KnowraWeierstrass preparation theoremLinked fromLinked fromThe 2 pages that link to Weierstrass preparation theorem, each with the reason it gives.All 2Broader topic 1Related 1Karl WeierstrassBroader topic: This local factorization is a central tool in Weierstrass's theory of analytic functions.Hartogs extension theoremRelated: It became a central tool for analyzing local holomorphic structure in the subject Hartogs helped establish.