Discrete Differential Geometry

Oberwolfach Seminar: 6 - 10 March 2004

Mathematisches Forschungsinstitut Oberwolfach

Organizers

Alexander I. Bobenko, John M. Sullivan, Günter M. Ziegler
Technische Universität Berlin, Institut für Mathematik

Peter Schröder
California Institute of Technology, Computer Science Department
Overview at the webpages of the Forschungsinstitut.

Schedule

Monday

9:00-9:10: Welcome
9:15-10:45: John Sullivan
Curvatures of Curves
11:00-12:00: Alexander Bobenko
Surfaces from Circles: Discrete Willmore Energy
15:30-16:20: Anil Hirani
Discrete Exterior Calculus
16:30-17:00: Lyuba Alboul
Fitting Surfaces to Discrete Data
17:15-17:45: Max Wardetsky
Metric Properties of Triangulations and Convergence

Tuesday

9:00-10:30: Günter Ziegler
Surfaces of High Genus, I
10:50-12:20: Peter Schröder
Invariants of Convex Sets; Smooth Structures on Polyhedral Surfaces
16:00-16:45: Wolfgang Schief
Isometric Deformation of Quadrilateral Surfaces
17:00-17:30: Dagmar Timmreck
Obstructions to Realizability
17:45-18:30: Eitan Grinspun
Discrete Shells

Wednesday

9:00-10:30: Alexander Bobenko
The Discrete Willmore Problem
10:50-12:20: John Sullivan
Discrete Vector Bundles; Discrete Minimal Surfaces
14:00-18:00: Excursion to Oberwolfach Kirche

Thursday

9:00-10:30: Günter Ziegler
Surfaces of High Genus, II: Geometric Realizations
10:50-12:20: Peter Schröder
Parametrization
16:00-16:50: Yuri Suris
Discrete Green's Functions
17:10-17:10: Marc Pouget
Estimation of Differential Quantities, with Application to Ridges of Extremal Curvature
17:50-18:20: Klaus Hildebrandt
Anisotropic Mean-Curvature Flow

Friday

9:00-10:30: Alexander Bobenko
Circle Patterns and Surfaces
10:50-12:20: Peter Schröder
Subdivision Surfaces
16:00-16:50: Carsten Lange
Combinatorial Bochner Methods
17:10-17:10: Tim Hoffmann
Discrete Curves
17:50-18:20: Ulrike Scheerer
On the Convergence of Circle Patterns
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