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Related papers: A characterization of Inoue surfaces

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We study orbit closures and stationary measures for groups of automorphisms of $p$-adic affine surfaces.

Algebraic Geometry · Mathematics 2024-10-14 Serge Cantat , Seung Uk Jang

We classify surjective self-maps (of degree at least two) of affine surfaces according to the log Kodaira dimension.

Algebraic Geometry · Mathematics 2018-06-20 R. V. Gurjar , De-Qi Zhang

A novel class of integrable surfaces is recorded. This class of O surfaces is shown to include and generalize classical surfaces such as isothermic, constant mean curvature, minimal, `linear' Weingarten, Guichard and Petot surfaces and…

Exactly Solvable and Integrable Systems · Physics 2007-05-23 W. K. Schief , B. G. Konopelchenko

In this paper, we study oriented surfaces S in $\mathbb{R}^3$, called Surfaces with quadratic support function of harmonic type (in short HQSF-surfaces), these surfaces generalize the QSF-surfaces. We obtain a Weierstrass type…

Differential Geometry · Mathematics 2026-01-28 Armando M. V. Corro , Carlos M. C. Riveros , José L. Teruel

Let $X$ be an arbitrary complex surface and $D \subset X$ a domain that has a non compact group of holomorphic automorphisms. A characterization of those domains $D$ that admit a smooth real analytic, finite type boundary orbit accumulation…

Complex Variables · Mathematics 2011-10-19 Kaushal Verma

The indicatrix or curvature ellipse and the characteristic curve of a surface in $\mathbf R^4$ are presented, as well as the projective duality connecting them. The characterisation of points in the surfaces as elliptic, parabolic and…

Differential Geometry · Mathematics 2013-04-09 J. Basto-Gonçalves

In this paper, we first obtain an estimate of the coefficients for $\alpha$-harmonic mappings. By applying these coefficient estimates, we prove the Landau type theorem for $\alpha$-harmonic mappings defined on the unit disc $\ID$.

Complex Variables · Mathematics 2024-06-07 Vasudevarao Allu , Rohit Kumar

A branched affine structure on a compact topological surface with marked points is a complex affine structure outside the marked points. We give a proof of an unpublished foundational theorem of Veech, stating that any branched affine…

Geometric Topology · Mathematics 2019-12-04 Guillaume Tahar

We determine optimal inequalities for the systole of all hyperbolic compact surfaces of caracteristic -1. First, we study the geometry and topology of these surfaces. Then, we describe the action of modular groups on Teichm\"{u}ller spaces.…

Differential Geometry · Mathematics 2007-05-23 Matthieu Gendulphe

We study continuity, H\"older regularity, and $C^{1,1}$-regularity of geodesics between continuous plurisubharmonic functions on bounded domains of $\mathbb{C}^n$. We then derive regularity properties of rooftop envelopes.

Complex Variables · Mathematics 2026-05-05 Eleonora Di Nezza , Alexander Rashkovskii

We prove that the morphism that maps a rational ruled surface to its singular locus is genericaly injective modulo isomophism and duality. We also calculate the dimension and the degre of its image.

Algebraic Geometry · Mathematics 2007-05-23 Nicolas Perrin

We show that a family of minimal surfaces of general type with p_g = 0, K^2=7, constructed by Inoue in 1994, is indeed a connected component of the moduli space: indeed that any surface which is homotopically equivalent to an Inoue surface…

Algebraic Geometry · Mathematics 2012-06-01 Ingrid Bauer , Fabrizio Catanese

We introduce different classical characteristics used to regularize a subharmonic function and compare them. As an application we give a complete proof of a useful characterization of the modulus of continuity of such functions in terms of…

Complex Variables · Mathematics 2020-07-17 Ahmed Zeriahi

We study a simplicial mixed polynomial of cyclic type and its associated weighted homogeneous polynomial. In the present paper, we show that their links are diffeomorphic and their Milnor fibrations are isomorphic.

Algebraic Geometry · Mathematics 2016-06-14 Kazumasa Inaba , Masayuki Kawashima , Mutsuo Oka

The aim of this paper is twofold. First of all, we confirm a few basic criteria of the finiteness of real forms of a given smooth complex projective variety, in terms of the Galois cohomology set of the discrete part of the automorphism…

Algebraic Geometry · Mathematics 2023-01-27 Tien-Cuong Dinh , Cécile Gachet , Hsueh-Yung Lin , Keiji Oguiso , Long Wang , Xun Yu

We give an account of the classical and integrable geometry of isothermic surfaces in arbitrary co-dimension. We show that the classical transformation theory of Darboux, Bianchi and Calapso goes through unchanged in arbitrary co-dimension…

Differential Geometry · Mathematics 2007-05-23 F. E. Burstall

We prove a compactness theorem for metrics with Bounded Integral Curvature on a fixed closed surface $\Sigma$. As a corollary, we obtain a compactification of the space of Riemannian metrics with conical singularities, where an accumulation…

Differential Geometry · Mathematics 2016-10-20 Clément Debin

We classify possible finite groups of symplectic automorphisms of K3 surfaces of order divisible by 11. The characteristic of the ground field must be equal to 11. The complete list of such groups consists of five groups: the cyclic group…

Algebraic Geometry · Mathematics 2007-05-23 Igor Dolgachev , JongHae Keum

Let S be a connected, compact and orientable surface of genus two having exactly one boundary component. We study automorphisms of the Torelli complex for S, and describe any isomorphism between finite index subgroups of the Torelli group…

Group Theory · Mathematics 2015-02-02 Yoshikata Kida , Saeko Yamagata

Building on work of Farb and the second author, we prove that the group of automorphisms of the fine curve graph for a surface is isomorphic to the group of homeomorphisms of the surface. This theorem is analogous to the seminal result of…

Geometric Topology · Mathematics 2021-08-12 Adele Long , Dan Margalit , Anna Pham , Yvon Verberne , Claudia Yao
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