论文标题
在Stiefel的3个manifolds的并行性上
On Stiefel's parallelizability of 3-manifolds
论文作者
论文摘要
我们给出了一个新的基本证明,证明了封闭的3个manifolds的并行性。我们将任何这样的歧管都承认了Heegaard拆分的主要工具。
We give a new elementary proof of the parallelizability of closed orientable 3-manifolds. We use as the main tool the fact that any such manifold admits a Heegaard splitting.