Barth Decic[Barth Decic] - 达人(其实～我是卧底，来自外星)

2005/01/12 | Barth Decic[Barth Decic]
类别(∑〖数学〗) | 评论(0) | 阅读(18) | 发表于 12:40: [img]http://mathworld.wolfram.com/bimg509.gif[img]
The Barth decic is a decic surface in complex three-dimensional projective space having the maximum possible number of ordinary double points (345). It is given by the implicit equation

where is the golden ratio and w is a parameter (Endraß, Nordstrand), taken as w = 1 in the above plot. The Barth decic is invariant under the icosahedral group.; 0