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In this paper we study constant angle surfaces in Euclidean 3-space. Even that the result is a consequence of some classical results involving the Gauss map (of the surface), we give another approach to classify all surfaces for which the…

Differential Geometry · Mathematics 2009-07-01 Marian Ioan Munteanu , Ana Irina Nistor

We consider surfaces with parallel mean curvature vector field and finite total curvature in product spaces of type $\mathbb{M}^n(c)\times\mathbb{R}$, where $\mathbb{M}^n(c)$ is a space form, and characterize certain of these surfaces. When…

Differential Geometry · Mathematics 2016-06-22 Márcio Batista , Marcos P. Cavalcante , Dorel Fetcu

In this paper we classify all surfaces in the 3-dimensional Lie group $Sol_3$ whose normals make constant angle with a left invariant vector field.

Differential Geometry · Mathematics 2012-01-24 Rafael Lopez , Marian Ioan Munteanu

In this paper we classify constant angle surfaces in $\H^2\times\R$, where $\H^2$ is the hyperbolic plane.

Differential Geometry · Mathematics 2009-07-01 Franki Dillen , Marian Ioan Munteanu

We investigate three-dimensional surfaces where the normal vector forms a constant angle with the radius vector. These surfaces naturally extend equiangular (logarithmic) spirals in the plane.

History and Overview · Mathematics 2017-02-14 Khristo N. Boyadzhiev

Consider the Euclidean space $\mathbb{R}^3$ endowed with a canonical semi-symmetric non-metric connection determined by a vector field $\mathsf{C}\in\mathfrak{X}(\mathbb{R}^3)$. We study surfaces when the sectional curvature with respect to…

Differential Geometry · Mathematics 2024-05-22 Muhittin Evren Aydin , Rafael López , Adela Mihai

We study surfaces in $\R^4$ whose tangent spaces have constant principal angles with respect to a plane. Using a PDE we prove the existence of surfaces with arbitrary constant principal angles. The existence of such surfaces turns out to be…

Differential Geometry · Mathematics 2011-05-11 Pierre Bayard , Antonio J. Di Scala , Osvaldo Osuna-Castro , Gabriel Ruiz-Hernandez

In this paper we classify certain special ruled surfaces in $\R^3$ under the general theorem of characterization of constant angle surfaces. We study the tangent developable and conical surfaces from the point of view the constant angle…

Differential Geometry · Mathematics 2009-04-10 Ana-Irina Nistor

We show the existence of constant mean curvature surfaces in the homology classes of closed 3-manifolds.

Differential Geometry · Mathematics 2020-01-03 Baris Coskunuzer

In this paper, we find all constant slope surfaces in the Euclidean 3-space, namely those surfaces for which the position vector of a point of the surface makes constant angle with the normal at the surface in that point. These surfaces…

Differential Geometry · Mathematics 2011-06-21 Marian Ioan Munteanu

In this paper we study rotational surfaces in the space $\mathbb{H}^2\times\mathbb{R}$ whose mean curvature is given as a prescribed function of their angle function. These surfaces generalize, among others, the ones of constant mean…

Differential Geometry · Mathematics 2020-12-08 Antonio Bueno , Irene Ortiz

In the present paper we classify curves and surfaces in Euclidean $3-$space which make constant angle with a certain Killing vector field. Moreover, we characterize the catenoid and Dini's surface in terms of constant angle surfaces.

Differential Geometry · Mathematics 2011-01-20 Marian Ioan Munteanu , Ana Irina Nistor

Let $I \subseteq \R$ be an open interval, $f : I \to \R$ a strictly positive function and denote by $\E^2$ the Euclidean plane. We classify all surfaces in the warped product manifold $I \times_f \E^2$ for which the unit normal makes a…

Differential Geometry · Mathematics 2011-06-21 Franki Dillen , Marian Ioan Munteanu , Joeri Van der Veken , Luc Vrancken

In this paper, we study factorable surfaces in a 3-dimensional isotropic space. We classify such surfaces with constant isotropic Gaussian (K) and mean curvature (H). We provide a non-existence result related with the surfaces satisfying…

Differential Geometry · Mathematics 2016-12-09 Muhittin Evren Aydin

We consider constant mean curvature surfaces of finite topology, properly embedded in three-space in the sense of Alexandrov. Such surfaces with three ends and genus zero were constructed and completely classified by the authors in…

Differential Geometry · Mathematics 2007-12-05 Karsten Grosse-Brauckmann , Robert B. Kusner , John M. Sullivan

A constant angle surface in Minkowski space is a spacelike surface whose unit normal vector field makes a constant hyperbolic angle with a fixed timelike vector. In this work we study and classify these surfaces. In particular, we show that…

Differential Geometry · Mathematics 2011-06-21 Rafael Lopez , Marian Ioan Munteanu

We prove a Simons type equation for non-minimal surfaces with parallel mean curvature vector (pmc surfaces) in $M^3(c)\times\mathbb{R}$, where $M^3(c)$ is a 3-dimensional space form. Then, we use this equation in order to characterize…

Differential Geometry · Mathematics 2011-04-01 Dorel Fetcu , Harold Rosenberg

In this article we generalize the notion of constant angle surfaces in S^2 x R and H^2 x R to general Bianchi-Cartan-Vranceanu spaces, i.e. essentially to three-dimensional homogeneous spaces with a four-dimensional isometry group. We show…

Differential Geometry · Mathematics 2009-08-03 Johan Fastenakels , Marian Ioan Munteanu , Joeri Van der Veken

In this article we study the shape of a compact surface of constant mean curvature of Euclidean space whose boundary is contained in a round sphere. We consider the case that the boundary is prescribed or that the surface meets the sphere…

Differential Geometry · Mathematics 2014-10-22 Rafael López , Juncheol Pyo

We study surfaces with a constant ratio of principal curvatures in Euclidean and simply isotropic geometries and characterize rotational, channel, ruled, helical, and translational surfaces of this kind under some technical restrictions…

Differential Geometry · Mathematics 2025-10-17 Khusrav Yorov , Mikhail Skopenkov , Helmut Pottmann
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