Algebraic Topology
《Algebraic Topology》 · 第 441 页 · Section 4.D
For a disk-bundle pair \((D^n,S^{n-1})\to(E,E')\to B\), a class \(c\in H^n(E,E';R)\) restricting to a generator on each fiber is called a Thom class.
Algebraic Topology
《Algebraic Topology》 · 第 441 页 · Section 4.D
For a disk-bundle pair \((D^n,S^{n-1})\to(E,E')\to B\), a class \(c\in H^n(E,E';R)\) restricting to a generator on each fiber is called a Thom class.
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