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We show that a 3-manifold containing an incompressible surface has topologically minimal surfaces of arbitrary high genus.

Geometric Topology · Mathematics 2013-01-22 Jung Hoon Lee

We initiate the study of computing shortest non-separating simple closed curves with some given topological properties on non-orientable surfaces. While, for orientable surfaces, any two non-separating simple closed curves are related by a…

Computational Geometry · Computer Science 2025-09-18 Denys Bulavka , Éric Colin de Verdière , Niloufar Fuladi

It was shown by Ramanathan \cite{R} that any compact oriented non-simply-connected minimal surface in the three-dimensional round sphere admits at most a finite set of pairwise noncongruent minimal isometric immersions. Here we show that…

Differential Geometry · Mathematics 2015-07-15 M. Dajczer , Th. Vlachos

We survey what is known about minimal surfaces in $\bold R^3 $ that are complete, embedded, and have finite total curvature. The only classically known examples of such surfaces were the plane and the catenoid. The discovery by Costa, early…

Differential Geometry · Mathematics 2016-09-06 David Hoffman , Hermann Karcher

For a closed oriented 3-manifold $Y$ we define $n(Y)$ to be the minimal non-negative number such that in each homotopy class of non-singular vector fields of $Y$ there is a Morse-Smale vector field with less or equal to $n(Y)$ periodic…

Dynamical Systems · Mathematics 2012-02-10 Bijan Sahamie

We construct a complete invariant for non-wandering surface flows with finitely many singular points but without locally dense orbits. Precisely, we show that a flow $v$ with finitely many singular points on a compact connected surface $S$…

Dynamical Systems · Mathematics 2017-03-17 Tomoo Yokoyama

We consider compact connected minimal surfaces, with a pair of boundary curves (not necessarily convex) in distinct planes, that have least-area amongst all orientable surfaces with the same boundary. When the planes containing these two…

Differential Geometry · Mathematics 2008-04-29 Wayne Rossman

Consider the set $\chi^0_{\mathrm{nw}}$ of non-wandering continuous flows on a closed surface. Then such a flow can be approximated by regular non-wandering flows without heteroclinic connections nor locally dense orbits in…

Dynamical Systems · Mathematics 2017-07-19 Tomoo Yokoyama

In this article we show that generally almost regular flows, introduced by Bamler and Kleiner, in closed 3-manifolds will either go extinct in finite time or flow to a collection of smooth embedded minimal surfaces, possibly with…

Differential Geometry · Mathematics 2025-12-01 Alexander Mramor , Ao Sun

We show that there are minimal graphs in R^{n+1} whose intersection with the portion of the horizontal hyperplane contained in the unit ball has any prescribed geometry, up to a small deformation. The proof hinges on the construction of…

Differential Geometry · Mathematics 2018-02-26 Alberto Enciso , M. Angeles Garcia-Ferrero , Daniel Peralta-Salas

We study the new geometric flow that was introduced in [11] that evolves a pair of map and (domain) metric in such a way that it changes appropriate initial data into branched minimal immersions. In the present paper we focus on the…

Differential Geometry · Mathematics 2012-06-01 Melanie Rupflin

We motivate and discuss several recent results on non-existence of irrotational inviscid flow around bounded solids that have two or more protruding corners, complementing classical results for the case of a single protruding corner. For a…

Analysis of PDEs · Mathematics 2016-12-01 Volker Elling

Line fields on surfaces are a means to describe the nematic order that may pattern them. The least distorted nematic fields are called uniform, but they can only exist on surfaces with negative constant Gaussian curvature. To identify the…

Soft Condensed Matter · Physics 2025-06-13 Andrea Pedrini , Epifanio G. Virga

In this paper, we extend a Ma\~n\'e's famous result on expansive homeomorphisms, originally presented in [17], to the setting of flows. Specifically, we provide a complete characterization of minimal expansive flows without fixed points on…

Dynamical Systems · Mathematics 2025-08-22 Alfonso Artigue , Elias Rego

We prove that the Gauss curvature and the curvature of the normal connection of any minimal surface in the four dimensional Euclidean space satisfy an inequality, which generates two classes of minimal surfaces: minimal surfaces of general…

Differential Geometry · Mathematics 2008-06-23 Georgi Ganchev , Velichka Milousheva

In this paper, we study self-expanding solutions for mean curvature flows and their relationship to minimal cones in Euclidean space. In [18], Ilmanen proved the existence of self-expanding hypersurfaces with prescribed tangent cones at…

Differential Geometry · Mathematics 2022-05-31 Qi Ding

We show that any noncompact oriented surface is homeomorphic to the leaf of a minimal foliation of a closed $3$-manifold. These foliations are (or are covered by) suspensions of continuous minimal actions of surface groups on the circle.…

Geometric Topology · Mathematics 2023-09-27 Paulo Gusmão , Carlos Meniño Cotón

Consider a surface $S$ and let $M\subset S$. If $S\setminus M$ is not connected, then we say $M$ \emph{separates} $S$, and we refer to $M$ as a \emph{separating set} of $S$. If $M$ separates $S$, and no proper subset of $M$ separates $S$,…

Combinatorics · Mathematics 2017-12-15 J. J. P. Veerman , William J. Maxwell , Victor Rielly , Austin K. Williams

We establish a curvature estimate for classical minimal surfaces with total boundary curvature less than 4\pi. The main application is a bound on the genus of these surfaces depending solely on the geometry of the boundary curve. We also…

Differential Geometry · Mathematics 2007-12-11 Giuseppe Tinaglia

Consider a pair of smooth, possibly noncompact, properly immersed hypersurfaces moving by mean curvature flow, or, more generally, a pair of weak set flows. We prove that if the ambient space is Euclidean space and if the distance between…

Differential Geometry · Mathematics 2026-01-22 Brian White