February 10th and 11th, 2012

On Friday February 10th 2012, Yurii Khomskii will publicly defend his PhD thesis in Amsterdam. Following the defense, we shall hold a set theory workshop where the members of the committee, local set theorists and some additional guests will give talks. Every interested researcher is cordially invited.

Venue: | University Library, Singel 425, Amsterdam, Room Potgieterszaal. |

**Friday 10 February**

15.00-15.45: | Joan Bagaria | Topologies on ordinals and stationary reflection. Slides | |

15.45-16.30: | Daisuke Ikegami | Regularity properties and infinitary Borel sets. Slides | |

Break | |||

16.45-17.30: | Marcin Sabok | Extreme amenability of abelian L_0 groups. Slides | |

17.30-18.15: | Benjamin Miller | Bases, rigidity, and non-hyperfinite equivalence relations. Slides |

**Saturday 11 February**

10.15-11.00: | Sy Friedman | The Essence of V. Slides | |

Break | |||

11.15-12.00: | Philipp Schlicht | Changing the bounding and dominating numbers for classes of uncountable structures. Slides | |

12.00-12.45: | Stefan Geschke | Structural results on clopen graphs. Slides | |

Lunch | |||

13.45-14.30: | Andrew Brooke-Taylor | Large cardinals and colimits. Slides | |

14.30-15.15: | Klaas Pieter Hart | The Katowice problem. Slides | |

Break | |||

15.30-16.15: | Jörg Brendle | Cardinal invariants and large continuum. |

Funded by the | and the | (2011/11871/EW). |