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arxiv: 1208.2385 · v2 · pith:BCAJW4IPnew · submitted 2012-08-11 · 🧮 math.RA · math.CV

A proof of the main theorem on Bezoutians

classification 🧮 math.RA math.CV
keywords proofassociatedbezoutianbezoutianscommoncountingequalsgive
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We give a self-contained proof that the nullity of the Bezoutian matrix associated with a pair of polynomials $f$ and $g$ equals the number of their common zeros counting multiplicities.

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