Approximation and numeration December 18-20, 2013 Université Paris Diderot - Paris 7 Bât. Sophie Germain, Amphithéâtre Turing | |

This workshop is dedicated to approximation properties of sequences defined by numeration systems. It is supported by the ANR/FWF project FAN and the ANR project DYNA3S.

Programme (Abstracts):

Wednesday, December 18 | ||

9:30 - 10:00 | Welcome coffee | |

10:00 - 10:50 | Fritz Schweiger | Open problems for multidimensional continued fractions |

11:00 - 11:50 | Arnaldo Nogueira | Ergodicity of multidimensional continued fraction algorithms |

12:00 - 14:00 | Lunch at Restaurant CROUS Buffon, 17 rue Hélène Brion | |

14:00 - 14:50 | Robert Tichy | Discrepancy, dynamical systems and limit theorems (Slides) |

14:50 - 15:20 | Coffee break | |

15:20 - 16:10 | Viviane Baladi | Natural boundary for the susceptibility function of generic piecewise expanding unimodal maps |

16:20 - 17:00 | Ali Messaoudi | Adding machine and fibered Julia sets |

20:00 | Dinner at L'Auberge Etchegorry, 41 rue Croulebarbe, 75013 Paris | |

Thursday, December 19 | ||

9:30 - 10:20 | Thomas Garrity | A generalized family of multidimensional continued fractions: TRIP maps |

10:20 - 10:50 | Coffee break | |

10:50 - 11:40 | Henk Bruin | On generalisations of Selmer's continued fraction algorithm |

11:50 - 12:30 | Sasha Skripchenko | On the Hausdorff dimension of the Rauzy gasket (Slides) |

12:30 - 14:00 | Lunch at Restaurant CROUS Buffon, 17 rue Hélène Brion | |

14:00 - 14:50 | Michael Drmota | Subsequences and independence of generalized Halton sequences (Slides) |

14:50 - 15:20 | Coffee break | |

15:20 - 16:10 | Yann Bugeaud | Algebraic approximation to automatic continued fractions |

16:20 - 17:00 | Lingmin Liao | Dirichlet uniformly well-approximated numbers (Slides) |

Friday, December 20 | ||

9:30 - 10:20 | Giulio Tiozzo | Combinatorics and entropy of continued fractions with SL(2, Z) branches |

10:20 - 10:50 | Coffee break | |

10:50 - 11:40 | Frits Beukers | Geodesic continued fractions and LLL (Slides) |

12:00 - 13:30 | Lunch at Restaurant CROUS Buffon, 17 rue Hélène Brion | |

13:30 - 14:20 | Vincent Delecroix | Lyapunov exponents and quality of diophantine approximation in dimension 2 |

14:30 - 15:20 | Brigitte Vallée | Metrical versions of the Two-Distance Theorem (Slides) |

Organisers: