## 4th Operator Algebras International Conference Constanta, Romania July 2 - July 7, 2001

Main Talks

Mon July 2 | Tue July 3 | Wed July 4 | Thu July 5 | Fri July 6 | Sat July 7 | |

9:30-10:15 | Anantharaman-Delaroche | Siedentop | Evans | Combes | Bratteli | Kawahigashi |

10:45-11:30 | Renault | Skibsted | Kirchberg | Verbeure | Rordam | Dykema |

11:45-12:30 | Landsman | Stollmann | Van Daele | Cuntz | Elliott | Vasilescu |

14:30-15:15 | Georgescu | Duclos | Dadarlat | Phillips | Radulescu | |

Parallel Sessions A

Mon July 2 | Tue July 3 | Thu July 5 | Fri July 6 | |

15:45-16:15 | Zacharias | Banica | Hiai | Conti |

16:25-16:55 | Pask | Guido | N. Popa | Choda |

17:05-17:25 | Ng | Landstad | Kawamuro | Katsura |

17:30-17:50 | Panaite | Larsen | Jeong | Vasselli |

17:55-18:15 | Yamagami | Buneci | Morsella | Kye |

Parallel Sessions B

Mon July 2 | Tue July 3 | Thu July 5 | Fri July 6 | |

15:45-16:15 | Mantoiu | Kellendonk | Angelescu | Beggs |

16:25-16:55 | Corneau | Blanchard | Exner | Isola |

17:05-17:25 | Iftimovici | Gologan | Mandache | Cojuhari |

17:30-17:50 | Kuckert | Oyono-Oyono | Constantinescu | Prunaru |

17:55-18:15 | Ferrari | Mueger | Popovici | Gheondea |

18:25-18:45 | Majewski | |||

## Plenary Session Titles C. Anantharaman-Delaroche: On the spectral characterizations of amenability O. Bratteli: Operator theory in wavelet analysis J.-M. Combes: Edge states and localized states in quantum Hall systems J. Cuntz: Quantum spaces and their non-commutative topology M. Dadarlat: On the approximation of amenable maximally almost periodic groups P. Duclos: Weakly regular Floquet Hamiltonians with pure point spectrum K. Dykema: Decomposability of DT-operators G. Elliott: An amenable (non-simple) properly infinite C*-algebra with a full finite projection D. E. Evans: Critical phenomena, modular invariants and subfactors V. Georgescu: C*-algebras of quantum Hamiltonians Y. Kawahigashi: Nets of subfactors on the circle E. Kirchberg: Classification of non-simple purely infinite algebras N. P. Landsman: Functoriality of the tangent groupoid N. C. Phllips: The structure of C*-algebras of minimal diffeomorphisms F. Radulescu: An inifinite semicircular element J. Renault: AF equivalence relations and cocycles M. Rordam: A simple C*-algebra with a finite and infinite projection H. Siedentop: The quantized relativistic electron-positron field in quasifree states E. Skibsted: Long-renage three-body scattering P. Stollmann: Quasicrystals and aperiodic order A. Van Daele: The Heisenberg commutation relatios, commuting squares, and the Haar measure on locally compact groups F.-H. Vasilescu: Positive polynomials in C*-algebras A. Verbeure: Goldstone bosons normal coordinates