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We construct a quasiregular analogue of the function $z\exp(z)$ in dimension 3, which gives the first explicit example of a quasiregular mapping of transcendental type that has exactly one zero. We then modify the construction to create a…

Complex Variables · Mathematics 2019-07-11 Luke Warren

The article is devoted to holomorphic and meromorphic functions of quaternion and octonion variables. New classes of quasi-conformal and quasi-meromorphic mappings are defined and investigated. Properties of such functions such as their…

Complex Variables · Mathematics 2018-12-18 S. V. Ludkovsky

We consider the iteration of quasiregular maps of transcendental type from $\mathbb{R}^d$ to $\mathbb{R}^d$. We give a bound on the rate at which the iterates of such a map can escape to infinity in a periodic component of the quasi-Fatou…

Dynamical Systems · Mathematics 2018-02-02 Daniel A. Nicks , David J. Sixsmith

The Fatou-Julia theory for rational functions has been extended both to transcendental meromorphic functions and more recently to several different types of quasiregular mappings in higher dimensions. We extend the iterative theory to…

Dynamical Systems · Mathematics 2018-05-04 Luke Warren

Beardon and Minda gave a characterization of normal families of holomorphic and meromorphic functions in terms of a locally uniform Lipschitz condition. Here, we generalize this viewpoint to families of mappings in higher dimensions that…

Complex Variables · Mathematics 2022-01-25 Alastair N. Fletcher , Daniel A. Nicks

For a class of closed manifolds N, we construct a family of functions on the Hamiltonian group G of the cotangent bundle T*N. These restrict to homogeneous quasi-morphisms on the subgroup generated by Hamiltonians with support in a given…

Symplectic Geometry · Mathematics 2011-10-25 Alexandra Monzner , Nicolas Vichery , Frol Zapolsky

Let h:C \to C be an R-linear map. In this article, we explore the dynamics of the quasiregular mapping H(z)=h(z)^2. Via the B\"{o}ttcher type coordinate constructed in "On B\"{o}ttcher coordinates and quasiregular maps" by Fletcher and…

Complex Variables · Mathematics 2012-05-21 Alastair Fletcher , Robert Fryer

This article is the introductory part of authors PhD thesis. The article presents a new coordinate invariant definition of quasiregular and quasiconformal mappings on Riemannian manifolds that generalizes the definition of quasiregular…

Differential Geometry · Mathematics 2014-08-12 Tony Liimatainen

In this article we prove a sufficient condition of quasi-normality in higher dimension for a family of meromorphic mappings in which each pair of functions of family shares some moving hypersurfaces. We also prove a normality criterion…

Complex Variables · Mathematics 2019-09-04 Gopal Datt

This paper continues our investigation of the dynamics of families of transcendental meromorphic functions with finitely many singular values all of which are finite. Here we look at a generalization of the family of polynomials…

Dynamical Systems · Mathematics 2021-06-15 Tao Chen , Linda Keen

For a closed connected manifold N, we construct a family of functions on the Hamiltonian group G of the cotangent bundle T^*N, and a family of functions on the space of smooth functions with compact support on T^*N. These satisfy properties…

Symplectic Geometry · Mathematics 2011-11-02 Alexandra Monzner , Nicolas Vichery , Frol Zapolsky

According to Shibukawa, ternary systems defined on quasigroups and satisfying certain conditions provide a way of constructing dynamical Yang-Baxter maps. After noticing that these conditions can be interpreted as 3-dimensional…

Mathematical Physics · Physics 2013-02-27 Theodoros E. Kouloukas , Vassilios G. Papageorgiou

The article is devoted to the study of mappings with finite distortion in metric spaces. Analogues of results relating to equicontinuity and normality of families of quasiregular mappings are obtained. It is proved that the indicated…

Complex Variables · Mathematics 2019-01-23 Evgeny Sevost'yanov , Sergei Skvortsov , Evgeniy Petrov

In this article, we give a Zalcman type renormalization result for the quasinormality of a family of holomorphic functions on a domain in $\mathbb{C}^n$ that takes values in a complete complex Hermitian manifold.

Complex Variables · Mathematics 2024-02-20 Gopal Datt , Sanjay Kumar

In this paper we introduce an interesting family of relative fractal drums (RFDs in short) at infinity and study their complex dimensions which are defined as the poles of their associated Lapidus (distance) fractal zeta functions…

Complex Variables · Mathematics 2023-04-20 Goran Radunović

We consider linear iterated function systems (IFS) with a constant contraction ratio in the plane for which the "overlap set" $\Ok$ is finite, and which are "invertible" on the attractor $A$, the sense that there is a continuous surjection…

Dynamical Systems · Mathematics 2011-07-20 Kemal Ilgar Eroğlu , Steffen Rohde , Boris Solomyak

We show that some ternary quasigroups appear naturally as invariants of classical links and links on surfaces. We also note how to obtain from them invariants of Yoshikawa moves. In our previous paper, we defined homology theory for…

Geometric Topology · Mathematics 2018-05-16 Maciej Niebrzydowski

We introduce a higher dimensional quasiregular map analogous to the trigonometric functions and we use the dynamics of this map to define, for d>1, a partition of d-dimensional Euclidean space into curves tending to infinity such that two…

Dynamical Systems · Mathematics 2012-04-16 Walter Bergweiler , Alexandre Eremenko

Since 1984, many authors have studied the dynamics of maps of the form $\mathcal{E}_a(z) = e^z - a$, with $a > 1$. It is now well-known that the Julia set of such a map has an intricate topological structure known as a Cantor bouquet, and…

Dynamical Systems · Mathematics 2019-04-29 Patrick Comdühr , Vasiliki Evdoridou , David J. Sixsmith

We study images of the unit ball under certain special classes of quasiregular mappings. For homeomorphic, i.e., quasiconformal mappings problems of this type have been studied extensively in the literature. In this paper we also consider…

Complex Variables · Mathematics 2014-06-18 Manzi Huang , Antti Rasila , Xiantao Wang
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