On the type of a polynomial relative to a circle — An open problem
This paper is a sequel to . In it we prove a Theorem and Corollary which imply, in particular, the unproved Theorem 4 of that paper. In addition we analyze the reasons for the failure, in certain special cases, of an algebraic algorithm for determining the type of a polynomial relative to a circle. For background material the reader is referred in addition to , ,  and the references contained in those papers.
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