Genus one $H$-surfaces with $k$-ends in $\mathbb{H}^{2}\times\mathbb{R}$

We construct two different families of properly Alexandrov-immersed surfaces in \mathbb{H}^{2}\times \mathbb{R} with constant mean curvature 0<H\leq 1/2 , genus one and k\geq2 ends ( k=2 only for one of these families). These ends are asymptotic to vertical H -cylinders for 0<H<1/2 . This shows that there is not a Schoen-type theorem for immersed surfaces with positive constant mean curvature in \mathbb{H}^{2}\times\mathbb{R} . These surfaces are obtained by means of a conjugate construction.

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Publication Details

Journal
Revista Matemática Iberoamericana
Published
2024-11-20
DOI
https://doi.org/10.4171/rmi/1536
Primary Topic
Algebraic Geometry and Number Theory
Type
article
Field-Weighted Citation Impact
0.00

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article

Genus one $H$-surfaces with $k$-ends in $\mathbb{H}^{2}\times\mathbb{R}$

Jesús Castro-Infantes, José S. Santiago
Revista Matemática Iberoamericana
Algebraic Geometry and Number Theory
article

Genus one $H$-surfaces with $k$-ends in $\mathbb{H}^{2}\times\mathbb{R}$

Jesús Castro-Infantes, José S. Santiago
article en

Abstract

We construct two different families of properly Alexandrov-immersed surfaces in \mathbb{H}^{2}\times \mathbb{R} with constant mean curvature 0<H\leq 1/2 , genus one and k\geq2 ends ( k=2 only for one of these families). These ends are asymptotic to vertical H -cylinders for 0<H<1/2 . This shows that there is not a Schoen-type theorem for immersed surfaces with positive constant mean curvature in \mathbb{H}^{2}\times\mathbb{R} . These surfaces are obtained by means of a conjugate construction.

Revista Matemática IberoamericanaVol. 41(1)
Universidad de Jaén (ES), Universidad Politécnica de Madrid (ES)
Universidad de Jaén, Agencia Estatal de Investigación
Openalex Percentile: Top 68%
Algebraic Geometry and Number Theory
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