Affine bundle
In mathematics, an affine bundle is a fiber bundle whose typical fiber, fibers, trivialization morphisms and transition functions are affine. == Formal definition == Let π ¯ : Y ¯ → X {\displaystyle {\overline {\pi }}:{\overline {Y}}\to X} be a vector bundle with a typical fiber a vector space F ¯ {\displaystyle {\overline {F}}} .