Simple algorithm for GCD of polynomials

01/06/2022

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by   Pasquale Nardone, et al.

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Based on the Bezout approach we propose a simple algorithm to determine the gcd of two polynomials which doesn't need division, like the Euclidean algorithm, or determinant calculations, like the Sylvester matrix algorithm. The algorithm needs only n steps for polynomials of degree n. Formal manipulations give the discriminant or the resultant for any degree without needing division nor determinant calculation.