Polish-Japanese

Singularity Theory Working Days

7-14 July, 2007

Sopot, Poland

Programme

Saturday, July 7

Arrival to Sopot

Sunday, July 8

09:30-10:15 **Registration**

10:15-10:25 **Opening**

10:25-11:10 **Maria Aparecida Soares Ruas** -Topological triviality of families of finitely determined map-germs

11:40-12:25 **Shyuichi Izumiya** -Horospherical geometry of submanifolds in Hyperbolic space

**Lunch break**

14:30-15:15 **Marek Grochowski** -Properties of reachable sets in the sub-Lorentzian geometry

15:45-16:30 **Yutaka Matsui, Kiyoshi Takeuchi** -Lefschetz fixed point formulas over singular varieties

19:00 **Dinner at IM PAN in Sopot**

Monday, July 9

09:30-10:15 **Goo Ishikawa **-Classification problem in symplectic singularity theory

10:45-11:30 **Stanislaw Janeczko **-Hamiltonian systems on submanifolds- (joint work with T. Fukuda)

12:00-12:45 **Bronislaw Wajnryb -**Automorphisms of branched covers of a disk of degree 4

Lunch break

15:00 **The excursion to Amber Centre **

Tuesday, July 10

09:30-10:15 **Marcelo Jose Saia** -C^l-G-triviality of map germs and Newton polyhedra, G = R, C and K

10:45-11:30 **Zbigniew Szafraniec -**Immersions of spheres and algebraically constructible functions

12:00-12:45 **Kazuhiro Shibuya -**A set of integral elements of higher order jet spaces

Lunch break

15:00-15:45 **Wojciech Domitrz -**Typical singularities of symplectic immersions of 2n-manifolds to 4n-manifolds

16:15-17:00 **Tomohiro Okuma **-The Casson Invariant Conjecture and splice type singularities

19:00 **Dinner at the Restaurant Harnas in Sopot**

Wednesday, July 11

09:30-10:15 **Atsushi Takahashi** -Mirror symmetry of weighted-homogeneous isolated hypersurface singularities in two dimensions

10:45-11:30 **Zbigniew Jelonek **-Some properties of symplectomorphisms

12:00-12:45 **Masahiko Yoshinaga -**Geometry of logarithmic vector fields

Lunch break in Gdańsk

The excursion to the old town in Gdańsk

Thursday, July 12

09:30-10:15 **Ichiro Shimada -**Non-homeomorphic conjugate complex varieties

10:45-11:30 **Piotr Mormul -**The least underdetermined systems of ODEs: Cartan's 1914 theorem in the presence of Monster tower

12:00-12:45 **Tadashi Tomaru** -C^*-pencil of curves and C^*-complex surface singularities-

Lunch break

15:00-15:45 **Ewa Strozyna -**Multidimensional formal Takens normal form

16:15-17:00 **Mariusz Zajac -**Some metric and affine invariants of plane curves

19:00 **Dinner at the Fish Restaurant Tawerna Rybaki**

Friday, July 13

09:30-10:15 **Stanislaw Spodzieja **-Orderings in real rational functions field

10:45-11:30 **Tadashi Ashikaga** -Local signature of singular fiber germs of pencils of curves

12:00-12:45 **Grzegorz Skalski**

Lunch break

15:00-15:45 **Takashi Sano **-On affine differential geometry of plane curves

16:15-17:00 **Tomasz Rodak**

**Saturday, July 14**

**Departure**