푸앵카레 정십이면체 공간(dodecahedral space)
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개요
- 3차원 호몰로지 구면
호몰로지
\[ H_{k}(X,\mathbb{Z})\simeq \begin{cases} \mathbb{Z} & \mbox{if } k = 0,3 \\ 0 & \mbox{if } k = 1,2 \end{cases} \]
메모
- http://www.rudyrucker.com/blog/2008/04/20/is-the-universe-infinite/
- http://blog.daum.net/brainet/37
- http://www.staff.science.uu.nl/~henri105/Teaching/TopologieEnMeetkunde2012.pdf
- http://mathoverflow.net/questions/86166/explicit-tetrahedralizations-of-closed-3-manifolds-and-connections-between-convex