16.-Linear-Algebra-by-Kenneth-Hoffman · Problem 4.2.8
Polynomials
Mathematics — Linear Algebra · composition-map-polynomial
Problem
If F is a field and h is a polynomial over F of degree ≥1, show that the mapping f→f(h) is a one-one linear transformation of F[x] into F[x]. Show that this transformation is an isomorphism of F[x] onto F[x] if and only if degh=1.