Fibers of rational maps and Rees algebras of their base ideals

Tran Quang Hoa, Ho Vu Ngoc Phuong

We consider a rational map $\varphi :{\mathbb{P}}_k^m⇢{\mathbb{P}}_k^n$ that is a parameterization of an $m$-dimensional variety. Our main goal is to study the $(m-1)$-dime…