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Related papers: Relation between H\'{e}non maps with biholomorphic…

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The purpose of this note is two fold. First, we study the relation between a pair of H\'{e}non maps that share the same forward and backward non-escaping sets. Second, it is shown that there exists a continuum of $Short-\mathbb{C}^2$'s that…

Dynamical Systems · Mathematics 2018-06-22 Sayani Bera , Ratna Pal , Kaushal Verma

For a H\'{e}non map $H$ in $\mathbb{C}^2$, we characterize the polynomial automorphisms of $\mathbb{C}^2$ which keep any fixed level set of the Green function of $H$ completely invariant. The interior of any non-zero sublevel set of the…

Complex Variables · Mathematics 2019-07-12 Ratna Pal

We show that biholomorphic maps between certain pairs of Runge domains in the complex affine space $\mathbb C^n$, $n>1$, are limits of holomorphic automorphisms of $\mathbb C^n$. A similar result holds for volume preserving maps and also in…

Complex Variables · Mathematics 2026-02-16 Franc Forstneric

Let $H$ be a H\'enon map of the form $H(x,y)=(y,p(y)-ax)$. We prove that the escaping set $U^+$ (or equivalently, the non-escaping set $K^+$), of $H$ is rigid under the actions of automorphisms of $\mathbb{C}^2$ if the degree of $H=d\le…

Complex Variables · Mathematics 2026-01-21 Sayani Bera

Let $H$ be a polynomial automorphism of $\mathbb{C}^2$ of positive entropy and degree $d \ge 2$. We prove that the escaping set $U^+$ (or equivalently, the non-escaping set $K^+$), of $H$ is rigid under the action of holomorphic…

Complex Variables · Mathematics 2026-03-03 Sayani Bera , Kaushal Verma

For a H\'enon map of the form $H(x, y) = (y, p(y) - ax)$, where $p$ is a polynomial of degree at least two and $a \not= 0$, it is known that the sub-level sets of the Green's function $G^+_H$ associated with $H$ are Short $\mathbb C^2$'s.…

Complex Variables · Mathematics 2022-09-09 Sayani Bera , Ratna Pal , Kaushal Verma

Let $\mathcal{L}$ be a finite-dimensional semisimple Lie algebra of rank $N$ over an algebraically closed field of characteristic $0$. Associated to $\mathcal{L}$ is a family of polynomial folding maps…

Dynamical Systems · Mathematics 2024-10-22 Jospeh H. Silverman

Let $X, Y$ be smooth algebraic varieties of the same dimension. Let $f, g : X \to Y$ be finite polynomial mappings. We say that $f, g$ are equivalent if there exists a regular automorphism $\Phi \in Aut(X)$ such that $f = g\circ \Phi$. Of…

Algebraic Geometry · Mathematics 2015-03-10 Zbigniew Jelonek

We construct automorphisms of $\mathbb{C}^2$, and more precisely transcendental H\'enon maps, with an invariant escaping Fatou component which has exactly two distinct limit functions, both of (generic) rank 1. We also prove a general…

Dynamical Systems · Mathematics 2020-11-06 Anna Miriam Benini , Alberto Saracco , Michela Zedda

We prove that a proper holomorphic map between two bounded symmetric domains of the same dimension, one of them being irreducible, is a biholomorphism. Our methods allow us to give a single, all-encompassing argument that unifies the…

Complex Variables · Mathematics 2015-01-12 Gautam Bharali , Jaikrishnan Janardhanan

We present the following reflexivity-like result concerning the automorphism group of the $C^*$-algebra B(H), H being a separable Hilbert space. Let $\phi:B(H)\to B(H)$ be a multiplicative map (no linearity or continuity is assumed) which…

Operator Algebras · Mathematics 2007-05-23 Lajos Molnar

It is known that the canonical double cover of any connected nonbipartite graph have an automorphism group of the form $H \rtimes \mathbb{Z}_2$, where $H$ is the set of automorphism which preserve bipartite parts. We construct connected…

Combinatorics · Mathematics 2024-06-11 Bartłomiej Bychawski

Two proper polynomial maps $f_1, \,f_2 \colon \mC^n \lr \mC^n$ are said to be \emph{equivalent} if there exist $\Phi_1,\, \Phi_2 \in \textrm{Aut}(\mC^n)$ such that $f_2=\Phi_2 \circ f_1 \circ \Phi_1$. In this article we investigate proper…

Complex Variables · Mathematics 2023-05-03 Cinzia Bisi , Francesco Polizzi

We describe the relation of $r$-similarity and finite-order invariants on the homotopy set $[S^1,Y]=\pi_1(Y)$.

Algebraic Topology · Mathematics 2026-02-16 S. S. Podkorytov

We construct automorphisms of $\mathbb{C}^2$ with a cycle of escaping Fatou components, on which there are exactly two limit functions, both of rank 1. On each such Fatou component, the limit sets for these limit functions are two disjoint…

Dynamical Systems · Mathematics 2023-08-11 Veronica Beltrami , Anna Miriam Benini , Alberto Saracco

We show, for several fake projective planes with nontrivial automorphism group, that the bicanonical map is an embedding.

Algebraic Geometry · Mathematics 2018-03-28 Fabrizio Catanese , JongHae Keum

In the present paper, we determine the group of automorphisms of pseudo $H$-type Lie algebras, which are two-step nilpotent Lie algebras closely related to the Clifford algebras $\Cl(\mathbb R^{r,s})$.

Rings and Algebras · Mathematics 2019-11-06 Kenro Furutani , Irina Markina

If f is a bijection from C^n onto a complex manifold M, which conjugates every holomorphic map in C^n to an endomorphism in M, then we prove that f is necessarily biholomorphic or antibiholomorphic. This extends a result of A. Hinkkanen to…

Complex Variables · Mathematics 2007-05-23 Gregery T. Buzzard , Sergei Merenkov

Grothendieck duality theory assigns to essentially-finite-type maps f of noetherian schemes a pseudofunctor f^\times right-adjoint to Rf_*, and a pseudofunctor f^! agreeing with f^\times when f is proper, but equal to the usual inverse…

Algebraic Geometry · Mathematics 2019-02-20 Srikanth B. Iyengar , Joseph Lipman , Amnon Neeman

Let H be a complex Hilbert space and denote by Bs(H) the set of all self-adjoint bounded linear operators on H. In this paper we describe the form of all bijective maps (no linearity or continuity is assumed) on Bs(H) which preserve the…

Operator Algebras · Mathematics 2015-06-26 Lajos Molnar
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