20. 03. 2012 |
Mikhail Skopenkov (IITP RAS, Moscow)
Convergence of discrete period matrices
|
20. 12. 2011 |
Alexander Its (Indiana University Purdue University Indianapolis)
Painlevé Transcendents in Physics. The Riemann-Hilbert Point of View.
|
24. 11. 2011, 14:15
FU, Arnimallee 2 |
Igor Rivin (Temple University)
Hyperbolic polyhedra
IV
|
17. 11. 2011, 14:15
FU, Arnimallee 2 |
Igor Rivin (Temple University)
Hyperbolic polyhedra
III
|
08. 11. 2011
|
Igor Rivin (Temple University)
Hyperbolic polyhedra
II
|
28. 10. 2011
10:15 |
Igor Rivin (Temple University)
Hyperbolic polyhedra
I
|
21. 09. 2011
MA 851 |
Johannes Wallner (TU Graz)
Circular arc
structures
|
13. 09. 2011
MA 551 |
Mikhail Skopenkov (IITP RAS, KAUST)
On the boundary
value problem for discrete analytic functions
|
12. 07. 2011
|
George Shapiro (University of Massachusets,
Amherst)
Discrete
Differential Geometry in Twistor Space
|
05. 07. 2011
|
Boris Hasselblatt (Tufts University)
Legendrian knots
and nonalgebraic contact Anosov flows on 3-manifolds
|
28. 06. 2011
|
Francesco Calogero (University of Rome "La
Sapienza")
Isochronous
dynamical systems, the arrow of time and the definitions
of "chaotic" versus "integrable" behaviors
|
14. 06. 2011
|
Sebastian Heller (Universität
Tübingen)
A spectral curve
for Lawson's genus 2 surface
|
27. 05. 2011
MA 879, 12:15 |
Sergey Agafonov (Federal University of
Paraiba, João Pessoa, Brazil)
Singular hexagonal
3-webs with holomorphic Chern connection and infinitesimal
symmetries
|
24. 05. 2011
|
Dmitry Korotkin (Concordia University,
Montreal)
Higher genus
generalization of Weierstrass sigma-functions
|
10. 05. 2011
|
Ian Marschall (Moscow)
Poisson structure
associated to differential and difference operators - with
the Toda lattice and KdV as examples
|
30. 03. 2011
MA 313, 11:00 |
Elena Klimenko (Universität
Düsseldorf)
Discrete groups of
isometries in hyperbolic 3-space
|
23. 03. 2011
MA 313, 11:00 |
Vladimir Dragovic (Uni Lisboa, SANU Beograd)
From Poncelet
porisms to quad-graphs: discrete differential-geometric
structures approach
|
16. 03. 2011
MA 313, 11:00 |
Vasilisa Shramchenko (Université de
Sherbrooke, Canada)
Hurwitz Frobenius
manifolds and cluster algebras
|
09. 03. 2011
MA 313, 11:00 |
Grigory Mikhalkin (Université de
Genève)
Complex algebraic
geometry in the tropical limit
|
02. 03. 2011
MA 313, 11:00 |
Hartmut Weiß (LMU München)
Starrheit und
Flexibilität von hyperbolischen
Kegelmannigfaltigkeiten und Polyedern
|
23. 02. 2011
MA 313, 11:00 |
Franz Schuster (TU Wien)
Integralgeometrie
und isoperimetrische Ungleichungen
|
15. 02. 2011
|
Max Wardetzky (Universität
Göttingen)
Discrete
Differential Operators - structure preservation,
convergence & applications
|
09. 02. 2011
MA 313, 11:00 |
Olaf Post (HU Berlin)
Spektrale
Eigenschaften verzweigter Strukturen
|
08. 02. 2011
|
Raphael Boll (TU Berlin)
Classification of
3D consistent quad-equations
|
01. 02. 2011
|
Felix Günther (HU Berlin)
Integrable discrete
Laplace equations with convex variational principles
|
25. 01. 2011
|
Olga Holtz (TU Berlin)
From box splines to
discrete geometry: zonotopal algebra, analysis, and
combinatorics
|
04. 01. 2011
|
Udo Hertrich-Jeromin (University of Bath)
Special
Lie-applicable surfaces
|
14. 12. 2010
|
Ulrich Pinkall (TU Berlin)
Notes on Discrete
Exterior Calculus II
|
07. 12. 2010
|
Ulrich Pinkall (TU Berlin)
Notes on Discrete
Exterior Calculus I
|
23. 11. 2010
|
Vladimir Bazhanov (Australian National
University, Canberra)
A master solution
to the quantum Yang-Baxter equation and classical discrete
integrable equations
|
16. 11. 2010
|
Dmitry Sinitsyn (Moscow State University)
Geodesics on
deformed spheres studied using an asymptotic Hamiltonian
reduction
|
02. 11. 2010
|
Ivan Izmestiev (TU Berlin)
Infinitesimal
rigidity of convex surfaces via the Hilbert-Einstein
functional: The smooth case
|
26. 10. 2010
|
Ivan Izmestiev (TU Berlin)
Infinitesimal
rigidity of convex surfaces via the Hilbert-Einstein
functional
|
29. 06. 2010
|
Alexander Its (Purdue University)
Asymptotics of
Toeplitz, Hankel and Toeplitz + Hankel determinants with
Fisher-Hartwig singularities. The Riemann-Hilbert
Approach.
|
22. 06. 2010
MA 212
|
Daniel Matthes (TU Wien)
Some nonlinear
equations of fourth order, their gradient flow
representation, and ideas for discretization
Video conference with TU Munich |
01. 06. 2010
|
Esfandiar Navayazdani (Drexel University and
TU Berlin)
Subdivision of
Manifold-Valued Data |
18. 05. 2010
|
Rob Kusner (University of Massachusets,
Amherst)
TBA: Triangulations, Belyi, Abel, etc.
(Complex analysis in service of combinatorial geometry)
|
11. 05. 2010
MA 212 |
Peter Schröder (Caltech)
A Simple Geometric
Model for Elastic Deformations
Video conference with TU Munich |
10. 05. 2010
MA 041, 16:00 |
Tom Banchoff (Brown University)
Self-Linking,
Inflections, and the Normal Euler Class for Smooth and
Polyhedral Surfaces in Four-Space
Jointly with MDS
|
04. 05. 2010
|
Volker Mehrmann (TU Berlin)
Structured
differential-algebraic systems and their structured
discretization |
20. 04. 2010
|
Ulrike Bücking (TU Berlin)
Approximation of
conformal mappings by conformally equivalent triangle
meshes in case of an equilateral lattice |
16. 04. 2010
|
Gero Friesecke (TU Munich)
Energieminimierung
und Kristallisation
Video conference with TU Munich |
15. 12. 2009
|
Vladimir Oliker (Emory University)
Designing lenses
with help from geometry and optimal transport |
17. 11. 2009
|
Raphael Boll (TU Berlin)
On Non-Symmetric
Discrete Relativistic Toda Systems and Their Relation to
Quad-Graphs |
10. 11. 2009
|
Andreas Pfadler (TU Berlin)
Hirota-Kimura
Discretization Of Integrable Systems of Ordinary
Differential Equations |
13. 10. 2009
|
Stefan Felsner (TU Berlin)
Triangle Contact
Representations |
29. 09. 2009
MA 550 |
Hannes Sommer (TU Berlin)
Energy-preserving
discretization of incompressible fluids |
14. 07. 2009
|
Keenan Crane (Caltech)
Lie Group
Integrators for Animation and Control of Vehicles |
07. 07. 2009
|
Yuri Suris (TU Berlin)
On geometry,
algebra and combinatorics of discrete integrable 3d
systems |
10. 03. 2009
|
Ulrich Brehm (TU Dresden)
A Universality
Theorem for Realization Spaces of Maps |
10. 02. 2009
|
Ivan Izmestiev (TU Berlin)
Dual metrics of
convex polyhedral cusps |
03. 02. 2009
|
Carsten Lange (FU Berlin)
Geometry and
combinatorics of associahedra |
27. 01. 2009
|
Michael Joswig (TU Darmstadt)
Generalized
quadrangles and polar spaces |
06. 01. 2009
|
H. Si, J. Fuhrmann, K. Gaertner (WIAS Berlin)
Delaunay mesh
generation and some related discrete geometry problems
|
09. 12. 2008
|
Matthias Weber (Indiana University)
Triply periodic
Minimal surfaces - a unified approach |
02. 12. 2008
|
Dirk Ferus (TU Berlin)
Reilly's proof of
the Alexandrov soap bubble theorem |
11. 11. 2008
|
Felix Effenberger (Universität Stuttgart)
Hamiltonian
submanifolds of regular polytopes |
04. 11. 2008
MA 415 |
Boris Springborn (TU Berlin)
Konforme Äquivalenz von Dreiecksnetzen |
23. 09. 2008
MA 851 |
Vladimir Dragovic (IHES, Paris/Math. Institute
SANU, Belgrade)
Poncelet Porisms
and Beyond |
12. 09. 2008
10:15, MA 841 |
Nikolai Dolbilin (Steklov Mathematical
Institute)
Parallelohedra:
Classical Theorems by Minkowski, Voronoi and Beyond |
09. 09. 2008
MA 851 |
Vladimir Bazhanov (Australian National
University)
Quantum Geometry of
3-dimensional lattices |
15. 07. 2008
|
Silke Möser (TU Darmstadt)
Cubical
Projectivities |
08. 07. 2008
|
Sergey Norin (Princeton University)
Divisors on graphs
|
17. 06. 2008
|
Ulrich Bauer (FU Berlin)
Uniform convergence
of discrete curvatures on nets of curvature lines |
13. 06. 2008
14:15, MA 751 |
Dmitri Chelkak (St. Petersburg University)
Universality for
the Ising model on the isoradial graphs |
03. 06. 2008
|
Peter Schröder (Caltech)
Everything you
always wanted to know about numerical algorithms but never
dared to ask! Part III |
27. 05. 2008
|
Peter Schröder (Caltech)
Everything you
always wanted to know about numerical algorithms but never
dared to ask! Part II |
20. 05. 2008
|
Peter Schröder (Caltech)
Everything you
always wanted to know about numerical algorithms but never
dared to ask! |
15. 04. 2008
|
Kristoffer Josefsson (TU Berlin)
Mathematics in
architecture |
01. 04. 2008
|
Udo Hertrich-Jeromin (University of Bath)
Discrete CMC
surfaces in space forms |
11. 03. 2008
|
Christophe Barlieb (cdmb architects)
Hidden Dimensions
|
26. 02. 2008
|
Joachim Linn (Fraunhofer ITWM, Kaiserslautern)
Discrete rods from
geometric finite differences |
20. 02. 2008
14:15 |
Maria Ares Ribo Mor
Embedding
3-Polytopes on Small Integer Grids |
12. 02. 2008 |
Ivan Izmestiev (TU Berlin)
Projective
properties of the infinitesimal rigidity of frameworks
|
16. 10. 2007 |
Ivan Izmestiev (TU Berlin)
Connecting
geometric triangulations by stellar moves |
05. 10. 2007
12:15, MA 750 |
Helmut Pottmann (TU Wien)
Architectural
Geometry |
27. 09. 2007
14:00, MA 313 |
Nikolaus Witte (TU Berlin)
Knotted Tori |
13. 07. 2007 |
Jerrold Marsden (Caltech)
Discrete Exterior
Calculus and Asynchronous Variational Integrators for
Computational Electromagnetism |
10. 07. 2007 |
Wayne Rossman (Kobe University)
Conserved
quantities and discrete surfaces |
03. 07. 2007 |
Nico Düvelmeyer (TU Berlin)
Embeddings of
partially given metric spaces |
26. 06. 2007 |
Michael Baake (Universität Bielefeld)
Coincidence site
lattices and their generalizations |
19. 06. 2007 |
Julian Pfeifle (Universitat Politècnica
de Catalunya)
Gale duality bounds
for the zeros of polynomials with nonnegative coefficients
|
05. 06. 2007 |
Nikolaus Witte (TU Berlin)
Constructing
simplicial branched covers |
22. 05. 2007 |
Max Wardetzky (FU Berlin)
Discrete bending
energies |
15. 05. 2007 |
John Sullivan (TU Berlin)
Medial axes in
Moebius geometry |
08. 05. 2007 |
Kristoffer Josefsson (TU Berlin)
The four vertex
theorem for polygons |
24. 04. 2007 |
Boris Springborn (TU Berlin)
There are no
(5,7)-triangulations of the torus, and similar theorems.
Function theoretic proofs. |
03. 04. 2007 |
Marc Alexa (TU Berlin)
Fair triangulated
surfaces from positional constraints at interactive rates
|
28. 03. 2007
14:15 |
Jürgen Richter-Gebert (TU München)
Recognition of
computationally contructed loci |
30. 01. 2007 |
Ivan Izmestiev (TU Berlin)
The Colin de
Verdiere graph parameter and rigidity of convex polytopes
|
05. 12. 2006 |
Hang Si (WIAS, Berlin)
Toward 3D boundary conforming Delaunay mesh generation |
21. 11. 2006 |
David Cohen-Steiner (INRIA, Sofia-Antipolis)
Topological Persistence |
14. 11. 2006 |
Sergey Tsarev (TU Berlin)
Approximation of continuous curvature lines with circular
patterns |
01. 11. 2006
14:15 |
Torsten Langer (Max-Planck-Institut für
Informatik, Saarbrücken)
Barycentric Coordinates for Spherical Polygons and Polyhedra
in R^3 |
31. 10. 2006 |
Alexander Belyaev (Max-Planck-Institut für
Informatik, Saarbrücken)
Continuous Barycentric Coordinates |
24. 10. 2006 |
Vladimir Bazhanov (Australian National
University, Canberra)
Ubiquitous Bethe Ansatz |
17. 10. 2006 |
Peter Schröder (Caltech)
Smooth Tangent Vector Fields on Arbitrary Topology Surfaces
through Subdivision |
10. 10. 2006 |
Francois Fillastre (University of Neuchatel,
University of Toulouse)
Realisation of metrics on compact surfaces, an overview |
26. 09. 2006 |
Lilya Kharevych (Caltech)
Geometric, Variational Integrators for Computer Animation |
25. 08. 2006 |
Nikolaus Witte (TU Berlin)
Construction of combinatorial 4-manifolds as branched covers
|
07. 07. 2006 |
Michael Joswig (TU Darmstadt)
Optimale diskrete Morsefunktionen |
23. 06. 2006 |
Alexey Kokotov (Concordia University, Montreal)
Flat conical metrics on Riemann surfaces and determinants of
Laplacians |
12. 05. 2006 |
Ivan Izmestiev (TU Berlin)
Mixed volumes and Alexandrov theorem |
05. 05. 2006 |
Ivan Izmestiev (TU Berlin)
Mixed volumes and Minkowski theorem |
21. 04. 2006 |
Johannes Wallner (TU Wien)
Smoothness analysis of subdivision schemes on manifolds |
24. 03. 2006 |
Ivan Izmestiev (TU Berlin)
There is no triangulation of the torus with vertex degrees
5,6,...,6,7 |
03. 03. 2006 |
John Sullivan (TU Berlin)
Pak's new proof of the rigidity of convex polyhedra |
17. 02. 2006 |
Jointly with the seminar "Energies and flows for space
curves".
Steffen Weissmann (TU Berlin)
Realtime simulation of fluid flow |
10. 02. 2006 |
Frank Lutz (TU Berlin)
Polyhedral Surfaces and Higher-Dimensional Manifolds |
20. 01. 2006 |
Wolfgang Schief (UNSW Sydney)
Plasma confinement, differential geometry and soliton theory
|
16. 12. 2005 |
Ivan Izmestiev (TU Berlin)
Existence and uniqueness of a convex cap with a given
metric: Variational approach |
02. 12. 2005 |
Sergey Tsarev (TU Berlin)
The Monge Problem: quadrature-free integration of nonlinear
ODEs, Pfaffian forms and efficient car parking |
25. 11. 2005 |
Thorsten Theobald (TU Berlin)
Liniengeometrische Probleme und ihre diskreten Modelle |
18. 11. 2005 |
Boris Springborn (TU Berlin)
Rivin's variational principle for Delaunay triangulations
and a generalization to weighted triangulations (part 2) |
11. 11. 2005 |
Boris Springborn (TU Berlin)
Rivin's variational principle for Delaunay triangulations
and a generalization to weighted triangulations (part 1) |
04. 11. 2005 |
Nikolaus Witte (TU Berlin)
Balanced Triangulations of Lattice Polytopes |
21. 10. 2005 |
Ulrike Scheerer (TU Berlin)
Convergence of circle patterns |
01. 07. 2005 |
Ulrich Pinkall (TU Berlin)
Smooth and polygonal smoke rings (part 2) |
24. 06. 2005 |
Ulrich Pinkall (TU Berlin)
Smooth and polygonal smoke rings (part 1) |
10. 06. 2005 |
Nicolai Reshetikhin (UC Berkeley)
Pearcey scaling in random skew plane partitions |
02. 06. 2005
Thursday 14:15
MA 744 |
Joint seminar with the discrete geometry group at TU
Berlin.
Oleg Karpenkov (IMU Moscow)
Multidimensional continued fractions |
20. 05. 2005
9:00
MA 415 |
Joint seminar with the geometry group at TU Berlin.
Wolfgang Schief (UNSW Sydney)
On parallel surfaces: Geometry, integrability,
discretization and applications |
19. 05. 2005
Thursday 16:15
MA 313 |
Joint seminar with the geometry group at TU Berlin.
Franz Pedit (U Mass Amherst)
Flächengeometrie und integrable Systeme: glatt und
diskret |
18. 05. 2005
Wednesday 16:15
MA 313 |
Joint seminar with the geometry group at TU Berlin.
Norbert Peyerimhoff (University of Durham)
Krümmung im diskreten und kontinuierlichen Fall:
Analogien und Unterschiede |
13. 05. 2005
MA 313 |
Joint seminar with the geometry group at TU Berlin.
Monika Ludwig (TU Wien)
Zur affinen Geometrie konvexer Körper |
12. 05. 2005
Thursday 16:15
MA 415 |
Joint seminar with the geometry group at TU Berlin.
Tim Hoffmann (LMU München)
Diskretisierung integrabler Geometrien |
29. 04. 2005
MA 415 |
Joint seminar with the geometry group at TU Berlin.
Wilderich Tuschmann (Universität Münster)
Geometrie und Topologie fast nicht-negativer Krümmung |
28. 04. 2005
Thursday 18:00
MA 415 |
Joint seminar with the geometry group at TU Berlin.
Michael Joswig (TU Darmstadt)
Färbungen von konvexen Polytopen und kombinatorischen
Mannigfaltigkeiten |
22. 04. 2005
MA 313 |
Joint seminar with the geometry group at TU Berlin.
Yuri Suris (TU München)
Multidimensionale Verträglichkeit als Leitprinzip der
integrablen Differentialgeometrie |
21. 04. 2005
Thursday 17:15
MA 415 |
Joint seminar with the geometry group at TU Berlin.
Ilka Agricola (HU Berlin)
Spezielle Geometrien, Holonomie und String-Theorie |
15. 04. 2005 |
Christoph Bohle (TU Berlin)
Darboux Transformations and Spectral Curves of Discrete
2-Tori in S^4
(Joint work with F. Pedit and U. Pinkall) |
18. 03. 2005 |
Boris Springborn (TU Berlin)
Discrete conformal mapping via circle patterns |