| Four Dimensional Topology |
Program ==November 21 (Fri)== 13:30--14:10 Akio Kawauchi (Osaka City University) Smooth unknotting of a ribbon surface-knot 14:30--15:10 Nafaa Chbili (United Arab Emirates University) The polynomial invariants of Quasi-Alternating links (joint work with K. Qazaqzeh) 15:30--16:10 Shigeru Takamura (Kyoto University) Group actions, regular polyhedra, and quotient families 16:20--16:40 Ryota Hirakawa (Kyoto University) Regular polyhedra and complex surfaces 16:50--17:20 Shota Murakami (Keio University) Deformation equivalence classes of surfaces with the first Betti number one, and the second Betti number zero 17:30--18:00 Kengo Kawamura (Osaka City University) On ribbon-clasp 2-knots (joint work with Seiichi Kamada) ==November 22 (Sat)== 09:30--10:10 Kenta Hayano (Hokkaido University) Multisections of Lefschetz fibrations and topology of symplectic 4-manifolds (joint work with Refik Inanc Baykur) 10:30--11:10 Noriyuki Hamada (The University of Tokyo) On sections of the Matsumoto-Cadavid-Korkmaz Lefschetz fibration 11:30--12:00 Takuya Ukida (Tokyo Institute of Technology) A genus zero Lefschetz fibration on the Akbulut cork and exotic pairs 12:10--12:30 Takahiro Oba (Tokyo Institute of Technology) Stein fillings of homology spheres and mapping class groups 14:00--14:40 Daniele Zuddas (Korea Institute for Advanced Study) Topological 4-manifolds as branched covers of S^4 15:00--15:40 Nobuhiro Nakamura (Gakushuin university) Pin(2)-monopole equations and Yamabe invariants (joint work with Masashi Ishida and Shinichiro Matsuo) 16:00--16:40 Yuichi Yamada (The Univ. of Electro-Comm.) 4-manifolds constructed by pairs of lens space surgeries (joint work with Motoo Tange) 17:10--17:30 Masatsuna Tsuchiya (Gakushuin University) On homology 3-spheres defined by two knots 17:40--18:00 Kouki Sato (Tokyo Gakugei University) Non-orientable genus of knots in punctured Spin 4-manifolds ==November 23 (Sun)== 09:30--10:10 Motoo Tange (University of Tsukuba) Definite even 4-manifolds bounding homology spheres 10:30--11:10 Yasuyoshi Tsutsumi (Oshima National College of Maritime Technology) Negativity of the third Ohtsuki invariants of the Brieskorn-Hamm homology 3-spheres 11:30--12:10 Takayuki Okuda (Kyushu University) Splitting of singular fibers in barking families 13:30--14:10 Tetsuya Abe (Tokyo Institute of Technology) Annulus twist and diffeomorphic 4-manifolds II (joint work with In Dae Jong, John Luecke and John Osoinach) 14:30--15:00 Takao Matumoto (Kyoto University) On the smooth unknotting conjecture in dimension four X Organizers: Seiichi Kamada, Kouichi Yasui and Takao Matumoto |
| Last Modified on April 1, 2014. All Rights Reserved, Copyright (c) 2003 Department of Mathematics, OCU |