Extension of Some Theorems of W. Schwarz
Extension of Some Theorems of W. Schwarz
Abstract In this paper, we prove that a non–zero power series F ( z ) ∈ ℂ[[ z ]] satisfying where d ≥ 2, A ( z ), B ( z ) ∈ C[ z ] with A ( z ) ≠ 0 and deg A ( z ), deg …