
Geometry Group
Members
Projects
Lehre
Verlaufspläne:
Bachelor
Diplom
Vergangene Semester
Seminare
Images,
Videos, and Games
Virtual
Math Labs
Software
Contact



Student seminar Differential Geometry and Mathematical Physics (Summer 2018)
 The available topics will be presented at the introductory meeting on Tuesday April 24 at 14:15 in MA 874/875.
 The assignment of topics will be on Wednesday May 2 at 14:15 in MA 874/875.
This is a block seminar. Each student has to give a 45 minute talk at the end of the semester. Each student has to attend at least 10 talks.
Talks
Monday, 9 July
Name  Titel  Zeit 
Denis Güldner  Finite earthquakes and the associahedron  16:00 
Marco Buhlheller  An inequality for the volume of a tetrahedron  17:00 
Wednesday, 11 July
Name  Titel  Zeit 
Julien Grubisic  A linear variational principle for Riemannian mappings and discrete conformality  12:00 
Jan Putzig  Smooth polyhedral surfaces  13:00 
Nilay Tali  Geodesic and horocyclic flows  14:00 
Friday, 13 July
Name  Titel  Zeit 
Susanne Biebler  Discrete geodesic nets for modelling developable surfaces  14:00 
Viktoria Schwarzott  A reflectionless discrete perfectly matched layer  15:00 
Oliver Gross  Developable surface flow  16:00 
Monday, 16 July
Name  Titel  Zeit 
Martin Hanik  Optimal cone singularities for conformal flattening  14:00 
Kai Henning  A Dirac operator for extrinsic shape analysis  15:00 
Tuesday, 17 July
Name  Titel  Zeit 
Stefanie Schindler  Pentagram maps and refactorization in PoissonLie groups  10:00 
Dankwart Northe  Limit shapes of the stochastic six vertex model  11:00 
Wednesday, 18 July
Name  Titel  Zeit 
Johnanna Düntsch  Gauss' linking number revisited  13:00 
José Mandujano  Bubble clusters in 2D  14:00 
Matthias Scheer  Random triangles and polygons in the plane  15:00 
Friday, 20 July
Name  Titel  Zeit 
Fabian Bittl  Shapes of polyhedra and triangulations of the sphere  10:00 
Harikrishnan Mulackal  Shapes of polyhedra and triangulations of the sphere  11:00 
All talks will take place at MA 874/875, all times s.t.
Topics
Alexander Bobenko
 Spherical and hyperbolic conics [arxiv] (B,M)
 Smooth polyhedral surfaces [arxiv] (M), slides of talk "Smoothness concepts for polyhedral surfaces" (Pottmann, April 2018)
 A linear variational principle for Riemannian mappings and discrete conformality [arxiv] (M)
 Holomorphic quadratic differentials on graphs and the chromatic polynomial [arxiv] (B,M)
 The massive Laplacian on isoradial graphs [arxiv] (M)
Ulrich Pinkall
 A reflectionless discrete perfectly matched layer [arxiv] (B,M)
 Optimal cone singularities for conformal flattening [pdf] (B,M)
 Discrete geodesic nets for modelling developable surfaces [arxiv] (B,M)
 Developable surface flow [pdf] (B,M)
 Variational surface cutting [pdf] (B,M)
Boris Springborn
 Shapes of polyhedra and triangulations of the sphere, article by Thurston [arxiv], notes by Schwartz [arxiv], 12 talks (B,M)
 Finite earthquakes and the associahedron [mathscinet], [pdf] (B,M)
 Geodesic and horocyclic flows, article by Shapira [pdf], introduction to hyperbolic surfaces by Labourie [pdf], 12 talks (B,M)
 An inequality for the volume of a tetrahedron [doi] (B)
John Sullivan
 Gauss' linking number revisited [pdf] (B)
 Random triangles and polygons in the plane [arxiv] (B,M)
 Bubble clusters in 2D [] (M)
Responsible professors
Assistant: Felix Knöppel (knoeppel@math.tuberlin.de)
Previous semester: Winter 2017
