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We give a rational expression for the subresultants of n+1 generic polynomials f1,…,fn+1 in n variables as a function of the coordinates of the common roots of f1,…,fn and their evaluation in fn+1. We present a simple technique to prove our results, giving new proofs and generalizing the classical Poisson product formula for the projective resultant, as well as the expressions of Hong for univariate...
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