Subresultants in multiple roots: an extremal case

Published 12 Aug 2016 in math.AC and math.AG | (1608.03740v2)

Abstract: We provide explicit formulae for the coefficients of the order-d polynomial subresultant of (x-\alpha)^m and (x-\beta)ⁿ with respect to the set of Bernstein polynomials {(x-\alpha)^{j(x-\beta)^{d-j},} \, 0\le j\le d}. They are given by hypergeometric expressions arising from determinants of binomial Hankel matrices.

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