On Descartes’ rule for polynomials with two variations of signs
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DOI: 10.1007/s10986-020-09491-9
Abstract: For sequences of d + 1 signs + and − beginning with a + and having exactly two variations of sign, we give some sufficient conditions for the (non)existence of degree d real univariate polynomials… read more here.
Keywords: rule polynomials; polynomials two; two variations; descartes rule ... See more keywords