Some extensions and generalizations of Eneström–Kakeya theorem

A.A. Mogbademu, S. Hans, J.A. Adepoju
2015 Journal of the Nigerian Mathematical Society  
In this paper, we put restrictions on the coefficients of a polynomial in order to improve the bounds for their zeros in a specific region. Our results extend and generalise a number of previously well known theorems including Eneström-Kakeya theorem.
doi:10.1016/j.jnnms.2015.03.002 fatcat:2tcci36txzcs7lzfm7w2m5njpu