AND HARMONIC ANALYSIS

Cortona, Italy, June 13-18, 2004

Program of the conference

On Sunday, 13 June, the Palazzone opens at 14.00.

MONDAY, 14 June Morning session:chair P. de la Harpe | ||

9.00-10.10 | Opening | |

Rostislav I.GRIGORCHUK | "The development of amenability in the past 50 years" | |

10.10-10.40 | Coffee break | |

10.40-11.30 | Jason FULMAN | "Character ratios" |

11.50-12.20 | Florin RADULESCU | "Connes embedding Problem and Hilbert 17th problem" |

12.20-14.50 | Lunch break | |

Afternoon sessions:chairs D. I. Cartwright (general + A), M. Bridson (B) | ||

14.50-15.40 | Alain VALETTE | "II_1 factors with trivial fundamental group" |

15.40-16.10 | Coffee break | |

Parallel sessions A+B:
| ||

16.10-16.40 | (A) Marc PEIGNÉ | "On a centrifugal random walk in the euclidean space" |

(B) Ilya KAPOVICH | "Generic stretching factors of free group endomorphisms" | |

16.45-17.15 | (A) David REVELLE | "Off-diagonal heat kernel bounds on wreath products" |

(B) Alexei MIASNIKOV | "Random van Kampen diagrams and algorithmic problems in groups" | |

17.30-18.00 | (A) Frédéric MATHEUS | "Random walks on free products of cyclic groups and on Artin groups with two generators" |

(B) Indira Lara CHATTERJI | "The Rapid Decay property on locally compact groups" | |

18.05-18.35 | (A) Sara BROFFERIO | "The Poisson boundary for random rational affinities" |

(B) Udo BAUMGARTNER | "Dynamics of automorphisms of totally disconnected groups" | |

TUESDAY, 15 June Morning session:chair V.A. Kaimanovich | ||

9.00- 9.50 | Kenneth BROWN | "Introduction to Thompson's group" |

9.50-10.20 | Coffee break | |

10.20-11.10 | Amos NEVO | "The spectral theory of amenable actions and invariants of discrete groups" |

11.30-12.20 | Balint VIRÁG | "Self-similar random walks and amenability" |

12.20-14.50 | Lunch break | |

Afternoon sessions:chairs B. Virág (general and B), K. Th. Sturm (A) | ||

14.50-15.40 | Vadim A. KAIMANOVICH | "'Muenchhausen trick' and amenability of self-similar groups" |

15.40-16.10 | Coffee break | |

Parallel sessions A+B :
| ||

16.10-16.40 | (A) Isaac PESENSON | "Poincare-type inequalities and reconstruction of Paley-Wiener functions on manifolds and graphs" |

(B) Zoran SUNIK | "Dimension and spectra of automaton groups" | |

16.45-17.15 | (A) Laurent BARTHOLDI | "Amenability via random walks" |

(B) Elmar TEUFL | "Oscillation phenoma on self-similar graphs" | |

17.30-18.00 | (A) Enric VENTURA | "The conjugacy problem in free-by-cyclic groups is solvable" |

(B) Volker METZ | "Self-similar fractals and self-similar random walks" | |

18.05-18.35 | (A) Joel M. COHEN | "Potential theory on trees without potentials" |

(B) Volodymyr NEKRASHEVYCH | "Mandelbrot set and group theory" | |

WEDNESDAY, 16 June Morning session:chair G. Pisier | ||

9.00- 9.50 | Sorin POPA | "Classification of factors arising from actions of weakly rigid groups by Bernoulli shifts" |

9.50-10.20 | Coffee break | |

10.20-11.10 | Yves GUIVARC'H | "Limit sets of group actions on boundaries and other homogeneous spaces" |

11.30-12.20 | Martin BRIDSON | "Subdirect products and finiteness properties of groups" |

12.30-13.00 | Emmanuel BREUILLARD | "Limit theorems for random walks on Lie groups" |

13.00 | Lunch | |

Free afternoon | ||

THURSDAY, 17 June Morning session:chair A. Figà-Talamanca | ||

9.00- 9.50 | Bachir BEKKA | "Some new developments around property (T)" |

9.50-10.20 | Coffee break | |

10.20-11.10 | Anna ERSCHLER | "Isoperimetry, heat kernel and asymptotics of random loops in groups" |

11.30-12.20 | Alexander LUBOTZKY | "On finite groups and hyperbolic manifolds" |

12.20-14.50 | Lunch break | |

Afternoon sessions:chairs A. Nevo (general and A), I. Kapovich (B) | ||

14.50-15.40 | Tim STEGER | "Tempered irreducible unitary representations of the free group" |

15.40-16.00 | Coffee break | |

16.00-16.30 | Donald CARTWRIGHT | "Ramanujan complexes" |

16.35-17.05 | Said SIDKI | "Groups without free subgroups of rank 2" |

Parallel sessions A+B:
| ||

17.20-17.50 | (A) Gabriel PICIOROAGA | "The von Neumann algebra of the canonical equivalence relation of the Thompson group" |

(B) Gabriella KUHN | "Transference for amenable actions" | |

17.55-18.25 | (A) Markus NEUHAUSER | "Relative property (T) and related properties of wreath products" |

(B) Awni AL-DABABSEH | "On supersolubility of some finite factorizable groups" (17.55-18.10) | |

Jehad JARADEEN | "Some conditions for p-solubility of finite groups" (18.10-18.25) | |

FRIDAY, 18 June Morning sessions:chairs B. Bekka (general and A), T. Steger (B) | ||

9.00- 9.50 | Gilles PISIER | "Are unitarizable groups amenable ?" |

9.50-10.20 | Coffee break | |

Parallel sessions:
| ||

10.30-11.00 | (A) Karl-Theodor STURM | "Martingales in graphs and metric spaces" |

(B) Angeles CARMONA | "General metrics and discrete operators on multigraphs" | |

11.05-11.35 | (A) Franz LEHNER | "A noncommutative version of De Finetti's theorem" |

(B) Serban NACU | "Glauber dynamics on the cycle is monotone" | |

11.40-12.10 | (A) Motoko KOTANI | "Magnetic transition operator on a crystal lattice" |

(B) Filippo TOLLI | "Trees, wreath products and finite Gelfand pairs" | |

12.10-14.40 | Lunch break | |

Afternoon session:chair R. I. Grigorchuk | ||

14.40-15.30 | Christophe PITTET | "Finitely generated groups with the Liouville property" |

15.30-16.00 | Coffee break | |

16.00-16.30 | Wolfgang WOESS | "Non-backtracking random walks and cogrowth of graphs" |

Last modified on June 17, 2004