SophusBNC¹⁷³⁹⁹⁵⁺² 基本例句 n.索弗斯¹⁰⁰ The geometry he has been studying is that of a structure known to mathematicians as E8, which was first recognised in1887 by Sophus Lie, a Norwegian mathematician. 他研究的几何在数学上叫做李代数 E8结构。这个结构在1887年首先被挪威数学家 Sophus Lie发现。 yeeyan