SFB Colloquium
During the semester, the SFB TRR109 organizes a colloquium which takes place every four weeks. The organization of the colloquium alternates between the TU Berlin and the TU Munich. The presentations are broadcast live from the hosting university to the partner university.
 Next Occurrence: 07.05.2019, 14:15  16:30
 Albert Chern: Perfectly matched layers with discrete complex analysis
 Type: Seminar
 Location: TU Berlin and TU Munich
Contact: Niklas Affolter (TUB) and Diane ClaytonWinter (TUM)
Room:
TU Berlin: MA 875, Mathematics Building, Strasse des 17. Juni 136, Berlin
TU Munich: Room 02.06.011, Boltzmannstr. 3, Garching
Time: Tuesdays 14:1516:30
Talks
02.07.2019
 14:15  16:30 TBA
04.06.2019

14:15  15:15
(@TUB)
To be announced,
Béatrice de Tilière (University Paris Dauphine)
07.05.2019

14:15  15:15
(@TUB)
Perfectly matched layers with discrete complex analysis,
Albert Chern (Technische Universität Berlin)
+
29.01.2019

14:15  15:15
(@TUM)
Introduction to pde2path (and some recent additions),
Hannes Uecker (Carl von Ossietzky Universität Oldenburg)
+ 
15:30  16:30
(@TUB)
News from Celestial Mechanics,
Andreas Knauf (FriedrichAlexanderUniversität ErlangenNürnberg)
+
08.01.2019

14:15  15:15
(@TUM)
FiniteDifference Discretization of the AmbrosioTortorelli Functionals,
Annika Bach (TU München)
+ 
15:30  16:30
(@TUM)
Variational Convergence of Discrete Euler Elastica,
Henrik Schumacher (RWTH Aachen)
+
11.12.2018

14:15  15:15
(@TUM)
Approximate curvatures of a varifold,
Gian Paolo Leonardi (University of Modena and Reggio Emilia)
+ 
15:30  16:30
(@TUM)
A review on some mathematical results about crystallization,
Xavier Blanc (Université ParisDiderot)
+
27.11.2018

14:15  15:15
(@TUB)
Holomorphic dynamics connecting geometry, rootfinding, algebra, and the Mandelbrot set,
Dierk Schleicher (Jakobs University Bremen)
+
03.07.2018

14:15  15:15
(@TU Berlin)
D'Alembert type representation for discrete surfaces,
Shimpei Kobayashi (Hokkaido University, Japan & DGD Guest Professor)
+
12.06.2018

14:15  15:15
(@TUB)
Conformal geometry and random surfaces,
Steffen Rohde (University of Washington & DGD Guest Professor)
+ 
15:30  16:30
(@TUM)
Optimizing over convex functions: motivations and challenges,
Guillaume Carlier (Université Paris Dauphine & John von Neumann Professor@TUM)
+
15.05.2018

14:15  15:15
(@TUM)
Solving x’=?,
Konstantin Mischaikow (Rutgers University, USA & DGD Guest Professor)
+
17.04.2018

14:15  15:15
(@TUM)
Wulff shape emergence in graphene,
Elisa Davoli (Universität Wien)
+ 
15:30  16:30
(@TUM)
Numerical Dynamics of Integrodifference Equations,
Christian Pötzsche (AlpenAdriaUniversität, Klagenfurt)
+
06.02.2018

14:15  15:15
(@TUM)
Rattling in spatially discrete reactiondiffusion equations with hysteresis,
Sergey Tikhomirov (SaintPetersburg State University and John v. Neumann Professor @ TUM)
+ 
15:30  16:30
(@TUB)
Matrix KP solitons in a tropical limit, YangBaxter equation and related structures,
Folkert MüllerHoissen (Max Planck Institute for Dynamics and SelfOrganization)
+
09.01.2018

14:15  15:15
(@ TUM)
Exact periodic stripes for minimizers of a local/nonlocal interaction functional in general dimension,
Eris Runa (MPI Leipzig)
+ 
15:30  16:30
(@TUM)
Local phenomena in random dynamical systems: bifurcations, synchronisation, and quasistationary dynamics,
Maximilian Engel (TU München)
+
12.12.2017

14:15  15:15
(@ TU München)
Combinatorial Solutions to Elastic Shape Matching,
Daniel Cremers (TU München)
+
21.11.2017

14:15  15:15
(@TUB)
Complexity of 3Manifolds,
Stephan Tillmann (The University of Sydney)
+ 
15:30  16:30
(@TUB)
The story of infinitesimals: a conspiracy of silence ?,
Daryl Cooper (University of California at Santa Barbara)
+
18.07.2017

14:15  15:15
(@TUB)
Deformations of Spectral curves,
Martin Schmidt (Universität Mannheim)
+ 
15:30  16:30
(@TUB)
The geometric discretisation of the Suslov problem: a case study of consistency for nonholonomic integrators,
Luis García Naranjo (IIMASUNAM, Mexico)
+
20.06.2017

14:15  15:15
(@ TUM)
Iterative refinement processes for manifoldvalued data,
Caroline Moosmüller (University of Passau)
+ 
15:30  16:30
(@ TUM)
Nearoptimal quantization and encoding under various measurement models,
Rayan Saab (University of California, San Diego)
+
23.05.2017

15:30  16:30
(@TUM)
A theoretical framework for the analysis of Mapper,
Mathieu Carrière (INRIA France)
+
02.05.2017

14:15  15:15
(@TUB)
Computing symplectic capacities combinatorially,
Michael Hutchings (UC Berkeley)
+ 
15:30  16:30
(@TUB)
Abelian Higgs Vortices and Discrete Conformal Maps,
Ananth Sridhar (TU Berlin)
+
07.02.2017

14:15  15:15
(@TUM)
Orientational order on surfaces  the coupling of topology, geometry and dynamics,
Axel Voigt (TU Dresden)
+ 
15:30  16:30
(@TUM)
Persistent homology for data: stability and statistical properties,
Frederic Chazal (INRIA France)
+
10.01.2017

14:15  15:15
(@TUB)
The hyperbolic geometry of Markov’s theorem on Diophantine approximation and quadratic forms,
Boris Springborn (TU Berlin)
+ 
15:30  16:30
(@TUM)
On the connection between A/D conversion and the roots of Chebyshev polynomials,
Felix Krahmer (TU München)
+
13.12.2016

14:15  15:15
(@TUM)
Atomistically inspired origami,
Richard D. James (University of Minnesota)
+
15.11.2016

14:15  15:15
(@TUM)
Salem numbers and discrete groups of automorphisms of algebraic surfaces,
Igor Dolgachev (University of Michigan at Ann Arbor & John von Neumann Guest Professor @ Research Group Algebra, TUM)
+ 
15:30  16:30
(@TUB)
Constant mean curvature surfaces in $\mathbb{R}^3$ with Delaunay ends and Hilbert's 21st problem,
Franz Pedit (University of Massachusetts, Amherst)
+
05.07.2016

14:15  15:15
(@TUB)
Schrödinger's Smoke,
Peter Schröder (Caltech)
+ 
15:30  16:30
(@TUB)
News about confocal quadrics,
Yuri Suris (TU Berlin)
+
31.05.2016

14:15  15:15
(@TUB)
Tire track geometry and the filament equation: results and conjectures,
Sergei Tabachnikov (Pennsylvania State University)
+ 
15:30  16:30
(@TUM)
Dynamic isoperimetry and Lagrangian coherent structures,
Gary Froyland (UNSW, Australia)
+
24.05.2016

14:15  15:15
(@TUM)
An Introduction to Distance Preserving Projections of Smooth Manifolds,
Mark Iwen (Michigan State University)
+ 
15:30  16:30
(@TUB)
Numerics of nonlinear Schrödinger equations on long time intervals,
Ludwig Gauckler (TU Berlin)
+
19.04.2016

14:15  15:15
(@TUM)
On a discretization of Conley theory for flows in the setting of discrete Morse theory,
Marian Mrozek (Jageillonian University, Kraków)
+ 
15:30  16:30
(@TUM)
Stability and Approximations in Topological Data Analysis,
Magnus Bakke Botnan (TU München)
+
02.02.2016

14:15  15:15
(@TUM)
Polyhedral Patterns,
Helmut Pottmann (TU Wien, John von Neumann Gastprofessor @ TUM)
+ 
15:30  16:30
(@TUM)
The flux integral revisited: the Lagrangian perspective,
Daniel Karrasch (TU München)
+
08.12.2015

14:15  15:15
(@TUB)
On limit shapes and their integrability,
Nicolai Reshetikhin (UC Berkeley)
+ 
15:30  16:30
(@TUB)
Surfaces containing two circles through each point,
Mikhail Skopenkov (NRU HSE, IITP RAS)
+
10.11.2015

14:15  15:15
(TU Berlin)
Geometric YangBaxter maps in noncommuting variables, and their semicommutative reductions,
Adam Doliwa (University of Warmia and Mazury)
+ 
15:30  16:30
(TU Berlin)
The Ribbonlength of Knot Diagrams,
John Sullivan (TU Berlin)
+
22.09.2015

14:15  15:15
(@TUM, live broadcast to TUB)
Domain Filling Circle Packings  Existence and Uniqueness,
David Krieg (TU Freiberg)
+ 
15:30  16:15
(@TUM, live broadcast to TUB)
Molecular structures generated by discrete symmetries, Xray diffraction, and structure identification.,
Gero Friesecke (TU München)
+
14.07.2015

14:15  15:15
(@TUM)
Interactive Visualization of 2D Persistent Homology,
Michael Lesnick (IMA, University of Minneapolis & Columbia University, NY)
+ 
15:30  16:30
(@TUM)
Cheeger constants and frustration indices for magnetic Laplacians on graphs and manifolds,
Norbert Peyerimhoff (University of Durham, UK)
+
16.06.2015

14:15  15:15
(TU Berlin)
Algebraic entropy, a measure of complexity for rational discrete systems,
Claude Viallet (Université Pierre et Marie Curie, Paris)
+ 
15:30  16:30
(TU Berlin)
Tiling of triplyperiodic minimal surfaces,
Myfanwy Evans (TU Berlin)
+
19.05.2015

14:15  15:15
(@ TUM)
Confined elastic curves,
Matteo Novaga (Universitá di Pisa, John von Neumann Gastprofessor)
+ 
15:30  16:30
(@TUM)
Dynamics of Discrete Screw Dislocations in SC, BCC, FCC and HCP crystals,
Lucia de Luca (TU München)
+
21.04.2015

14:15  15:15
(TU Berlin)
Navigating the space of symmetric CMC surfaces,
Sebastian Heller (Universität Tübingen)
+ 
15:30  16:30
(TU Berlin)
Tropical $(p,q)$homology and algebraic cycles,
Kristin Shaw (TU Berlin)
+
10.02.2015

14:15  15:15
(TU Berlin)
Discrete variational mechanics in structurepreserving integration and optimal control,
Sina OberBlöbaum (Uni Paderborn/FU Berlin)
+ 
15:30  16:30
(TU Berlin)
The Chemical Master Equation as a discretization of the FokkerPlanck and Liouville equation for chemical reactions,
Alexander Mielke (WIAS Berlin)
+
27.01.2015

14:15  15:15
(@ TUM)
What is the semiclassical limit of nonHermitian time evolution? ,
Roman Schubert (Bristol University, UK)
+ 
15:30  16:30
(@ TUM)
Combinatorial Models for Random Matrices with Gaussian Entries,
Michael La Croix (MIT Massachusetts)
+
13.01.2015

14:15  15:15
(TU München)
Signed graphs, nested set complexes and spines,
Carsten Lange (TU München)
+ 
15:30  16:30
(TU München)
Approximation and Convergence of the Intrinsic Volume,
Herbert Edelsbrunner (IST Austria)
+
16.12.2014

14:15  15:15
(TU Berlin)
A portrait of Arnold Diffusion,
Vassili Gelfreich (University of Warwick)
+ 
15:30  16:30
(TU Berlin)
Hausdorff dimension in transcendental dynamics,
Dierk Schleicher (Jacobs University Bremen)
+
18.11.2014

14:15  15:15
(TU München)
The Morse theory of Čech and Delaunay filtrations,
Ulrich Bauer (TU München)
+ 
15:30  16:30
(TU München)
From Shapes to Shape Spaces,
Max Wardetzky (Universität Göttingen)
+
21.10.2014

14:15  15:15
(TU Munich)
The symplectic camel and the uncertainty principle,
Maurice de Gosson (Universität Wien)
+ 
15:30  16:30
(TU Berlin)
Integer partitions from a geometric viewpoint,
Matthias Beck (San Francisco State University)
+
24.06.2014

14:15  15:15
(TU Berlin)
Universal aspects of geometric and algebraic integrability in Pluecker and Lie geometry,
Wolfgang Schief (University of New South Wales, Australia)
+ 
15:30  16:30
(TU Munich)
The Geometry and Dynamics of Semiclassical Wave Packets,
Tomoki Ohsawa (University of MichiganDearborn, USA)
+
27.05.2014

14:15  15:15
(TU Munich)
Solving problems in algebraic geometry using applied mathematics,
Hartmut Monien (Universität Bonn)
+ 
15:30  16:30
(TU Berlin)
Smoke Rings from Smoke,
Peter Schröder (Caltech)
+
29.04.2014

14:15  15:15
(TU Munich)
The multivariate HermiteLaguerre connection,
Caroline Lasser (TU München)
+ 
15:30  16:30
(TU Munich)
Geometric Methods for the Approximation of Highdimensional Dynamical Systems,
Mauro Maggioni (Duke University, Durham)
+
04.02.2014

14:15  15:15
(TU Berlin)
The RiemannHilbert Method,
Alexander Its (Indianapolis)
+ 
15:30  16:30
(TU Berlin)
Lattice Polygons and Real Roots,
Michael Joswig (TU Berlin)
+
07.01.2014

14:15  15:15
(TU Munich)
Variational methods for lattice systems,
Marco Cicalese (TU München)
+ 
15:30  16:30
(TU Munich)
Mean Field Sparse Optimal Control,
Massimo Fornasier (TU München)
+
10.12.2013

14:15  15:15
(TU Berlin)
The Euclidean Distance Degree,
Bernd Sturmfels (UC Berkeley and MPI Bonn)
+ 
15:30  16:30
(TU Munich)
Cell Packing Structures,
Johannes Wallner (University Graz)
+
12.11.2013

14:15  15:15
(TU Munich)
On a surface theory for quadrilateral nets,
Tim Hoffmann (TU München)
+
15.10.2013

14:15  15:15
(TU Berlin)
Bianchi (hyper)cubes and a geometric unification of the Hirota and Miwa equations,
Wolfgang Schief (University of New South Wales, Australia)
+ 
15:30  16:30
(TU Berlin)
The critical temperature for the Ising model on biperiodic graphs,
David Cimasoni (University of Geneva)
+
02.07.2013

16:15  17:15
(TU Munich)
Rigidity of origami surfaces,
Ileana Streinu (Smith College, Northampton, USA)
+ 
17:30  18:30
(TU Munich)
Rigidity and flexibility of periodic frameworks,
Ciprian S. Borcea (Rider University, Northampton, USA)
+
04.06.2013

16:15  17:15
(TU Berlin)
Minimumcardinality triangulations of polytopes and manifolds,
Julian Pfeifle (Universitat Politècnica de Catalunya)
+ 
17:30  18:30
(TU Berlin)
Variational Time Discretization of Geodesic Calculus in Shape Space,
Martin Rumpf (Universität Bonn)
+
07.05.2013

16:15  17:15
(TU Munich)
Linearizing Hilbert Nullstellensatz and the Orientability of Matroids,
Jesus de Loera (Univ. of California, Davis & John Neumann Gastprofessor, TU Munich)
+ 
17:30  18:30
(TU Munich)
Complex matroids: rigidity and syzygies,
Jürgen RichterGebert (TU Munich)
+
16.04.2013

16:15  17:15
(TU Berlin)
Discrete and continuous integrable systems on cluster varieties,
Vladimir Fock (Univ. Strasbourg)
+ 
17:30  18:30
(TU Berlin)
Variational formulation of commuting Hamiltonian flows,
Yuri B. Suris (TU Berlin)
+