论文标题

单一折山转换和复曲面图

Monomial Cremona transformations and toric polar maps

论文作者

Fassarella, Thiago, Medeiros, Nivaldo

论文摘要

鉴于由$ d $的单个单元定义的三维投影空间中的杂志地图,我们证明它的倒数是由$ d^2-d+1 $ $的单个学位定义的。

Given a birational map in the three dimensional projective space defined by monomials of degree $d$, we prove that its inverse is defined by monomials of degree at most $d^2-d+1$.

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