\mathbf{x}_1, \ldots, \mathbf{x}_n$ in $\mathbb{R}^d$, let $K$ denote their convex hull, which we assume to be $d$-dimensional, and $B = \partial K $ its $(d-1)$-dimensional boundary. We construct an explicit…

Metric Geometry · Mathematics 2021-07-01 Joseph Malkoun , Peter J. Olver
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