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Hiroshima Topology Conference

Four Dimensional Topology

Hiroshima University, Hiroshima Japan

November 15 -- November 17, 2010


Speakers include
Daniel Ruberman (Brandeis University)
Refik Inanc Baykur (Brandeis University)
Akio Kawauchi (Osaka City University)
Osamu Saeki (Kyushu University)

Program       (pdf in Japanese)       (pdf in English)
Abstracts       (pdf in English)

November 15  (Mon)

14:00--14:40 Takao Matumoto (Hiroshima University)
On the unknotting conjecture in dimension four VI

14:50--15:30 Toshifumi Tanaka (Gifu University)
On the Jones polynomial of ribbon knots

16:00--16:40 Refik Inanc Baykur (Brandeis University)
Broken Lefschetz fibrations and pencils

16:50--17:30 Susumu Hirose (Saga University)
On diffeomorphisms over non-orientable surfaces standardly embedded in the 4-sphere and the level-2 mapping class group

17:40--18:20 Nobuhiro Nakamura (University of Tokyo)
Seiberg-Witten theory and intersection forms with local coefficients

November 16  (Tue)

09:00--09:50 Daniel Ruberman (Brandeis University)
Periodic-end Dirac operators and Seiberg-Witten theory

10:00--10:40 Refik Inanc Baykur (Brandeis University)
Round handles, logarithmic transforms, and smooth four-manifolds

11:00--11:40 Osamu Saeki (Kyushu University)
Elimination of definite fold and broken Lefschetz fibrations

11:50--12:30 Naoyuki Monden (Osaka University)
Lefschetz fibrations over a torus admitting a section of square 0

14:00--14:40 Kouichi Yasui (Kyoto University)
Cork twisting exotic Stein 4-manifolds

14:50--15:30 Takefumi Nosaka (RIMS, Kyoto University)
4-fold symmetric quandle invariants of 3-manifolds (joint work with Eri Hatakenaka)

16:00--16:40 Inasa Nakamura (RIMS, Kyoto University)
Quandle cocycle invariant of a certain T^2-link

16:50--17:30 Yoshiro Yaguchi (Hiroshima University)
Hurwitz equivalence in braid systems and its applications to surface braids

17:40--18:20 Kentaro Saji (Gifu university)
Recognition criteria for singularities of fronts and their applications

November 17  (Wed)

09:00--09:40 Hirofumi Sasahira (Nagoya university)
Instanton Floer homology for lens spaces

09:50--10:30 Motoo Tange (RIMS, Kyoto University)
Knot surgery on $S^2\times S^2$

10:50--11:30 Shohei Yamada (Osaka University)
On Cappell-Shaneson homotopy spheres

11:40--12:20 Akio Kawauchi (Osaka City University)
Immersed link cobordism and multi-variable Alexander polynomial


Organizers: Seiichi Kamada and Takao Matumoto (Hiroshima University)