Resumen de On quotients of holomorphic funtions in the dics with boundary regularity conditions
In this paper we give characterizations of those holomorphic functions in the unit disc in the complex plane that can be written as a quotient of functions in A(D), A8(D) or ?1(D) with a nonvanishing denominator in D. As a consequence we prove that if f Î ?1(D) does not vanish in D, then there exists g Î ?1(D) which has the same zero set as f in Dbar and such that fg Î A8(D).
