Branched Coverings, Degenerations, and Related Topics 2009

Professor Mednykh's slides of the second lecture: pdf

Professor Mednykh's slides of the third lecture: pdf

8 (Mon) | ||

10:00-11:00 | A'Campo | Lagrangian polyhedra, symplectic thickenings and monodromy of singularities I |

11:15-12:15 | E. Artal Bartolo | Characteristic varieties of quasi-projective varieties |

14:00-15:00 | A. Degtyarev | Hurwitz equivalence of braid monodromies and extremal elliptic surfaces |

15:15-16:15 | Y. Sato | An attempt to introduce the notion of Iitaka-Kodaira dimensions into Lefschetz fibrations |

16:30-17:30 | M. Murakami | On the period map of certain surfaces of general type |

9 (Tue) | ||

09:50-10:40 | A'Campo | Lagrangian polyhedra, symplectic thickenings and monodromy of singularities II |

10:50-11:40 | Mednykh | Counting branched covering and maps on Riemann surfaces |

11:50-12:20 | Ilya Mednykh | Holomorphic maps between Riemann surfaces of small genera |

14:00-15:00 | K. Konno | On surface singularities of degree one |

15:15-16:15 | N. Monden | On roots of Dehn twists |

16:30-17:30 | H. Goda | Johnson-Morita homomorphism and homological fibered knots |

10 (Wed) | ||

09:50-10:40 | Mednykh | Volumes of polyhedra in spaces of constant curvature |

10:50-11:40 | A'Campo | Lagrangian polyhedra, symplectic thickenings and monodromy of singularities III |

11:40-12:10 | poster | |

14:00-15:00 | H. Matsuda | On transversely and Legendrian non-simple knot types |

15:15-16:15 | K. Yasui | On corks of 4-manifolds (joint work with Selman Akbulut) |

16:30-17:30 | S. Kamada | Surface-links and 2-dimensional braids |

18:00- | Party | |

11 (Thu) | ||

10:00-11:00 | Mednykh | Volumes of knot and link cone-manifolds in spaces of constant curvature |

11:15-12:15 | V. T. Khoi | Dilogarithm identities from Chern-Simons invariants |

14:00-15:00 | Y. Kabaya | The volume and the Chern-Simons invariant of a PSL(2,C)-representation and quandle homology |

15:15-16:15 | K. Ahara | On the global monodromy of a fibration of the Fermat surface of degree n |

16:30-17:30 | S. Kojima | Entropy versus Volume （joint work with E. Kin and M. Takasawa） |

Speaker | Title | (Links to) Related documents | ||||

Lectures | ||||||

N. A'Campo (Univ. of Basel) | Lagrangian polyhedra, symplectic thickenings and monodromy of singularities I, II, III | preprint | ||||

A. Mednykh (Novosibirsk State Univ.) |
Counting branched covering and maps on Riemann surfaces Volumes of polyhedra in spaces of constant curvature Volumes of knot and link cone-manifolds in spaces of constant curvature |
slides slides slides |
||||

60 min talks | ||||||

K. Ahara(Meiji), I. Awata (Meiji) |
On the global monodromy of a fibration of the Fermat surface of degree n | preprint | ||||

E. Artal Bartolo (Zaragoza) | Characteristic varieties of quasi-projective varieties | slides | ||||

A. Degtyarev (Bilkent) | Hurwitz equivalence of braid monodromies and extremal elliptic surfaces | preprint | ||||

H. Goda (Tokyo Univ. of Agriculture and Technology), T. Sakasai(Tokyo Institute of Technology) |
Johnson-Morita homomorphism and homological fibered knots | slides | ||||

A. Inoue (Tokyo Institute of Technology), Y. Kabaya (Osaka City Univ.) |
The volume and the Chern-Simons invariant of a PSL(2,C)-representation and quandle homology | slides | ||||

S. Kamada (Hiroshima) | Surface-links and 2-dimensional braids | |||||

V. T. Khoi (Institute of Math. in Hanoi) | Dilogarithm identities from Chern-Simons invariants | |||||

S. Kojima (Tokyo Institute of Technology) | Entropy versus Volume （joint work with E. Kin and M. Takasawa） | preprint | ||||

K. Konno (Osaka) | On surface singularities of degree one | |||||

H. Matsuda (Hiroshima) | On transversely and Legendrian non-simple knot types | |||||

M. Murakami (Padova) | On the period map of certain surfaces of general type | |||||

N. Monden (Osaka) | On roots of Dehn twists | |||||

Y. Sato (Yamaguchi) | An attempt to introduce the notion of Iitaka-Kodaira dimensions into Lefschetz fibrations | |||||

K. Yasui (RIMS) | On corks of 4-manifolds (joint work with Selman Akbulut) |
preprint1 preprint2 preprint3 |
||||

30 min talks | ||||||

Ilya Mednykh (Novosibirsk State Univ.) | Holomorphic maps between Riemann surfaces of small genera | slides | ||||

Posters | ||||||

T. Shirane (Tokyo Metropolitan Univ.) | On generic 4-fold covers of algebraic surfaces | poster | ||||

T. Yasumura (Tokyo Metropolitan Univ.) | Non-Galois triple coverings of projective plane branched along quintic curves and cubic surfaces in projective space | poster |

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END