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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
Assistent: Felix Knöppel (knoeppel@math.tuberlin.de)
Previous semester: Winter 2017
