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In this paper, we continue exploration of the dynamical and parameter planes of one-parameter families of Schwarz reflections that was initiated in \cite{LLMM1,LLMM2}. Namely, we consider a family of quadrature domains obtained by…

Dynamical Systems · Mathematics 2021-04-26 Seung-Yeop Lee , Mikhail Lyubich , Nikolai G. Makarov , Sabyasachi Mukherjee

The goal of this survey is to present intimate interactions between four branches of conformal dynamics: iterations of anti-rational maps, actions of Kleinian reflection groups, dynamics generated by Schwarz reflections in quadrature…

Dynamical Systems · Mathematics 2026-05-27 Mikhail Lyubich , Sabyasachi Mukherjee

In this paper, we study matings of (anti-)polynomials and Fuchsian, reflection groups as Schwarz reflections, B-involutions or as (anti-)holomorphic correspondences, as well as their parameter spaces. We prove the existence of matings of…

Dynamical Systems · Mathematics 2024-08-02 Yusheng Luo , Mikhail Lyubich , Sabyasachi Mukherjee

We initiate the exploration of a new class of anti-holomorphic dynamical systems generated by Schwarz reflection maps associated with quadrature domains. More precisely, we study Schwarz reflection with respect to the deltoid, and Schwarz…

Dynamical Systems · Mathematics 2025-05-08 Seung-Yeop Lee , Mikhail Lyubich , Nikolai G. Makarov , Sabyasachi Mukherjee

In a previous paper, we constructed an explicit dynamical correspondence between certain Kleinian reflection groups and certain anti-holomorphic rational maps on the Riemann sphere. In this paper, we show that their deformation spaces share…

Dynamical Systems · Mathematics 2023-01-23 Russell Lodge , Yusheng Luo , Sabyasachi Mukherjee

We construct a general class of correspondences on hyperelliptic Riemann surfaces of arbitrary genus that combine finitely many Fuchsian genus zero orbifold groups and Blaschke products. As an intermediate step, we first construct analytic…

Dynamical Systems · Mathematics 2025-08-27 Sabyasachi Mukherjee , S. Viswanathan

We study several classes of holomorphic dynamical systems associated with quadrature domains. Our main result is that real-symmetric polynomials in the principal hyperbolic component of the Mandelbrot set can be conformally mated with a…

Complex Variables · Mathematics 2020-10-05 Kirill Lazebnik

In this paper, we present a new technique for studying the dynamics of a finitely generated rational semigroup. Such a semigroup can be associated naturally to a certain holomorphic correspondence on $\mathbb{P}^1$. Then, results on the…

Dynamical Systems · Mathematics 2018-11-05 Gautam Bharali , Shrihari Sridharan

We study the regularity results of holomorphic correspondences. As an application, we combine it with certain recently developed methods to obtain the extension theorem for proper holomorphic mappings between domains with real analytic…

Complex Variables · Mathematics 2016-09-06 Xiaojun Huang

In this paper, we establish an explicit correspondence between kissing reflection groups and critically fixed anti-rational maps. The correspondence, which is expressed using simple planar graphs, has several dynamical consequences. As an…

Dynamical Systems · Mathematics 2022-02-07 Russell Lodge , Yusheng Luo , Sabyasachi Mukherjee

For certain classes of holomorphic correspondences which are matings between Kleinian groups and polynomials, we prove the existence of pinching deformations, analogous to Maskit's deformations of Kleinian groups which pinch loxodromic…

Dynamical Systems · Mathematics 2007-06-13 Shaun Bullett , Peter Haissinsky

After establishing the uniqueness of the continuation of local Cauchy data for harmonic maps between two Riemannian manifolds M and N, we prove (i) a reflection principle for a smooth minimal submanifold Y of a Riemannian manifold M that…

Differential Geometry · Mathematics 2017-07-20 Dominic S. P. Leung

We present an overview of the rapidly evolving field of dynamics of algebraic correspondences, with a focus on matings between rational maps and Kleinian groups. These correspondences exhibit rich dynamics, both within the Sullivan…

Dynamical Systems · Mathematics 2025-11-12 Luna Lomonaco , Sabyasachi Mukherjee

We prove that any degree $d$ rational map having a parabolic fixed point of multiplier $1$ with a fully invariant and simply connected immediate basin of attraction is mateable with the Hecke group $H_{d+1}$, with the mating realized by an…

Dynamical Systems · Mathematics 2026-03-25 Shaun Bullett , Luna Lomonaco , Mikhail Lyubich , Sabyasachi Mukherjee

Let H:(M,p)->(M',p') be a formal mapping between two germs of real-analytic generic submanifolds in C^N with nonvanishing Jacobian. Assuming M to be minimal at p and M' holomorphically nondegenerate at p', we prove the convergence of the…

Complex Variables · Mathematics 2010-02-12 Jean-Charles Sunyé

There are two frameworks for mating Kleinian groups with rational maps on the Riemann sphere: the algebraic correspondence framework due to Bullett-Penrose-Lomonaco \cite{BP94,BL20} and the simultaneous uniformization mating framework of…

Dynamical Systems · Mathematics 2025-09-22 Mahan Mj , Sabyasachi Mukherjee

We investigate the local dynamics of antiholomorphic diffeomorphisms around a parabolic fixed point. We first give a normal form. Then we give a complete classification including a modulus space for antiholomorphic germs with a parabolic…

Dynamical Systems · Mathematics 2020-01-20 Jonathan Godin , Christiane Rousseau

The moduli space ${\rm M}_{d}$, of complex rational maps of degree $d \geq 2$, is a connected complex orbifold which carries a natural real structure, coming from usual complex conjugation. Its real points are the classes of rational maps…

Dynamical Systems · Mathematics 2021-07-08 Ruben A. Hidalgo , Saul Quispe

We study harmonic morphisms of graphs as a natural discrete analogue of holomorphic maps between Riemann surfaces. We formulate a graph-theoretic analogue of the classical Riemann-Hurwitz formula, study the functorial maps on Jacobians and…

Combinatorics · Mathematics 2007-07-18 Matthew Baker , Serguei Norine

In this paper, we study formal mappings between smooth generic submanifolds in multidimensional complex space and establish results on finite determination, convergence and local biholomorphic and algebraic equivalence. Our finite…

Complex Variables · Mathematics 2007-05-23 M. S. Baouendi , Nordine Mir , Linda Preiss Rothschild
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