2005/03/30 | 对称曲面[Symmetroid]
类别(∑〖数学〗) | 评论(0) | 阅读(31) | 发表于 15:13
A quartic surface which is the locus of zeros of the determinant of a symmetric [img]http://mathworld.wolfram.com/s3img3860.gif[img] matrix of linear forms. A general symmetroid has 10 ordinary double points (Jessop 1916, Hunt 1996).
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