# Past colloquia

## Colloquium program from August 2014 to January 2015

[colloque] Tue 16.9.2014, Phys at 17h15 | more |

### Emanuele Delucchi (Fribourg): Toric arrangements: an open-ended introduction

[colloque] Tue 23.9.2014, Phys 2.52 at 17h15 | more |

### Thomas Mettler (ETHZ / Fribourg): Metrisability problems in projective differential geometry

[colloque] Tue 7.10.2014, Phys 2.52 at 17h15 | more |

### Antti Knowles (ETHZ): Random matrices and multivariate statistics

[colloque] Tue 14.10.2014, Phys 2.52 at 17h15 | more |

### Fernando Galaz-Garcia (Karlsruhe):Transformation groups in Alexandrov geometry

[colloque] Tue 28.10.2014, Phys 2.52 at 17h15 | more |

### Séverine Rigot (Nice): Besicovitch covering property in sub-Riemannian geometry

[colloque] Tue 4.11.2014, Phys 2.52 at 17h15 | more |

### Eric Jespers (Université Libre Bruxelles): Units of integral group rings of finite groups

[colloque] Tue 11.11.2014, Phys 2.52 at 17h15 | more |

### Davide Vittone (Università di Padova): The regularity problem for sub-Riemannian geodesics

[colloque] Tue 25.11.2014, Phys 2.52 at 17h15 | more |

### Claudio Canuto (Politecnico di Torino): Adaptive Fourier and hp-FEM methods

[colloque] Tue, 2.12.2014, Phys 2.52 at 17h15 | more |

### Maciej Dunajski (Cambridge): Quartics, sextics, and beyond

[colloque] Tue 9.12.2014, Phys 2.52 at 17h15 | more |

### P.-E. Caprace: CANCELLED

## Other events from August 2014 to January 2015

[oberseminar] Oberseminar Topologie, Thu 25.09.2014, Math II (Lonza) at 14h15 | more |

### Pierre-Nicolas Jolissaint (Neuchâtel): Embeddings of groups into Hilbert spaces: Motivations and examples

[mathematikon] Tue 30.09.2014, Phys 2.52 at 12H15 | more |

### Matthieu Jacquemet - Didon, comment on va ranger ces livres ?

[oberseminar] Oberseminar Topologie, Thu 02.10.2014, Math II (Lonza) at 14h15 | more |

### Lev Kiwi (Fribourg): Circle actions on complete intersections. Part I - The codimension 2 & 4 cases.

[oberseminar] Oberseminar Geometrie, Wed 3.10.2014, Math II (Lonza) at 10:20 | more |

### Julian Kellerhals (EPF Lausanne): Supramenable groups

[] Tue 14.10.2014, Phys 2.52 at 12h15 | more |

### Lev Kiwi : Vous avez dit mathémagique ?

[oberseminar] Oberseminar Topologie, Tue 14.10.2014, Math II (Lonza) at 11h00 | more |

### Anand Dessai (Fribourg): Infinite families of complex cohomology rings of nonnegatively curved manifolds with cohomogeneity one

[oberseminar] Oberseminar Geometrie, Wed 15.10.2014, Math II (Lonza) at 10:20 | more |

### Ann Kiefer (Fribourg / VU Brussels): Presentations of groups acting discontinuously on spaces of negative curvature

[oberseminar] Analysis Seminar, Wed 29.10.2014, Auditorium 1.309 Sciences de la Terre at 13:15 | more |

### Severine Rigot (Nice): Covering lemmas in the Heisenberg group

[oberseminar] Oberseminar Geometrie, Wed 29.10.2014, Math II (Lonza) at 10:20 | more |

### Wojciech Krynski (Warsaw) : Equivalence problems for tangent distributions

[oberseminar] Analysis Seminar, Tue 04.11.2014 Phys 2.73 at 15:15 | more |

### Andrea Schioppa (ETHZ): Vector fields on metric mesure spaces, and 1-rectifiable structure

[oberseminar] Oberseminar Geometrie, Wed 05.11.2014, Math II (Lonza) at 10:20 | more |

### Sonja Hohloch (EPF Lausanne): From semi-toric systems to Hamiltonian circle actions and back

[oberseminar] Oberseminar Geometrie, Wed 12.11.2014, Math II (Lonza) at 10:20 | more |

### Rafael Guglielmetti and Matthieu Jacquemet (Fribourg): Groupes et polyèdres de Coxeter hyperboliques: invariants et commensurabilité

[oberseminar] Oberseminar Geometrie, Wed 19.11.2014, Math II (Lonza) at 10:20 | more |

### Alexander Kolpakov (Toronto) : Symmetries of hyperbolic four-manifolds

[oberseminar] Thursday, 27.11.2014, Math II Lonza at 14.00 | more |

### Matthias Lenz (Oxford): On the volume and the number of integer points of a convex polytope

[oberseminar] Thursday, 27.11.2014, Math II Lonza at 15.00 | more |

### Michele Torielli (Hokkaido University): Supersolvable arrangements and their minimal CW-complex

[oberseminar] Oberseminar Topologie, Thu 04.12.2014, Math II (Lonza) at 15h15 | more |

### Wilderich Tuschmann (Karlsruhe): Stability and rigidity in positive scalar curvature

[oberseminar] Oberseminar Geometrie, Wed 3.12.2014, Math II (Lonza) at 10:20 | more |

### Maciej Dunajski (Cambridge): How to recognise a conformally Einstein metric

[oberseminar] Oberseminar Topologie, Tue 16.12.2014, Math II (Lonza) at 14h15
| more |

### Lev Kiwi (Fribourg): Circle actions on complete intersections Part II

[oberseminar] Oberseminar Topologie, Thu 18.12.2014, Math II (Lonza) at 15h15 | more |

### Denis Pythoud (Fribourg): Introduction to a conjecture of Walker

[oberseminar] Oberseminar Geometrie, Wed 17.12.2014, Math II (Lonza) at 10:20 | more |