2026 - T1 - WS2 - Bridging visualization and understanding in Geometry and Topology

Collection 2026 - T1 - WS2 - Bridging visualization and understanding in Geometry and Topology

Organisateur(s) Abrams, Aarons ; Borrelli, Vincent ; Coulon, Rémi ; Lazarus, Francis
Date(s) 16/02/2026 - 20/02/2026
URL associée https://indico.math.cnrs.fr/event/13125/
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How discrete differential geometry and visualization helped to solve a classical problem in differential geometry

De Alexander Bobenko

We consider a classical problem in differential geometry, known as the Bonnet problem, whether a surface is characterized by a metric and mean curvature function. We explicitly construct a pair of immersed tori that are related by a mean curvature preserving isometry. This resolves a longstanding open problem on whether the metric and mean curvature function determine a unique compact surface. Visualizations based on structure preserving discretizations of Discrete Differential Geometry were used to find crucial geometric properties of surfaces. This is a joint work with Tim Hoffmann and Andrew Sageman-Furnas.

Informations sur la vidéo

Données de citation

  • DOI 10.57987/IHP.2026.T1.WS2.009
  • Citer cette vidéo Bobenko, Alexander (20/02/2026). How discrete differential geometry and visualization helped to solve a classical problem in differential geometry. IHP. Audiovisual resource. DOI: 10.57987/IHP.2026.T1.WS2.009
  • URL https://dx.doi.org/10.57987/IHP.2026.T1.WS2.009

Bibliographie

  • A.I. Bobenko, T. Hoffmann, A. Sageman-Furnas, Compact Bonnet Pairs: isothermic tori with the same curvatures, Publ. math. IHES (2025) https://doi.org/10.1007/s10240-025-00159-z

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