Kis-Sem: Keep it simple Seminar
This weekly seminar is intended for PhD Students and Postdocs to informally discuss topics in the field of Geometry and Mathematical Physics.
- Last Occurrence: 30.05.2023, 14:15 - 15:15
- Type: Seminar
- Location: TU Berlin, MA875 H-Cafe
Talks
30.05.2023
-
14:15 - 15:15
Projective matrix geometry,
Niklas Affolter (TU Berlin)
16.05.2023
-
14:15 - 15:15
Projective matrix geometry,
Niklas Affolter (TU Berlin)
07.12.2022
-
12:15 - 13:15
A new construction for discrete elastic curves,
Jannik Steinmeier (TUM)
+
23.11.2022
-
12:15 - 13:15
The Gauss map of S-CMC surfaces of type I,
Nina Smeenk (TU Berlin)
+
02.11.2022
-
12:15 - 13:15
Discrete surfaces via binets: Geometry (Part II),
Jan Techter (TU Berlin)
+
28.10.2022
-
12:15 - 13:15
Discrete surfaces via binets: Geometry,
Jan Techter (TU Berlin)
+
08.12.2021
-
14:15 - 15:15
Classification of untwisted weaving diagrams,
Sonia Mahmoudi (Tohoku University)
+
10.11.2021
-
14:15 - 15:15
An introduction to counting closed geodesics on translation surfaces.,
Samantha Fairchild
+
27.10.2021
-
14:15 - 15:15
Hyperbolic Dehn surgery and the volume of 3-torus knots,
Max Krause
20.10.2021
-
14:15 - 15:15
Incidence theorems for Q-nets that are inscribed in quadrics,
Alexander Fairley (TU Berlin)
+
13.10.2021
-
14:15 - 15:15
Computing hyperbolic structures on 3-manifolds,
Fabian Bittl
31.03.2020
-
14:00 - 15:00
Integrability in octahedral lattices via diagrams,
Niklas Affolter
24.03.2020
-
14:00 - 15:00
Concepts of integrability around discrete maps,
Niklas Affolter
24.02.2020
-
12:00 - 13:00
Discrete confocal quadrics and checkerboard incircular nets,
Jan Techter
16.12.2019
-
14:00 - 15:00
Hyperbolic complements of knots,
Max Krause
11.11.2019
-
12:00 - 13:00
TBA,
Yousuf Soliman (Caltech)
22.10.2019
-
12:00 - 13:00
Isothermal constrained Willmore tori,
Jonas Tervooren
11.10.2019
-
12:00 - 13:00
Structures in three-dimensional Euclidean space from hyperbolic tilings,
Benedikt Kolbe
30.08.2019
-
12:00 - 13:00
Subdivision in the geometries of circles, spheres and lines,
Niklas Affolter
23.08.2019
-
12:00 - 13:00
Discrete period matrices for branched coverings of the sphere and their convergence,
Ulrike Bücking
02.08.2019
-
12:00 - 13:00
The Multivariable Alexander Polynomial for Periodic Links,
Max Krause
19.07.2019
-
12:00 - 13:00
Elementary divisors and the classification of pencils of quadrics,
Jan Techter
05.07.2019
-
12:00 - 13:00
On asymptotic, characteristic, circular and curvature lines on quadrics,
Jan Techter
21.06.2019
-
12:00 - 13:00
Carnot's Theorem and Quadrics,
Alexander Fairley
+
14.06.2019
-
12:00 - 13:00
On Bubble Rings and Ink Chandeliers,
Marcel Padilla
+
11.06.2019
-
14:00 - 15:00
Existence of piecewise linear metrics with constant discrete Gaussian curvature, part 2,
Hana Kourimska
07.06.2019
-
12:00 - 13:00
Discretization via loop groups and Discrete mean curvature coordinates,
Alexander Preis
03.06.2019
-
12:00 - 13:00
Existence of piecewise linear metrics with constant discrete Gaussian curvature, part 1,
Hana Kourimska
17.05.2019
-
12:00 - 13:00
The Loewner energy of curves and loops,
Yizheng Yuan
+
10.05.2019
-
12:00 - 13:00
Stretch deformations of complete finite area hyperbolic surfaces,
Lara Skuppin
16.04.2019
-
14:00 - 15:00
Babich Bobenko tori and why they can not be embedded, part 2,
Jonas Tervooren
12.04.2019
-
12:00 - 13:00
Babich Bobenko tori and why they can not be embedded,
Jonas Tervooren
+
01.03.2019
-
12:00 - 13:00
Discrete Uniformization for surfaces of hyperbolic type with boundary,
Isabella Retter
22.02.2019
-
12:00 - 13:00
Discrete integrable systems and Mobius geometry,
Niklas Affolter
01.02.2019
-
12:00 - 13:00
Computational problems from a geometric perspective,
Albert Chern
18.01.2019
-
12:00 - 13:00
Riemannian approach to Teichmüller theory,
Christoph Seidel
07.12.2018
-
12:00 - 13:00
Periodic knot theory and colored link invariants,
Max Krause
+
04.12.2018
-
14:00 - 15:00
On the projective geometry of inscribed conics,
Alexander Fairley
30.11.2018
-
12:00 - 13:00
Simulating Hurricanes on Bunnies, Point Vortex Dynamics on Closed Surfaces,
Marcel Padilla
+
16.11.2018
-
12:00 - 13:00
Laguerre Geometry in Space Forms,
Carl Lutz
09.11.2018
-
12:00 - 13:00
Contact Hamiltonian dynamics,
Mats Vermeeren
+
02.11.2018
-
12:00 - 13:00
Curved Folding,
Leonardo Alese (TU Graz)
26.10.2018
-
12:00 - 13:00
The evolution of random simplicial complexes,
Andrew Newman
+
20.07.2018
-
12:00 - 13:00
Moduli spaces of Feynman diagrams,
Marko Berghoff (HU Berlin)
19.07.2018
-
12:00 - 13:00
Feynman diagrams,
Ananth Sridhar
17.07.2018
-
13:30 - 14:00
Introduction to the talk "Polytopal surfaces in Fuchsian manifolds",
Roman Prosanov
13.07.2018
-
12:00 - 13:00
Gauge Theory,
Ananth Sridhar
10.07.2018
-
14:00 - 15:00
Connections on principle bundles,
Hanka Kourimska
06.07.2018
-
12:00 - 13:00
Principle Bundles,
Alxander Preis
26.06.2018
-
13:30 - 14:00
Introduction to the talk "Constraint-based Point Set Denoising" ,
Martin Skrodzki
22.06.2018
-
12:00 - 13:00
Inversions in Lie geometry,
Thilo Rörig
19.06.2018
-
14:00 - 15:00
The Fundamental theorem of (non-abelian) calculus,
Alexander Preis
08.06.2018
-
12:00 - 13:00
Fock-Goncharov coordinates on the module space of framed convex projective structures of a surface,
Robert Löwe
01.06.2018
-
12:00 - 13:00
Schwarzian derivative,
Ulrike Bücking
11.05.2018
-
12:30 - 13:30
Discrete Bonnet Pairs,
Andrew Sageman-Furnas
27.04.2018
-
12:00 - 13:00
Quadratic differentials, part 2,
Jonas Tervooren
20.04.2018
-
12:00 - 13:00
Quadratic differentials, part 1,
Jonas Tervooren
13.04.2018
-
12:00 - 13:00
Laguerre geometry and the checkerboard incircle incidence theorem,
Jan Techter
03.04.2018
-
14:00 - 15:00
Immersions, regular homotopies, rimmed surfaces and spin structures of surfaces,
Albert Chern
27.03.2018
-
14:00 - 15:00
Hirota's bilinear method,
Mats Vermeeren
23.03.2018
-
14:00 - 15:00
Parallelogram maps,
Ananth Sridhar
16.03.2018
-
13:00 - 14:00
Introduction to Teichmüller Theory,
Lara Skuppin
27.02.2018
-
14:00 - 15:00
Variational principles for discrete conformal maps and Ronkin's functions,
Ulrike Bücking
02.02.2018
-
11:00 - 12:00
cotan weights,
Niklas Affolter
26.01.2018
-
13:00 - 14:00
Comparing polyhedral surfaces - a metric defined via cotan weights and edge flips,
Isabella Retter
23.01.2018
-
13:30 - 14:00
Introduction to the talk "Euler-Arnold theory for SPDEs",
Alexander Schmeding
19.01.2018
-
13:00 - 14:00
A parametrized surface theory for non-planar quad meshes in $\mathbb{R}^3$,
Andrew Sageman-Furnas
16.01.2018
-
13:30 - 14:00
Introduction to the talk "Quanta of Discrete Spacetime",
Alex Goeßmann
12.01.2018
-
12:00 - 13:00
The star-triangle move on integrable circle patterns,
Niklas Affolter
08.12.2017
-
12:15 - 13:15
Anti-de Sitter space, smooth CMC surfaces in AdS,
Alexander Preis
01.12.2017
-
12:00 - 13:00
Loop group description of CMC surfaces in the Anti-de Sitter space,
Alexander Preis
24.11.2017
-
11:30 - 12:30
Projective varieties,
Marta Panizzut
17.11.2017
-
12:00 - 13:00
Fluid dynamics and prequantum bundle, part 3,
Albert Chern
14.11.2017
-
14:00 - 15:00
Fluid dynamics and prequantum bundle, part 2,
Albert Chern
10.11.2017
-
12:00 - 13:00
Fluid dynamics and prequantum bundle, part 1,
Albert Chern
07.11.2017
-
14:00 - 15:00
Characterising symmetric tetrahedra,
Hana Kourimska
03.11.2017
-
12:00 - 13:00
Toric Geometry,
Lars Kastner
24.10.2017
-
12:00 - 13:00
The sphere as a ruled surface,
Jan Techter
20.10.2017
-
11:15 - 12:15
Isothermic channel surfaces,
Jonas Tervooren
17.10.2017
-
14:00 - 15:00
Embedding the real projective space into the complex projective space,
Jan Techter
08.09.2017
-
14:00 - 15:00
Discrete confocal quadrics: general parametrizations,
Jan Techter
+
28.07.2017
-
14:00 - 15:00
Pleating the hyperbolic plane,
Lara Skuppin
+
25.07.2017
-
14:00 - 15:00
Secondary Fans and Secondary Polyhedra of Punctured Riemann Surfaces,
Robert Loewe
04.07.2017
-
14:00 - 15:00
Ricci flow,
Hanka Kourimska
16.06.2017
-
14:00 - 15:00
Hyperbolic geodesics and tractrix metric,
Niklas Affolter
13.06.2017
-
14:00 - 15:00
Pluri-Lagrangian systems - discrete and smooth,
Mats Vermeeren
25.04.2017
-
14:00 - 15:00
On conformally equivalent triangle lattices,
Ulrike Bücking
07.04.2017
-
14:00 - 15:00
Phenomena of spin transformations with prescribed bi-normal,
Christoph Seidel
04.04.2017
-
14:00 - 15:00
A variational principle for isoradial graphs,
Niklas Affolter
+
31.03.2017
-
14:00 - 15:00
Some aspects of integrability in the Six Vertex model,
Ananth Sridhar
+
28.03.2017
-
14:00 - 15:00
Projective differential geometry,
Thilo Roerig
+
17.03.2017
-
14:00 - 15:00
Pluri-Lagrangian systems and KdV hierarchy,
Mats Vermeeren
+
14.03.2017
-
14:00 - 15:00
Knots, minimal surfaces, mapping class groups,
Benedikt Kolben
+
10.03.2017
-
14:00 - 15:00
Lagrange multipliers of a maximum entropy distribution,
Niklas Affolter
+
07.03.2017
-
14:00 - 15:00
Plausible inference and the maximum entropy principle, part2,
Jan Techter
03.03.2017
-
13:00 - 14:00
Plausible inference and the maximum entropy principle,
Jan Techter
+
30.11.2016
-
14:30 - 15:30
Smooth polyhedral surfaces,
Felix Günther
27.07.2016
-
15:15 - 15:45
Crystalline structures from hyperbolic tilings,
Benedikt Kolben
+ -
16:00 - 16:30
Ricci Flow III: On the topological condition for existence of a circle packing metric with constant Gaussian curvature,
Hana Kourimska
+ -
16:45 - 17:15
Conjugate Silhouette nets,
Thilo Roerig
+
22.06.2016
-
14:30 - 15:30
Infinitesimal deformations of discrete surfaces,
Wai-Yeung Lam
01.06.2016
-
14:15 - 15:15
Ricci flow, part 2,
Hana Kourimska
+
25.05.2016
-
14:00 - 15:00
Envelope and orthogonal trajectories of a family of circles,
Jan Techter
+
04.05.2016
-
14:00 - 15:00
Projective model of Möbius geometry,
Thilo Roerig
22.04.2016
-
12:00 - 13:00
Variational Methods for Discrete Surface Parameterization. Applications and Implementation.,
Stefan Sechelmann
20.04.2016
-
13:00 - 14:00
Ricci flow, part 1,
Hana Kourimska
+
15.04.2016
-
12:00 - 13:00
Super-Nets,
Thilo Roerig
30.03.2016
-
13:00 - 14:00
Teichmüller maps, part 2,
Lara Skuppin
23.03.2016
-
13:00 - 14:00
Teichmüller maps, part 1,
Lara Skuppin
+
16.03.2016
-
13:00 - 14:00
The dimer model,
Niklas Affolter
+
11.03.2016
-
12:00 - 13:00
Discrete Confocal Quadrics as orthogonal Koenigs nets,
Jan Techter
+
09.03.2016
-
13:00 - 14:00
Rigidity theory,
Wai-Yeung Lam
+
02.03.2016
-
13:00 - 14:00
Minimal surfaces from discrete harmonic functions,
Wai-Yeung Lam
+
04.12.2015
-
11:00 - 12:00
On a discretization of confocal quadrics, part 2,
Jan Techter
+
27.11.2015
-
11:00 - 12:00
On a discretization of confocal quadrics, part 1,
Jan Techter
+
26.06.2015
-
11:00 - 12:00
Zero-sum problems in abelian groups,
Florian Frick
12.06.2015
-
11:00 - 12:00
On connections between electric networks, discrete harmonic functions, extremal length and random walks III,
Ulrike Bücking
05.06.2015
-
11:00 - 12:00
On connections between electric networks, discrete harmonic functions, extremal length and random walks II,
Ulrike Bücking
29.05.2015
-
11:00 - 12:00
On connections between electric networks, discrete harmonic functions, extremal length and random walks,
Ulrike Bücking
27.02.2015
-
11:00 - 12:00
Inscribed cyclic polygons,
Hanna Kourimska und Lara Skuppin
20.02.2015
-
11:00 - 12:00
Poncelet's Porism,
Ulrike Bücking
23.01.2015
-
11:00 - 12:00
Euclidean plane geometry via geometric algebra,
Charles Gunn
16.01.2015
-
11:00 - 12:00
Lexell's Theorem in the hyperbolic plane,
Christoph Seidel
05.11.2014
-
10:15 - 11:15
Nets with unique nodes and spherical geometry,
Thilo Rörig
29.10.2014
-
09:45 - 11:00
Discrete line congruences on triangulated surfaces,
Jan Techter
22.10.2014
-
10:15 - 11:15
Isothermic triangulated surfaces,
Wayne Lam
15.10.2014
-
10:15 - 11:15
Nerve complexes of arcs in $\mathbb{S}^1$,
Florian Frick
18.06.2014
-
16:15 - 17:15
Constrained Willmore Minimizers - Theory and Experiments,
Lynn Heller (Uni Tuebingen)
28.05.2014
-
16:15 - 17:15
Geometric invariant theory of the space - a modern approach to solid geometry (with a much simpler proof of the Kepler's conjecture as an exemplary application),
Wu-Yi Hsiang (UC Berkeley/Hong Kong University)
02.04.2014
-
14:00 - 15:00
Zyklidische und hyperbolische Netze,
Emanuel Huhnen-Venedey
+
26.03.2014
-
14:00 - 15:00
Zyklidische und hyperbolische Netze,
Emanuel Huhnen-Venedey
+
19.03.2014
-
14:00 - 15:00
Thickening Dubins Paths,
Thomas El Khatib
26.02.2014
-
14:00 - 15:00
Tverberg's Theorem strikes back,
Florian Frick
31.01.2014
-
12:00 - 13:00
Quasi-conformal distortion,
Lara Skuppin
17.01.2014
-
12:00 - 13:00
Generalized isoradial circle patterns,
Jan Techter
06.12.2013
-
10:15 - 12:00
Elastic curves and knots,
Thomas El Khatib
22.11.2013
-
10:15 - 12:00
Splitting Separatrices in Dynamical Systems,
Marina Gonchenko
15.11.2013
-
10:15 - 12:00
Hyperbolic Delaunay Triangulations,
Thilo Rörig
08.11.2013
-
10:15 - 12:00
Teichmüller spaces,
Lara Skuppin
01.11.2013
-
10:15 - 12:00
Teichmüller spaces,
Lara Skuppin
25.10.2013
-
10:15 - 12:00
Statistical Mechanics,
Andrew Kels
18.10.2013
-
10:15 - 12:00
Subdivision of Koenigs nets,
Stefan Sechelmann
21.06.2013
-
10:15 - 12:00
Troyanov Theorem on Riemann surfaces and polyhedral metrics,
Micheal Joos
14.06.2013
-
10:15 - 12:00
Canonical immersions of complex tori,
Andre Heydt
31.05.2013
-
10:15 - 12:00
From Maxwell's equations to Hamiltonian Flows on Phase Space,
Christian Lessig
24.05.2013
-
10:15 - 12:00
Triangulations with valence bounds,
Florian Frick
17.05.2013
-
10:15 - 12:00
Theorem on circles and lines - old and new,
Arseniy Akopyan
03.05.2013
-
10:15 - 12:00
Symmetries on Riemann surfaces,
Isabella Thiessen
26.04.2013
-
10:15 - 12:00
Darboux transforms of plane curves,
Thilo Rörig
19.04.2013
-
10:00 - 12:00
Direction fields,
Felix Knöppel
12.04.2013
-
10:00 - 12:00
Nets on surfaces,
Thilo Rörig
15.03.2013
-
10:00 - 12:00
Axis of motions in different geometries/ Discussion: Hopf fibration,
Charles Gunn
08.03.2013
-
10:00 - 12:00
Smooth vector fields on discrete surfaces,
Felix Knöppel
01.03.2013
-
10:00 - 12:00
Axes of motions via geometric algebra in different metrics,
Charles Gunn
22.02.2013
-
10:00 - 12:00
Axes of hyperbolic motions,
Thilo Rörig
15.02.2013
-
10:00 - 12:00
From Hyperboloid to Poincare model via Klein model,
Thilo Rörig
08.02.2013
-
10:00 - 12:00
A game on graphs,
Felix Günther
01.02.2013
-
10:00 - 12:00
Curvature line and asymptotic line parametrizations in Lie and Pluecker Geometry,
Emanuel Huhnen-Venedey
18.01.2013
-
10:00 - 12:00
Homology theories,
Stefan Born
07.12.2012
-
10:00 - 12:00
,
Nikolay Dimitrov
30.11.2012
-
10:00 - 12:00
3D- and 4D-consistency, quad equations, Bäcklund transformations and consistency, Bianchi permutability,
Raphael Boll
23.11.2012
-
10:00 - 12:00
Discrete and smooth KdV-equations, Bäcklund transformations, quad equations, 3D-consistency,
Raphael Boll
16.11.2012
-
10:00 - 12:00
Cosine-law for spherical triangles and dynamical systems,
Matteo Petrera
09.11.2012
-
10:00 - 12:00
Schläfli principle,
David Chubelaschwili