讲座时间:5月10日 13:30-14:30讲座地点:Zoom 会议:ID: 405 416 0815 密码: 111111主讲人:Hidetoshi MASAI 正井秀俊,Tokyo Tech
AbstractThe original version of Sullivan's rational surgery realization theorem provides necessary and sufficient conditions for a prescribed rational cohomology ring to be realized by a simply-connected smooth closed manifold. We will present a version of the theorem for almost complex manifolds. It has been shown there exist closed smooth manifolds M^n of Betti number b_i=0 except b_0=b_{n/2}...