Nowhere-zero section
= Nowhere-zero section
A nowhere-zero section of a vector bundle is a section $s$ with $s(x)\ne0$ in every fiber. Every trivial vector bundle of positive rank has one.
= Nowhere-zero section
A nowhere-zero section of a vector bundle is a section $s$ with $s(x)\ne0$ in every fiber. Every trivial vector bundle of positive rank has one.