| Four Dimensional Topology |
Program == November 25 (Fri) == 13:30--14:10 Naohiko Kasuya (Aoyama Gakuin University) Non-Kaehler complex structures on $R^4$ (joint work with Antonio J Di Scala and Daniele Zuddas) 14:25--14:55 Takahiro Oba (Tokyo Institute of Technology) Inequivalent higher-dimensional Lefschetz fibrations from the 4-dimensional point of view 15:10--15:50 Shigeru Takamura (Kyoto University) Families of quotient families 16:05--16:35 Kouki Sato (Tokyo Institute of Technology) A full-twist formula for nu+ invariant 16:50--17:30 Akiko Shima (Tokai University) The structure of a minimal chart with two crossings (joint work with Teruo Nagase) 17:45--18:25 Shin Satoh (Kobe University) Fundamental deformations on unwrithed surface-knots == November 26 (Sat) == 09:30--10:00 Hokuto Konno (The University of Tokyo) Complex of surfaces violating the adjunction inequalities 10:15--10:45 Yuya Kato (The University of Tokyo) Nonsmoothable actions on spin four-manifolds 11:00--11:30 Mizuki Fukuda (Tohoku University) Distinguishing branched twist spins by knot determinants 11:45--12:25 Celeste Damiani (Osaka City University) Alexander invariants for ribbon tangles and circuit algebras (joint work with Vincent Florens) 14:10--14:50 Seiichi Kamada (Osaka City University) Classifying 1-handles attached to surface-links via quandles 15:05--15:45 Inasa Nakamura (The University of Tokyo) Unbraiding 2-dimensional braids by an addition of 1-handles with chart loops 16:00--16:40 Jieon Kim (Osaka City University) On marked graph diagrams of immersed surface-links (joint work with Seiichi Kamada and Akio Kawauchi) 16:55--17:25 Hironobu Naoe (Tohoku University) On homology 4-balls with shadow complexity zero == November 27 (Sun) == 09:30--10:10 Takayuki Okuda (The University of Tokyo ) Sequences of degenerations of propeller surfaces and their splittings (joint work with Shigeru Takamura) 10:25--11:05 Motoo Tange (University of Tsukuba) Infinite order corks 11:20--11:50 Kouichi Yasui (Hiroshima University) Nonexistence of twists and surgeries generating exotic 4-manifolds 13:40--14:10 Takao Matumoto (Kyoto University) On the smooth unknotting conjecture in dimension four XII 14:25--15:05 Osamu Saeki (Kyushu University) Stable maps on 3-manifolds and signatures of 4-manifolds with boundary Organizers:Seiichi Kamada, Kouichi Yasui and Takao Matumoto skamada(*)sci.osaka-cu.ac.jp, kyasui(*)hiroshima-u.ac.jp, matumoto(*)math.sci.hiroshima-u.ac.jp. (*) --> @ |
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