Dimitrov, Dimitar K. [UNESP]2014-05-272014-05-271998-12-01Proceedings of the American Mathematical Society, v. 126, n. 7, p. 2065-2070, 1998.0002-9939http://hdl.handle.net/11449/65595The classical Gauss-Lucas Theorem states that all the critical points (zeros of the derivative) of a nonconstant polynomial p lie in the convex hull H of the zeros of p. It is proved that, actually, a subdomain of H contains the critical points of p. ©1998 American Mathematical Society.2065-2070engNontrivial critical point of a polynomialArtigo10.1090/S0002-9939-98-04381-0WOS:000074694200025Acesso aberto2-s2.0-220444408222-s2.0-22044440822.pdf