1.In this paper, we show that the Pseudo-Symmetric property of spherical point set can be characterized by the eigen values of eigenpolynomial and it has the closeness under the metric sum operation.

1.本文证明了有限点集的伪对称性可以完全由其征多项式的根来刻画，并得到了在运算下伪对称性具有封闭性.