# Past colloquia

## Colloquium program from January 2017 to August 2017

[colloque] Tue 7.3.2017, Phys 2.52 at 17h15 | more |

### Prof. Sergei Tabachnikov (Pennsylvania State University): Skewers

[colloque] Tue 14.3.2017, Phys 2.52 at 17h15 | more |

### Prof. Philipp Habegger (Uni Basel): Complex Multiplication or is $e^{\pi \sqrt{163}}$ an Integer?

[colloque] Tue 21.3.2017, Phys 2.52 at 17h15 | more |

### Prof. Jan Draisma (Uni Bern): Stabilisation in algebra and geometry

[colloque] Tue 28.03.2017, Phys 2.52 at 17h15 | more |

### Martin Kerin (Univ. of Münster): Curvature and exotic spheres

[colloque] Tue 4.4.2017, Phys 2.52 at 17h15 | more |

### Prof. Armin Iske (Uni Hamburg): Kernel-based Scattered Data Approximation

[colloque] Tue 25.4.2017, Phys 2.52 at 17h15 | more |

### Prof. Antti Knowles (Uni Genève): Extreme eigenvalues of sparse random graphs

[colloque] Tue 16.5.2017, Phys 2.52 at 17h15 | more |

### Prof. Pierre Nolin (ETHZ): Near-critical percolation and self-organized criticality in two dimensions

[colloque] Tue 30.5.2017, Phys 2.52 at 17h15 | more |

### Prof. Gerhard Wanner (Uni Genève): Porous media modelling with a 250 years old method

## Other events from January 2017 to August 2017

[oberseminar] Wed 22.02.2017, Math II (Lonza) at 10h20 | more |

### Rinat Kashaev (Genève): Ideal triangulations, mapping class group representations and quantum invariants

[oberseminar] Wed 01.03.2017, Math II (Lonza) at 10h20 | more |

### Mickaël Kourganoff (Grenoble): Anosov geodesic flows, billiards and embedded surfaces

[oberseminar] Wed 08.03.2017, Math II (Lonza) | more |

### Arseniy Akopyan (IST Austria): Waists of balls in different spaces

[oberseminar] Wed 15.03.2017, Math II (Lonza) | more |

### Pierre-Marie Poloni (Uni Bern): Around the cancellation problem

[oberseminar] Monday 27.03.2017, Math II (Lonza) at 16h00 | more |

### Martin Kerin (Münster): Non-negative curvature on exotic spheres

[oberseminar] Wed 29.03.2017, Math II (Lonza) | more |

### Felix Günther (TU Berlin & Uni Genève): Smooth polyhedral surfaces

[oberseminar] Monday 03.04.2017, Math II (Lonza) at 16h00 | more |

### Michael Wiemeler (Augsburg): Positively curved GKM manifolds

[oberseminar] Wed 03.05.2017, Math II (Lonza) at 10:20 | more |

### Mattheu Tointon (Neuchâtel): Approximate groups and applications to the growth of groups

[mathematikon] Tue 4.4.2017, Phys 2.52 at 12h15 | more |

### Corina Ciobotaru: Can an infinite number also be finite?

[oberseminar] Wed 12.04.2017, Math II (Lonza) at 10:20 | more |

### Corina Ciobotaru (Fribourg): What is... an affine building?

[oberseminar] Monday 24.04.2017, Math II (Lonza) at 16h00 | more |

### Jan-Bernhard Kordass (Fribourg/Karlsruhe): Atiyah-Patodi-Singer index theory I: A primer on index theorems on manifolds with and without boundary

[oberseminar] Wed 26.04.2017, Math II (Lonza) at 10:20 | more |

### Anders Karlsson (Geneva and Uppsala): New general ergodic theorems, invariant metrics and their functionals

[oberseminar] Monday 01.05.2017, Math II (Lonza) at 16h00 | more |

### Jan-Bernhard Kordass (Fribourg/Karlsruhe): Atiyah-Patodi-Singer index theory II: On some index theoretical invariants

[oberseminar] Wed 10.05.2017, Math II (Lonza) at 10h20 | more |

### Ruth Kellerhals (Fribourg): Hyperbolic volume in 5 dimensions

[oberseminar] Wed 17.05.2017, Math II (Lonza) at 10h20 | more |

### Ivan Izmestiev (Fribourg): Spherical and hyperbolic conics

[oberseminar] Monday 22.05.2017, Math II (Lonza) at 16h00 | more |

### Daniel Luckhardt (Göttingen): Benjamini-Schramm convergence of normalized characteristic numbers

[oberseminar] Monday 29.05.2017, Math II (Lonza) at 15h30 | more |

### Rudolf Zeidler (Münster): Positive scalar curvature and secondary index theory

[oberseminar] Wednesday 21.06.2017, Math II (Lonza) at 15h15 | more |

### Marine Fontaine (Manchester): Persistence of stationary motion under explicit symmetry breaking perturbation

[oberseminar] Thursday 22.06.2017, Math II (Lonza) at 17h00 | more |