研究集会「Lefschetz pencils and Low dimensional Topology」

開催日時

2019年5月31日 13時 40分 ～ 2019年6月2日 17時 00分

場所

北海道大学理学部４号館５０１教室

主催者

URL: http://www.math.keio.ac.jp/~k-hayano/sapporo2019.html

サポート：

GiCORE-GSB, Hokkaido University
JSPS KAKENHI Grant-in-Aid for challenging Exploratory Research Grant Number JP18K18714
JSPS KAKENHI Grant-in-Aid for Young Scientists (B) Grant Number JP17K14194

世話人：

大本 亨(北海道大学)
早野 健太(慶應義塾大学)

プログラム

May 31 (Fri.)

13:40 – 14:40 Makoto Enokizono (Tokyo University of Science)
On local signatures for holomorphic fibrations

15:00 – 16:00 R. Inanc Baykur (University of Massachusetts)
Symplectic 4-manifolds and Lefschetz pencils

5/31の16:30 – 18:00には北海道大学にて幾何学コロキウムが開催されます。

June 1 (Sat.)

9:40 – 10:40 Motoo Tange (Tsukuba University)
Handle decompositions for slice disks and moves

11:00 – 12:00 Naoyuki Monden (Okayama University)
A strategy to reduce the number of Johnson’s generators

13:40 – 14:40 Takahiro Oba (Kyoto University, RIMS)
Lefschetz-Bott fibrations on line bundles over symplectic manifolds (1)

15:00 – 16:00 R. Inanc Baykur (University of Massachusetts)
Exotic 4-manifolds via positive factorizations

16:20 – 17:20 Osamu Saeki (Kyushu University)
Unlinking singular loci from regular fibers and its application to submersions

17:40 – 18:10 Hiroto Masuda (Keio University)
Infinite nonabelian corks

June 2 (Sun.)

9:40 – 10:40 Takahiro Oba (Kyoto University, RIMS)
Lefschetz-Bott fibrations on line bundles over symplectic manifolds (2)

11:00 – 12:00 Kouichi Yasui (Osaka University)
Minimal genus functions and smooth structures of 4-manifolds