Branched Coverings, Degenerations, and Related Topics 2010

08 (Mon) -12(Fri) March 2010, Graduate School of Advanced Sciences of Matter, Hiroshima University

room: 401N

organizers:Y. Matsumoto, T. Ashikaga, M. Sakuma, H. Tokunaga, I. Shimada

We thank all the participants!


Japanese page
Branched Coverings, Degenerations, and Related Topics 2009

Professor Mednykh's slides of the first lecture:   pdf
Professor Mednykh's slides of the second lecture:   pdf
Professor Mednykh's slides of the third lecture:   pdf


Professor A'Campo's preprint:   pdf


Program   pdf

8 (Mon)
10:00-11:00 A'Campo Lagrangian polyhedra, symplectic thickenings and monodromy of singularities I
11:15-12:15 E. Artal BartoloCharacteristic varieties of quasi-projective varieties
14:00-15:00 A. DegtyarevHurwitz 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. MurakamiOn 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. KonnoOn surface singularities of degree one
15:15-16:15 N. MondenOn roots of Dehn twists
16:30-17:30 H. GodaJohnson-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. MatsudaOn transversely and Legendrian non-simple knot types
15:15-16:15 K. YasuiOn corks of 4-manifolds (joint work with Selman Akbulut)
16:30-17:30 S. KamadaSurface-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. KhoiDilogarithm identities from Chern-Simons invariants
14:00-15:00 Y. KabayaThe volume and the Chern-Simons invariant of a PSL(2,C)-representation and quandle homology
15:15-16:15 K. AharaOn the global monodromy of a fibration of the Fermat surface of degree n
16:30-17:30 S. KojimaEntropy versus Volume (joint work with E. Kin and M. Takasawa)

12 (Fri) : free discussions.

Speakers

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


Back to I. Shimada's home page
Back to Department of Mathematics, Hiroshima University

END