On the zeros and critical points of a rational map

Xavier Buff

International Journal of Mathematics and Mathematical Sciences, 2001, vol. 28, 1-4

Abstract:

Let f : ℙ 1 → ℙ 1 be a rational map of degree d . It is well known that f has d zeros and 2 d − 2 critical points counted with multiplicities. In this note, we explain how those zeros and those critical points are related.

Date: 2001
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jijmms:371591

DOI: 10.1155/S0161171201011589

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