# Past colloquia

## Colloquium program from August 2015 to January 2016

[colloque] Tue 29.9.2015, Phys 2.52 at 17h15 | more |

### Prof. Ioan Manolescu (Uni Fribourg): Lattice models in 2 and more dimensions

[colloque] Tue 6.10.2015, Phys 2.52 at 17.15 | more |

### Dr. Ivan Izmestiev (Uni Fribourg): The discrete curvature: from Jacob Steiner to the present

[colloque] Tue 27.10.2015, Phys 2.52 at 17h15 | more |

### Prof. Luisa Paoluzzi (Marseille): Commensurability of groups and spaces

[colloque] Tue 03.11.2015, Phys 2.52 at 17h15 | more |

### Prof. Stefano De Marchi (University of Padova): On the Lebesgue constant of the Floater-Hormann rational interpolants

[colloque] CANCELLED - Tue 17.11.2015, Phys 2.52 at 17h15 | more |

### Prof. Wolfgang Lück (Universität Bonn / HIM Bonn): Introduction to $L^2$-Betti numbers

[colloque] Tue 24.11.2015, Phys 2.52 at 17h15 | more |

### Prof. Michael Floater (University of Oslo): Barycentric rational interpolation: new perspectives

[colloque] Tue 01.12.2015, Phys 2.52 at 17h15 | more |

### Prof. Ravi Shankar (Oklahoma/Münster): Group actions and non-negative sectional curvature

[colloque] Tue 15.12.2015, Phys 2.52 at 17h15 | more |

### Prof. Gerd Schmalz (UNE / Max-Planck-Institute Bonn): Rigid CR-spheres

## Other events from August 2015 to January 2016

[oberseminar] Oberseminar Geometrie, Wed 7.10.2015, Math II (Lonza) at 10:20 | more |

### Dr. Scott Thomson (Bern): Commensurability and quasi-arithmeticity of lattices in PO(n,1)

[workshop] Thursday 15.10.2015 starting at 14:10 & Friday 16.10.2015 starting at 10:10; Physiology 0.108, Building PER 9 | more |

### Workshop "Journées de Géométrie Hyperbolique 2015"

[oberseminar] Oberseminar Geometrie, Wed 21.10.2015, Math II (Lonza) at 10:20 | more |

### Simon Drewitz (Fribourg): Volumes of hyperbolic orthoschemes in 3 and 5 dimensions

[oberseminar] Oberseminar Geometrie, Wed 28.10.2015, Math II (Lonza) at 10:20 | more |

### Prof. Luisa Paoluzzi (Marseille): Classification of a family of Coxeter groups up to commensurability

[oberseminar] Oberseminar Geometrie, Wed 04.11.2015, Math II (Lonza) at 10:20 | more |

### Viveka Erlandsson (Fribourg / Aalto): Counting curves on hyperbolic surfaces

[oberseminar] Wed 11.11.2015, Math II (Lonza) at 10:20 | more |

### Ivan Izmestiev (Fribourg): Shapes of polyhedra, mixed volumes, and hyperbolic geometry

[oberseminar] Wed 18.11.2015, Math II (Lonza) at 10:20 | more |

### Ivan Martino (Fribourg): Arrangements of subspaces for finite groups and certain motivic computations

[oberseminar] Wed 25.11.2015, Math II (Lonza) at 10:20 | more |

### Edoardo Dotti (Fribourg): Density of Eisenstein Polynomials over Function Fields

[oberseminar] Wed 02.12.2015, Math II (Lonza) at 10:20 | more |

### Hao Chen (TU Eindhoven): Infinite ball packings from hyperbolic reflection groups

[oberseminar] Wed 16.12.2015, Math II (Lonza) at 10:20 | more |