搜索结果: 1-1 共查到“数学 abelian fundamental group”相关记录1条 . 查询时间(0.088 秒)
Braids and symplectic four-manifolds with abelian fundamental group
four-manifolds abelian fundamental group
2010/3/1
We explain how a version of Floer homology can be used as an invariant of symplectic manifolds with b1>0. As a concrete example, we look at four-manifolds produced from braids by a surgery constructio...