English

Continuity of the roots of a polynomial

Rings and Algebras 2024-09-26 v3

Abstract

Let KK be an algebraically closed field with an absolute value. This note gives an elementary proof of the classical result that the roots of a polynomial with coefficients in KK are continuous functions of the coefficients of the polynomial.

Keywords

Cite

@article{arxiv.2206.13013,
  title  = {Continuity of the roots of a polynomial},
  author = {Melvyn B. Nathanson and David A. Ross},
  journal= {arXiv preprint arXiv:2206.13013},
  year   = {2024}
}

Comments

10 pages; minor improvements