This paper establishes the existence of a domain (open connected subset) B of the complex plane C such that for every domain Ω ⊂ C and every compact set K ⊂ Ω, there is a biholomorphic embedding e : B → Ω, such that K ⊂ e(B) ⊂ cl [e(B)] ⊂ Ω.
© Copyright 1974 Pacific Journal of Mathematics. All rights reserved.