Minimal surfaces in ℍ2×ℝ with finite total curvature and embedded ends
Abstract
In this paper we study the global geometry and classification of complete minimal surfaces with embedded ends and finite total curvature in the product space ℍ2 × ℝ. We describe the structure of embedded ends of such surfaces, constraining the combinatorics of their asymptotic polygons at infinity. Focusing on small total curvature values, we establish a complete classification of the possible asymptotic boundaries for embedded minimal surfaces with total curvature −4π and −6π. In the −4π case, we prove the surface is either a horizontal catenoid or simply-connected, with asymptotic boundary belonging to one of four explicit configurations. In the −6π case, we show that any embedded example must be simply-connected and classify its possible ideal boundaries. We further construct, via an asymptotic Plateau problem solved by area-minimizing surfaces and successive Schwarz reflections, new 1- and 2-parameter families of (possibly non-embedded) simply-connected minimal surfaces with total curvature −6π (and, more generally, $-2(2k-1)π$) whose ends are embedded and realize asymptotic configurations not previously known to occur.
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BibTeX
@misc{castroinfantes2026minimal,
title = {{Minimal surfaces in $\mathbbH^2\times\mathbbR$ with finite total curvature and embedded ends}},
author = {Jesús Castro-Infantes and Magdalena Rodríguez},
howpublished = {arXiv},
year = {2026},
month = sep,
doi = {10.48550/arxiv.2609.07885},
eprint = {2609.07885},
archivePrefix = {arXiv},
url = {https://arxiv.org/abs/2609.07885},
}
RIS
TY - UNPB
TI - Minimal surfaces in ℍ^2×ℝ with finite total curvature and embedded ends
AU - Jesús Castro-Infantes
AU - Magdalena Rodríguez
PY - 2026
DA - 2026/09/07
PB - arXiv
DO - 10.48550/arxiv.2609.07885
UR - https://arxiv.org/abs/2609.07885
AB - In this paper we study the global geometry and classification of complete minimal surfaces with embedded ends and finite total curvature in the product space ℍ^2 × ℝ. We describe the structure of embedded ends of such surfaces, constraining the combinatorics of their asymptotic polygons at infinity. Focusing on small total curvature values, we establish a complete classification of the possible asymptotic boundaries for embedded minimal surfaces with total curvature −4π and −6π. In the −4π case, we prove the surface is either a horizontal catenoid or simply-connected, with asymptotic boundary belonging to one of four explicit configurations. In the −6π case, we show that any embedded example must be simply-connected and classify its possible ideal boundaries. We further construct, via an asymptotic Plateau problem solved by area-minimizing surfaces and successive Schwarz reflections, new 1- and 2-parameter families of (possibly non-embedded) simply-connected minimal surfaces with total curvature −6π (and, more generally, $-2(2k-1)π$) whose ends are embedded and realize asymptotic configurations not previously known to occur.
ER -