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Related papers: A note on Zariski dense orbit conjecture

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We extend Sharkovskii's theorem to the cases of $N$-dimensional maps which are close to 1D maps, with an attracting $n$-periodic orbit. We prove that, with relatively weak topological assumptions, there exist also $m$-periodic orbits for…

Dynamical Systems · Mathematics 2021-06-23 Anna Gierzkiewicz , Piotr Zgliczyński

The endomorphism monoid of a model-theoretic structure carries two interesting topologies: on the one hand, the topology of pointwise convergence induced externally by the action of the endomorphisms on the domain via evaluation; on the…

Logic · Mathematics 2026-03-04 Michael Pinsker , Clemens Schindler

We first show that the moniod of separable surjective self morphisms of a variety of Ueno type coincides with the group of automorphisms. We also give an explicit description of the automorphism group. As applications, we confirm Kawaguchi…

Algebraic Geometry · Mathematics 2024-06-27 Keiji Oguiso

Given an affine variety $X$, a morphism $\phi:X\to X$, a point $\alpha\in X$, and a Zariski closed subset $V$ of $X$, we show that the forward $\phi$-orbit of $\alpha$ meets $V$ in at most finitely many infinite arithmetic progressions, and…

Dynamical Systems · Mathematics 2014-09-16 Clayton Petsche

We give a classification of finite groups of symplectic birational automorphisms on a manifold of K3^[3]-type with stable and stably saturated cohomological action. We describe the group of polarized automorphisms of a smooth double…

Algebraic Geometry · Mathematics 2024-12-30 Simone Billi , Stevell Muller , Tomasz Wawak

We establish a structure theorem for the connected automorphism groups of smooth complete toroidal horospherical varieties, that is, toric fibrations over rational homogeneous spaces. The key ingredient is a characterization of the Demazure…

Algebraic Geometry · Mathematics 2026-03-10 Lorenzo Barban , DongSeon Hwang , Minseong Kwon

We construct a Nekhoroshev-like result of stability with sharp constants for the planar three body problem, both in the planetary and in the restricted circular case, by using the periodic averaging technique. Our constructions can be…

Mathematical Physics · Physics 2018-10-16 Santiago Barbieri , Laurent Niederman

Let $X$ be a compact complex manifold in the Fujiki class $\mathscr{C}$. We study the compactification of $\operatorname{Aut}^0(X)$ given by its closure in Barlet cycle space. The boundary points give rise to non-dominant meromorphic…

Complex Variables · Mathematics 2019-01-31 Leonardo Biliotti , Alessandro Ghigi

We consider Hamiltonian diffeomorphisms of the Euclidean space, generated by compactly supported time-dependent perturbations of hyperbolic quadratic forms. We prove that, under some natural assumptions, such a diffeomorphism must have…

Symplectic Geometry · Mathematics 2016-01-20 Basak Z. Gurel

We suggest a relatively simple and totally geometric conjectural description of uncolored DAHA superpolynomials of arbitrary algebraic knots (conjecturally coinciding with the reduced stable Khovanov-Rozansky polynomials) via the flagged…

Quantum Algebra · Mathematics 2018-03-16 Ivan Cherednik , Ian Philipp

This paper concerns the restricted 3-body problem. By applying topological methods we give a computer assisted proof of the existence of some classes of periodic orbits, the existence of symbolic dynamics and we give a rigorous lower…

Dynamical Systems · Mathematics 2009-11-07 Gianni Arioli

This text is a draft of the review paper on projectively dual varieties. Topics include dual varieties, Pyasetskii pairing, discriminant complexes, resultants and schemes of zeros, secant and tangential varieties, Ein theorems, applications…

Algebraic Geometry · Mathematics 2007-05-23 Evgueni Tevelev

We consider the following conjecture: if X is a smooth projective variety over a field of characteristic zero, then there is a dense set of reductions X_s to positive characteristic such that the action of the Frobenius morphism on the top…

Commutative Algebra · Mathematics 2011-06-02 Mircea Mustata

We deal with the distributions of holomorphic curves and integral points off divisors. We will simultaneouly prove an optimal dimension estimate from above of a subvariety W off a divisor D which contains a Zariski dense entire holomorphic…

Complex Variables · Mathematics 2007-05-23 Junjiro Noguchi , Joerg Winkelmann

We consider surfaces with a double elliptic fibration, with two sections. We study the orbits under the induced translation automorphisms proving that, under natural conditions, the finite orbits are confined to a curve. This goes in a…

Number Theory · Mathematics 2023-02-13 Pietro Corvaja , Jacob Tsimerman , Umberto Zannier

We show that the Satake-Baily-Borel compactification of the moduli space of lattice polarized K3 surfaces parametrizing K3 surfaces of degree 2 with four rational double points of type $D_4$ is the projective 3-space. We also show that the…

Algebraic Geometry · Mathematics 2024-03-08 Kazushi Ueda

For bounded pseudoconvex domains with finite type we give a precise description of the automorphism group: if an orbit of the automorphism group accumulates on at least two different points of the boundary, then the automorphism group has…

Complex Variables · Mathematics 2020-12-02 Andrew Zimmer

For a nonconstant holomorphic map between projective Riemann surfaces with conformal metrics, we consider invariant Schwarzian derivatives and projective Schwarzian derivatives of general virtual order. We show that these two quantities are…

Complex Variables · Mathematics 2009-12-03 Seong-A Kim , Toshiyuki Sugawa

Let $f\colon X\dashrightarrow X$ be a bimeromorphic transformation of a complex irreducible symplectic manifold $X$. Some important dynamical properties of $f$ are encoded by the induced linear automorphism $f^*$ of $H^2(X,\mathbb Z)$. Our…

Algebraic Geometry · Mathematics 2016-04-19 Federico Lo Bianco

This is Part II of a series of three papers. We studies the hyperbolicity of complex quasi-projective varieties $X$ in the presence of a big and reductive representation $\varrho: \pi_1(X)\to {\rm GL}_N(\mathbb{C})$. For any Galois…

Algebraic Geometry · Mathematics 2025-12-18 Benoit Cadorel , Ya Deng , Katsutoshi Yamanoi
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