TY  - JOUR
AU  - Kasagawa, Ryoji
TI  - A second cohomology class of the symplectomorphism group with the discrete topology
JO  - Algebraic and Geometric Topology
PY  - 2018
SP  - 187
EP  - 219
VL  - 18
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.2140/agt.2018.18.187/
DO  - 10.2140/agt.2018.18.187
ID  - 10_2140_agt_2018_18_187
ER  -