Canonical parameters on a surface in $\mathbb R^4$

Fuente: arXiv
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Main Authors: Kassabov, Ognian, Milousheva, Velichka
Format: Preprint
Published: 2025
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author Kassabov, Ognian
Milousheva, Velichka
author_facet Kassabov, Ognian
Milousheva, Velichka
contents In the present paper, we study surfaces in the four-dimensional Euclidean space $\mathbb{R}^4$. We define special principal parameters, which we call canonical, on each surface without minimal points, and prove that the surface admits (at least locally) canonical principal parameters. They can be considered as a generalization of the canonical parameters for minimal surfaces and the canonical parameters for surfaces with parallel normalized mean curvature vector field introduced before. We prove a fundamental existence and uniqueness theorem formulated in terms of canonical principal parameters, which states that the surfaces in $\mathbb{R}^4$ are determined up to a motion by four geometrically determined functions satisfying a system of partial differential equations.
format Preprint
id arxiv_https___arxiv_org_abs_2508_00148
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Canonical parameters on a surface in $\mathbb R^4$
Kassabov, Ognian
Milousheva, Velichka
Differential Geometry
53A07, 53B20
In the present paper, we study surfaces in the four-dimensional Euclidean space $\mathbb{R}^4$. We define special principal parameters, which we call canonical, on each surface without minimal points, and prove that the surface admits (at least locally) canonical principal parameters. They can be considered as a generalization of the canonical parameters for minimal surfaces and the canonical parameters for surfaces with parallel normalized mean curvature vector field introduced before. We prove a fundamental existence and uniqueness theorem formulated in terms of canonical principal parameters, which states that the surfaces in $\mathbb{R}^4$ are determined up to a motion by four geometrically determined functions satisfying a system of partial differential equations.
title Canonical parameters on a surface in $\mathbb R^4$
topic Differential Geometry
53A07, 53B20
url https://arxiv.org/abs/2508.00148