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math.DG2025

Axisymmetric stationary surfaces for the moment of inertia

Ulrich Dierkes, Rafael López

We investigate axisymmetric surfaces in Euclidean space that are stationary for the energy . By using a phase plane analysis, we classify these surfaces when…

math.DG2025

Conformal quotients of plane waves, and Lichnerowicz conjecture in a locally homogeneous setting

Lilia Mehidi

In the first part of the paper, we study conformal groups that act properly discontinuously and cocompactly on simply connected, non-flat homogeneous plane waves. We show that prop…

math.DG2025

Killing Mean Curvature Solitons from Riemannian Submersions

Diego Artacho, Marie-Amélie Lawn, Miguel Ortega

We present a new general construction of examples of mean curvature solitons on manifolds admitting a nowhere-vanishing Killing vector field. Using Riemannian submersion techniques…

math.DG2025

Weyl metrizability of 3-dimensional projective structures and CR submanifolds

Omid Makhmali

A projective structure is Weyl metrizable if it has a representative that preserves a conformal structure. We interpret Weyl metrizability of 3-dimensional projective structures as…

math.DG2024

Evolution of the Torsional Rigidity under Geometric Flows

Vicent Gimeno i Garcia, Fernán González-Ibáñez

This paper explores the behavior of the torsional rigidity of a precompact domain as the ambient manifold evolves under a geometric flow. Specifically, we derive bounds on torsiona…

math.DG2024

Translators of the Mean Curvature Flow in Hyperbolic Einstein's Static Universe

Miguel Ortega, Buse Yalçın

In this study, we deal with non-degenerate translators of the mean curvature flow in the well-known hyperbolic Einstein's static universe. We classify translators foliated by horos…