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In this thesis, we study value distribution theoretical properties of the Gauss map of pseudo-algebraic minimal surfaces in n-dimensional Euclidean space. After reviewing basic facts, we give estimates for the number of exceptional values…

Differential Geometry · Mathematics 2007-05-23 Yu Kawakami

We elucidate the geometric background of function-theoretic properties for the Gauss maps of several classes of immersed surfaces in three-dimensional space forms, for example, minimal surfaces in Euclidean three-space, improper affine…

Differential Geometry · Mathematics 2014-05-29 Yu Kawakami

The main goal of this paper is to reveal the geometric meaning of the maximal number of exceptional values of Gauss maps for several classes of immersed surfaces in space forms, for example, complete minimal surfaces in the Euclidean…

Differential Geometry · Mathematics 2012-11-13 Yu Kawakami

In this paper, we prove effective estimates for the number of exceptional values and the totally ramified value number for the Gauss map of pseudo-algebraic minimal surfaces in Euclidean four-space and give a kind of unicity theorem.

Differential Geometry · Mathematics 2010-01-17 Yu Kawakami

We give the best possible upper bound for the number of exceptional values of the Lagrangian Gauss map of complete improper affine fronts in the affine three-space. We also obtain the sharp estimate for weakly complete case. As an…

Differential Geometry · Mathematics 2012-05-22 Yu Kawakami , Daisuke Nakajo

We give an effective estimate for the totally ramified value number of the hyperbolic Gauss maps of complete flat fronts in the hyperbolic three-space. As a corollary, we give the upper bound of the number of exceptional values of them for…

Differential Geometry · Mathematics 2012-05-22 Yu Kawakami

Surfaces of finite geometric type are complete, immersed into the tree-dimensional Euclidean space with finite total curvature and Gauss map extending to an oriented compact surface as a smooth branched covering map over the unit sphere of…

Differential Geometry · Mathematics 2019-06-24 Nícolas A. de Andrade , Luquesio P. Jorge

We perform a systematic study of the image of the Gauss map for complete minimal surfaces in Euclidean four-space. In particular, we give a geometric interpretation of the maximal number of exceptional values of the Gauss map of a complete…

Differential Geometry · Mathematics 2023-08-31 Reiko Aiyama , Kazuo Akutagawa , Satoru Imagawa , Yu Kawakami

In the present paper, we propose a new discrete surface theory on 3-valent embedded graphs in the 3-dimensional Euclidean space which are not necessarily discretization or approximation of smooth surfaces. The Gauss curvature and the mean…

Differential Geometry · Mathematics 2016-01-28 Motoko Kotani , Hisashi Naito , Toshiaki Omori

In this paper we investigate the distribution of the set of values of a linear map at integer points on a quadratic surface. In particular, it is shown that subject to certain algebraic conditions, this set is equidistributed. This can be…

Number Theory · Mathematics 2016-01-20 Oliver Sargent

We refine Osserman's argument on the exceptional values of the Gauss map of algebraic minimal surfaces. This gives an effective estimate for the number of exceptional values and the totally ramified value number for a wider class of…

Differential Geometry · Mathematics 2007-05-23 Y. Kawakami , R. Kobayashi , R. Miyaoka

We construct a weakly complete flat surface in hyperbolic 3-space having a pair of hyperbolic Gauss maps both of whose images are contained in an arbitrarily given open disc in the ideal boundary of H^3. This construction is accomplished as…

Differential Geometry · Mathematics 2012-05-23 Francisco Martin , Masaaki Umehara , Kotaro Yamada

In this paper, we investigate the value distribution properties for Gauss maps of space-like stationary surfaces in four-dimensional Lorentz-Minkowski space $\mathbb{R}^{3,1}$, focusing on aspects such as the number of totally ramified…

Differential Geometry · Mathematics 2024-04-12 Li Ou

In this article, we study the uniqueness problem for the generalized gauss maps of minimal surfaces (with the same base) immersed in $\mathbb R^{n+1}$ which have the same inverse image of some hypersurfaces in a projective subvariety…

Differential Geometry · Mathematics 2024-01-23 Si Duc Quang , Do Thi Thuy Hang

Concerning the value distribution problem for generalized Gauss maps, we not only generalize Fujimoto's theorem to complete space-like stationary surfaces in Minkowski spacetime, but also estimate the upper bound of the number of…

Differential Geometry · Mathematics 2021-09-13 Li Ou , Chuanmiao Cheng , Ling Yang

This paper aims to present a systematic study on the Gauss images of complete minimal surfaces of genus 0 of finite total curvature in Euclidean 3-space and Euclidean 4-space. We focus on the number of omitted values and the total weight of…

Differential Geometry · Mathematics 2024-07-08 Yu Kawakami , Mototsugu Watanabe

In this article we present an elementary introduction to the theory of minimal surfaces in Euclidean spaces $\mathbb R^n$ for $n\ge 3$ by using only elementary calculus of functions of several variables at the level of a typical second-year…

Differential Geometry · Mathematics 2021-01-08 Franc Forstneric

The aim of this paper is to investigate the differential geometry of immersed surfaces in three-dimensional normed spaces from the viewpoint of affine differential geometry. We endow the surface with a useful Riemannian metric which is…

Differential Geometry · Mathematics 2017-09-06 Vitor Balestro , Horst Martini , Ralph Teixeira

Let $M$ be an $n$-dimensional smooth oriented complete embedded minimal hypersurface in $\mathbb{R}^{n+1}$ with Euclidean volume growth. We show that if the image under the Gauss map of $M$ avoids some neighborhood of a half-equator, then…

Differential Geometry · Mathematics 2022-05-17 Qi Ding

In the paper, we study the Gauss map of a completely immersed anisotropic minimal surface with respect to convex parametric integrand in $\mathbb{R}^3$. By a local analysis, we prove the discreteness of the critical set of the Gauss map of…

Differential Geometry · Mathematics 2024-12-31 Toshimi Inoue
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