This paper is devoted to the problem of where the critical points of a polynomial are relative to their zeros. Classical and new developments are surveyed along with illustrative examples. The paper finishes with a short proof of the sector theorem of Sendov and Sendov.

中文翻译：

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多项式的临界点

本文致力于多项式的临界点相对于零的位置的问题。对经典和新的发展以及说明性示例进行了调查。本文以Sendov和Sendov扇形定理的简短证明作为结尾。