Geometry of the tetrahedron space
作者： Eric Babson , Paul E. Gunnells , Richard Scott
DOI: 10.1016/J.AIM.2005.05.013
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摘要: Abstract Let X ∘ be the space of all labeled tetrahedra in P 3 . In [E. Babson, P.E. Gunnells, R. Scott, A smooth tetrahedra, Adv. Math. 165(2) (2002) 285–312] we constructed a symmetric compactification ˜ this article show that complement ⧹ is divisor with normal crossings, and compute cohomology ring H * ( ; Q )
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