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Seminars and Events

 

The research station has several regular research seminars:

The Geometry Seminar (GS) is the common research seminar of the Research Station. It usually takes place every other Tuesday at 13:00 in SR C. Before the seminar, we usually have lunch together.

The Symplectic Geometry Seminar (SGS) usually takes place on Wednesdays at 1:15 in SR 4. 

The new seminar Geometry and Groups Seminar (GGS) replaces the Differential Geometry Seminar (DGS)  and will take place as usual  on Thursdays at 14:15 in SR 8.

The RTG colloquium of the Research Training Group 2229 together with KIT (Karlsruhe) alternates with the Geometry Seminar and takes place every other Tuesday, either in Heidelberg or in Karlsruhe.

The Heidelberg Experimental Geometry Lab (HEGL) organizes the HEGL Community Seminar, which takes place on Mondays at 14:15 in SR C or online.

Upcoming Seminars
Upcoming Events
Past Seminars
Past Events
Mon, Mar 21

23:00
IWH Heidelberg

Train the trainer - Mentorinnen-Workshop
Mon, May 30

15:00
Hörsaal Mathematikon

Public Lecture: Töne sehen und Muster hören
Speaker: Jürgen Richter-Gebert
Wed, Jun 22

22:00
Konferenzraum Mathematikon

Mercator-Workshop 2022
Thu, Jul 21

22:00
Hörsaal Mathematikon

Millennium Event: Poincaré Vermutung
Tue, Oct 18

11:00
SR B

TBA (Charles Reid)
Speaker: Charles Reid

Seminar

Geometry Seminar (GS)
Wed, Oct 19

22:00

Workshop in Geometry and Dynamics
Tue, Oct 25

11:30
SR B

Logarithmic girth expander Cayley graphs
Speaker: Goulnara Arzhantseva

Seminar

RTG Colloquium
Wed, Oct 26

06:30
SR 4

Junior Workshop in Geometry and Dynamics
Mon, Nov 7

13:15
Online

Benchmarking Machine Learning Methods Using OpenML and mlr3
Speaker: Sebastian Fischer

Seminar

HEGL Mathematics and Machine Learning Seminar
Tue, Nov 8

12:45
SR 1067 (KIT Karlsruhe)

Curvature invariants coming from linear programming
Speaker: Henry Wilton

Seminar

RTG Colloquium Karlsruhe
Thu, Nov 10

13:00
SR 8

Hyperbolic representations of groups and functions of hyperbolic type: the case SL_2(R)
Speaker: Gonzalo Ruiz Stolowicz

Seminar

Differential Geometry Seminar (DGS)
Fri, Nov 11

14:00
SR 10

Local (semi-)rigidity for boundary actions
Speaker: Chris Connell

Seminar

Differential Geometry Seminar (DGS)
Tue, Nov 15

15:15
SR 10 and on Zoom

On the geometry of abstract reflection groups
Speaker: Petra Schwer

Seminar

Geometry Seminar (GS)
Wed, Nov 16

10:15
SR 4

Dendrite maps are not that phenomenal
Speaker: Jakub Tomaszewski

Seminar

Symplectic Geometry Seminar (SGS)
Mon, Nov 21

13:15
Online

ML for Pure Math
Speaker: Jim Halverson

Seminar

HEGL Mathematics and Machine Learning Seminar
Mon, Nov 21

23:00
SR B

Periodic CAT(0) spaces
Speaker: Stephan Stadler

Seminar

RTG Colloquium
Mon, Nov 28

11:00
SR C (probably)

TBA (Alba Málaga Saboga)
Speaker: Alba Málage Sabogal

Seminar

HEGL Community Seminar
Mon, Dec 5

23:00
SR. 1067 (KIT Karlsruhe)

Galois cohomology and absolutely solitary groups
Speaker: Holger Kammeyer

Seminar

RTG Colloquium Karlsruhe
Mon, Jan 16

08:00
IWH Heidelberg

Workshop Interplay between symplectic geometry and cluster theory
Mon, Jan 23

13:15
SR C

TBA (Saul Schleimer)
Speaker: Saul Schleimer

Seminar

HEGL Community Seminar
Tue, Feb 7

12:30
SR B

Broken books and Reeb dynamics in dimension 3
Speaker: Ana Rechtman

Seminar

RTG Colloquium
Sun, Feb 26

23:00
Konferenzraum Mathematikon

Pseudoholomorphic Curves in Hamiltonian Dynamics
Mon, Apr 3

22:00

The natural flow and homological vanishing in nonpositively curved manifolds
Speaker: Chris Connell

Seminar

RTG Colloquium Karlsruhe
Tue, Apr 18

08:00
Karlsruhe

On the Farrell-Jones Conjecture

Seminar

RTG Colloquium Karlsruhe
Thu, Apr 20

13:00
SR 8

Divisible convex sets with properly embedded cones

Seminar

Differential Geometry Seminar (DGS)
Tue, Apr 25

11:00
SR B

Random polytopes in Non-Euclidean Geometries
Speaker: Daniel Rosen

Seminar

Geometry Seminar (GS)
Wed, Apr 26

09:15
SR 4

On the Origin of Minimal Sets by Means of Feral Curves

Seminar

Symplectic Geometry Seminar (SGS)
Thu, Apr 27

12:00
SR 7

Character varieties for non-orientable surfaces
Speaker: Tommaso Scognamiglio

Seminar

Differential Geometry Seminar (DGS)
Tue, May 2

08:00
SR B

Infinite staircases in the symplectic ball packing problem
Speaker: Ana Rita Pires

Seminar

RTG Colloquium
Wed, May 3

09:15
SR 4

Aspects of Extended Mirror Symmetry

Seminar

Symplectic Geometry Seminar (SGS)
Mon, May 8

12:15

On the area of Lawson surfaces in the 3-sphere

Seminar

HEGL Community Seminar
Wed, May 10

09:15
SR 4

Kiruma's Conjecture
Speaker: Alec Metsch

Seminar

Symplectic Geometry Seminar (SGS)
Tue, May 16

08:00
Karlsruhe

Arithmetic approximate lattices and their finiteness properties

Seminar

RTG Colloquium Karlsruhe
Mon, May 22

12:15

Movement of light : tiling billiards and films.
Speaker: Olga Romaskevich

Seminar

HEGL Community Seminar
Tue, May 23

09:15
00.200

Existence of Birkhoff sections for geodesic flows on closed orientable Riemannian surfaces
Speaker: Lina Deschamps

Seminar

Symplectic Geometry Seminar (SGS)
Wed, May 24

09:15
SR 4

Bicycling curves and the filament hierarchy

Seminar

Symplectic Geometry Seminar (SGS)
Wed, May 24

15:00
Hörsaal Mathematikon

Public Lecture: Unentscheidbare Probleme in der Mathematik
Speaker: Katrin Tent
Thu, May 25

12:00
SR 8

Burnside Groups and iterated small cancellation theory
Speaker: Katrin Tent

Seminar

Differential Geometry Seminar (DGS)
Tue, May 30

11:00
SR B

Higgs bundles in the Hitchin section over non-compact surfaces
Speaker: Qiongling Li

Seminar

Geometry Seminar (GS)
Wed, May 31

09:15
SR 4

Local Floer Homology(ies?)

Seminar

Symplectic Geometry Seminar (SGS)
Tue, Jun 6

11:30
SR B

Affine geometry and the Auslander Conjecture
Speaker: Jeffrey Danciger

Seminar

RTG Colloquium
Wed, Jun 7

09:15
SR 4

TBA (Anastasiia Sharipova)
Speaker: Anastasiia Sharipova

Seminar

Symplectic Geometry Seminar (SGS)
Tue, Jun 13

11:00
SR B

Surfaces of section, Anosov Reeb flows, and the C2-stability conjecture for geodesic flows
Speaker: Marco Mazzucchelli

Seminar

Geometry Seminar (GS)
Wed, Jun 14

09:15
SR 4

On the local maximizers of higher capacity ratios
Speaker: Marco Mazzucchelli

Seminar

Symplectic Geometry Seminar (SGS)
Thu, Jun 15

12:21
SR 8

Random Geometries of Constant Curvature: from Condensed Matter Physics to the Combinatorics of Self-Overlapping Curves through Black Holes
Speaker: Frank Ferrari

Seminar

Differential Geometry Seminar (DGS)
Fri, Jun 16

13:00
SR 7

Hitchin Connection for parabolic bundles
Speaker: Swarnava Mukhopadhyay

Seminar

Differential Geometry Seminar (DGS)
Tue, Jun 20

08:00
Karlsruhe

On the homology of diffeomorphism groups of odd-dimensional manifolds.
Speaker: Johannes Ebert

Seminar

RTG Colloquium Karlsruhe
Wed, Jun 21

09:15
SR 4

Polynomial growth of Reeb orbits
Speaker: Bernhard Albach

Seminar

Symplectic Geometry Seminar (SGS)
Mon, Jun 26

12:15

TBA (Philip Engel)
Speaker: Philip Engel

Seminar

HEGL Community Seminar
Tue, Jun 27

09:00
IWH Heidelberg

Heidelberg-Karlsruhe-Strasbourg Geometry Day
Wed, Jun 28

09:15
SR 4

TBA (Michael Rothgang)
Speaker: Michael Rothgang

Seminar

Symplectic Geometry Seminar (SGS)
Tue, Jul 4

11:30

Hyperbolicity and products
Speaker: Indira Chatterji

Seminar

RTG Colloquium
Thu, Jul 6

06:30
Marsilius Arkaden

Mercator Workshop 2023
Wed, Jul 12

09:15
SR 4

First Steps in Twisted Rabinowitz-Floer Homology
Speaker: Yannis Bähni

Seminar

Symplectic Geometry Seminar (SGS)
Mon, Jul 17

12:15
SR C

Interpretable Representations and Neuro-symbolic Methods in Deep Learning
Speaker: Jan Stühmer

Seminar

HEGL Mathematics and Machine Learning Seminar
Tue, Jul 18

11:45
Karlsruhe - SR 1067

Generalized non-positive curvature and higher-rank hyperbolicity Abstract
Speaker: Urs Lang

Seminar

RTG Colloquium Karlsruhe
Wed, Jul 19

09:15
SR 4

Convex Bodies with all Planar Characteristics
Speaker: Anastasiia Sharipova

Seminar

Symplectic Geometry Seminar (SGS)
Thu, Jul 20

12:00
SR 8

Asymptotics of minimal surfaces in SL(3,R)/SO(3) along rays
Speaker: Andrea Tamburelli

Seminar

Differential Geometry Seminar (DGS)
Fri, Jul 21

11:30
Konferenzraum Mathematikon

BACH Seminar
Mon, Jul 24

12:15
SR C

From illustration to discovery: two examples
Speaker: Arnaud Chéritat

Seminar

HEGL Community Seminar
Tue, Jul 25

11:00
SR B

Planar networks and simple Lie groups
Speaker: Anton Izosimov

Seminar

Geometry Seminar (GS)
Thu, Jul 27

09:15
online

Boundary rigidity and filling minimality via the barycenter method
Speaker: Yuping Ruan

Seminar

Differential Geometry Seminar (DGS)
Thu, Jul 27

22:00
TBD

Bending maps of Teichmüller spaces and character varieties
Speaker: Shinpei Baba

Seminar

Differential Geometry Seminar (DGS)
Mon, Sep 18

07:00
Hörsaal

Diverse Aspects of Groups, Geometry and Dynamics (RTG Conference)
Mon, Sep 18

07:00
Hörsaal

Diverse Aspects of Groups, Geometry and Dynamics

Seminar

Conference
Mon, Oct 23

11:06
0.200

Density of thin film reflection pseudogroup in Hamiltonian symplectomorphism pseudogroup
Speaker: Alexey Glutsyuk

Seminar

Symplectic Geometry Seminar (SGS)
Tue, Oct 24

11:30

On rationally integrable planar dual and projective billiards
Speaker: Alexey Glutsyuk

Seminar

RTG Colloquium
Wed, Oct 25

12:27
SR 4

Construction of non-loose knots via cabling
Speaker: Rima Chatterjee

Seminar

Symplectic Geometry Seminar (SGS)
Tue, Nov 7

10:45

Equidistribution of planes in four space and Seifert surfaces
Speaker: Menny Aka

Seminar

RTG Colloquium Karlsruhe
Wed, Nov 8

10:15
Seminar room 4

On Babylonian lunar periods and Conley–Zehnder indices of the CR3BP (Cengiz Aydin)
Speaker: Cengiz Aydin

Seminar

Symplectic Geometry Seminar (SGS)
Tue, Nov 14

12:00
SRB

From Lagrangians in Hitchin systems to pillowcase covers
Speaker: Johannes Horn

Seminar

Geometry Seminar (GS)
Thu, Nov 16

08:00
IRMA, Strasbourg

Strasbourg-Heidelberg "Symplectic Day"
Tue, Nov 21

12:30
Seminarraum B

Boomerang subgroups
Speaker: Waltraud Lederle

Seminar

RTG Colloquium
Wed, Nov 22

10:15
SR4

Self-dual polygons (Ana Chavez Caliz)
Speaker: Ana Chavez Caliz

Seminar

Symplectic Geometry Seminar (SGS)
Tue, Nov 28

12:00
SR B

Orbifold Intersection Theory and Polyfold Gromov-Witten Invariants
Speaker: Wolfgang Schmaltz

Seminar

Geometry Seminar (GS)
Wed, Nov 29

10:15
Seminar room 4

Stein traces (Marc Kegel)
Speaker: Marc Kegel

Seminar

Symplectic Geometry Seminar (SGS)
Thu, Nov 30

15:15
SR 5

Parkettierung in der hyperbolischen Geometrie (Melanie Pfau)
Speaker: Melanie Pfau

Seminar

Bacherlor/Master Seminar
Tue, Dec 5

10:45

Manifolds which carry infinitely many geometrically distinct metrics of positive Ricci or nonnegative sectional curvature
Speaker: Anand Dessai

Seminar

RTG Colloquium Karlsruhe
Mon, Dec 11

13:15
HEGL / Foyer basement

HEGL Christmas party
Mon, Dec 18

13:15
Seminar room C

Improvising a mathematical crochet course for beginners
Speaker: Nguyen-Thi Dang

Seminar

HEGL Community Seminar
Tue, Dec 19

13:04
SR B

Isometric embeddings of Teichmüller spaces
Speaker: Frederik Benirschke

Seminar

Geometry Seminar (GS)
Wed, Jan 10

10:15
SR 4

Hofer Zehnder capacities and magnetic billiards
Speaker: Levin Maier

Seminar

Symplectic Geometry Seminar (SGS)
Tue, Jan 16

12:30
Seminar room B

Geodesic representatives on surfaces without metrics
Speaker: W. Patrick Hooper

Seminar

RTG Colloquium
Wed, Jan 17

10:15
Konferenzraum 5/104

Weak Stability Boundary and Mandelbrot Sets
Speaker: Edward Belbruno

Seminar

Symplectic Geometry Seminar (SGS)
Tue, Jan 23

12:00
SR B

The asymptotic action of area preserving disk maps and some of its properties
Speaker: David Bechara Senior

Seminar

Geometry Seminar (GS)
Wed, Jan 24

10:15
SR 4

A vanishing theorem in Siefring’s intersection theory
Speaker: Naageswaran Manikandan

Seminar

Symplectic Geometry Seminar (SGS)
Tue, Jan 30

10:45

PDE aspects of geometric flows
Speaker: Peter Topping

Seminar

RTG Colloquium Karlsruhe
Thu, Mar 14

16:00
SR 5

Understanding the Mapping Class Group via its Effect on Loops
Speaker: Luca Morris Tittel

Seminar

Bacherlor/Master Seminar
Wed, Apr 17

09:15
Seminar room 4, 3rd floor

Recent results about C0-rigidity for Legendrians
Speaker: Georgios Dimitroglou Rizell

Seminar

Symplectic Geometry Seminar (SGS)
Thu, Apr 18

14:00
SR8

q-deformed numbers: geometry and combinatorics
Speaker: Valentin Ovsienko

Seminar

Geometry and Groups Seminar
Fri, Apr 19

12:00
Conference Room Mathematikon

BACH Seminar 2024

Seminar

Conference
Mon, Apr 22

14:15
Seminarraum C

Sketchnotes, comics, and mathematics. New and old formats for maths communication.
Speaker: Constanza Rojas-Molina

Seminar

HEGL Community Seminar
Tue, Apr 23

09:45

Bounded cohomology and displacement
Speaker: Francesco Fournier-Facio

Seminar

RTG Colloquium Karlsruhe
Wed, Apr 24

11:00
Seminar room 4, 3rd floor

A Poincaré-Birkhoff theorem for asymptotically linear Hamiltonian diffeomorphisms (Leonardo Masci)
Speaker: Leonardo Masci

Seminar

Symplectic Geometry Seminar (SGS)
Wed, Apr 24

12:00
Seminar room 4, Mathematikon 3rd floor

Permanent capture and weak capture for infinitely many cycles (Ed Belbruno)
Speaker: Edward Belbruno

Seminar

Symplectic Geometry Seminar (SGS)
Thu, Apr 25

10:00

Girls'Day Workshop: Von Bienen, Drachen und Hüten: Polygonale und aperiodische Parkettierungen in der Mathematik
Tue, Apr 30

13:00
SR B

Gromov width via finite energy foliations of tangent bundles
Speaker: Johanna Bimmermann

Seminar

Geometry Seminar (GS)
Mon, May 6

14:15
Seminar Room C

Crossing lines: from graphs to surfaces
Speaker: Hugo Parlier

Seminar

HEGL Community Seminar
Tue, May 7

11:30
Seminarraum B

Geometry of graphs of multicurves
Speaker: Katie Vokes

Seminar

RTG Colloquium
Wed, May 8

11:15
Seminar room 4, 3rd floor Mathematikon

On a hyperkähler view of the magnetic geodesic flow on CP^n
Speaker: Lina Deschamps

Seminar

Symplectic Geometry Seminar (SGS)
Wed, May 8

11:15

On a hyperkähler view of the magnetic geodesic flow on CP^n
Speaker: Lina Deschamps

Seminar

Symplectic Geometry Seminar (SGS)
Tue, May 14

13:00
SR C

The search for exotic knot traces
Speaker: Marc Kegel

Seminar

Geometry Seminar (GS)
Thu, May 16

14:15
SR 8

Bridges between affine buildings and symmetric spaces
Speaker: Raphael Appenzeller

Seminar

Geometry and Groups Seminar
Thu, May 16

16:15
SR 7

Cycle Decompositions of Graphs with High Minimum Degree
Speaker: Anna-Sophie Sawitzki

Seminar

Bacherlor/Master Seminar
Tue, May 21

13:00
SR C

4th Body-Induced Secondary Resonance Overlap Inside Normally Hyperbolic Invariant Manifolds in Planet-Moon Systems: a Jovian Case Study
Speaker: Bhanu Kumar

Seminar

Geometry Seminar (GS)
Wed, May 22

11:15

TBA
Speaker: Agustin Moreno

Seminar

Symplectic Geometry Seminar (SGS)
Thu, May 23

16:15
SR 7

Curve complexes are rigid
Speaker: Karl Schamel

Seminar

Bacherlor/Master Seminar
Wed, May 29

11:15

Does Newtonian dynamics need a Euclidean space?
Speaker: Alain Albouy

Seminar

Symplectic Geometry Seminar (SGS)
Mon, Jun 3

12:15
Seminarraum C

Can you build a Turing machine out of Lego?
Speaker: Aurélien Alvarez

Seminar

HEGL Community Seminar
Tue, Jun 4

14:15
SR 8

The Harder-Narasimhan reduction of a principal bundle
Speaker: Emanuel Roth

Seminar

Bacherlor/Master Seminar
Tue, Jun 11

11:30
Seminarraum B

Contacting Turing (From Cantor sets to "Flubits")
Speaker: Eva Miranda

Seminar

RTG Colloquium
Thu, Jun 13

14:15
SR 8

Projectivity Groups of Spherical Buildings
Speaker: Sira Busch

Seminar

Geometry and Groups Seminar
Tue, Jun 18

13:00
SR C

Arnold's $J^+$-invariant and periodic orbits
Speaker: Urs Frauenfelder

Seminar

Geometry Seminar (GS)
Thu, Jun 20

14:15
SR 5

Gleichseitige Triangulierungen der Sphäre
Speaker: Verena Waibel

Seminar

Bacherlor/Master Seminar
Thu, Jun 20

14:15
SR 8

Real algebraic varieties close to non-singular tropical limits
Speaker: Johannes Rau

Seminar

Geometry and Groups Seminar
Thu, Jun 20

16:15
SR 7

Monotone twist maps in dynamical billiard systems
Speaker: Abdul Kerim Sehi

Seminar

Bacherlor/Master Seminar
Tue, Jun 25

09:45

From RAAGs to Artin groups
Speaker: Conchita Martínez Pérez

Seminar

RTG Colloquium Karlsruhe
Wed, Jun 26

09:15
Seminar room 9

Open r-spin and FJRW theory via the point insertion technique.
Speaker: Yitzhen Zhao

Seminar

Symplectic Geometry Seminar (SGS)
Wed, Jun 26

11:15
Seminar room 4

Bourgeois' contact structures are tight
Speaker: Russell Avdek

Seminar

Symplectic Geometry Seminar (SGS)
Thu, Jun 27

14:15
SR 8

Mapping degree sets between manifolds
Speaker: Matthias Uschold

Seminar

Geometry and Groups Seminar
Thu, Jun 27

16:15
SR 7

Approximately counting Hamilton cycles in dense directed graphs
Speaker: Jonas Hofsaess

Seminar

Bacherlor/Master Seminar
Tue, Jul 2

13:00
SR C

Poisson geometric approach to exotic cluster structures on simple Lie groups
Speaker: Michael Gekhtman

Seminar

Geometry Seminar (GS)
Tue, Jul 2

17:00
Hörsaal

Symmetrie in der Mathematik: witzig, wichtig, wunderlich
Speaker: Pascal Schweitzer
Tue, Jul 2

17:00
Hörsaal

Symmetrie in der Mathematik: witzig, wichtig, wunderlich
Speaker: Pascal Schweitzer
Wed, Jul 3

11:15
Seminar room 4

Contact geometry of Hill's approximation to a spatial restricted 4-body problem
Speaker: Cengiz Aydin

Seminar

Symplectic Geometry Seminar (SGS)
Thu, Jul 4

14:15
SR 8

Degenerate Brion's formula and applications to symmetric spaces and affine buildings
Speaker: Carsten Peterson

Seminar

Geometry and Groups Seminar
Thu, Jul 4

16:15
SR 7

Equivariant Cohomology of Real Varieties
Speaker: Liva Diler

Seminar

Bacherlor/Master Seminar
Tue, Jul 9

11:30
SR C

Elastica, filament equation, and bicycle models
Speaker: Sergei Tabachnikov

Seminar

RTG Colloquium
Wed, Jul 10

11:15
Seminar room 4

High-dimensional families of holomorphic curves and three-dimensional energy surfaces (Rohli Prasad)
Speaker: Rohil Prasad

Seminar

Symplectic Geometry Seminar (SGS)
Thu, Jul 11

16:15
SR 7

Motif-free Graph Generation
Speaker: Dominik Schweisgut

Seminar

Bacherlor/Master Seminar
Mon, Jul 15

16:15
SR 11

Outer symplectic billiard on Lagrangian submanifolds
Speaker: Colin Kühner

Seminar

Bacherlor/Master Seminar
Tue, Jul 16

13:00
SR C

Entropy and links in 3D flows
Speaker: Matthias Meiwes

Seminar

Geometry Seminar (GS)
Wed, Jul 17

11:15
Seminar room 4

(Non-) orderability and the contact Hofer diameter (Jakob Hedicke, CRM)
Speaker: Jakob Hedicke

Seminar

Symplectic Geometry Seminar (SGS)
Wed, Jul 17

14:15
SR C

Final presentations of the HEGL Student Seminar

Seminar

HEGL Community Seminar
Thu, Jul 18

14:15
SR 12

Hamiltonian diffeomorphisms of even-dimensional balls and Reeb flows on odd-dimensional spheres
Speaker: Stefan Langenberg

Seminar

Bacherlor/Master Seminar
Thu, Jul 18

14:15
SR 8

On the Unique Ergodicity for Foliations of Generic Abelian Differentials
Speaker: Hamid Al-Saqban

Seminar

Geometry and Groups Seminar
Thu, Jul 18

16:15
SR 7

Cell Complexes in Homotopy Type Theory
Speaker: Chenyi Yang

Seminar

Bacherlor/Master Seminar
Mon, Jul 22

07:00
IWH Heidelberg

Symplectic Geometry and Anosov Flows

Seminar

Conference