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We extend our previous work on Poisson-like formulas for subresultants in roots to the case of polynomials with multiple roots in both the univariate and multivariate case, and also explore some close...
We determine all graphs whose matching polynomials have at most five distinct zeros. As a consequence, we find new families of graphs which are determined by their matching polynomial. In particular, ...
Specialized hybrid Newton schemes for matrix pth roots
Specialized hybrid Newton schemes matrix pth roots
2010/9/14
We discuss different variants of Newton’s method for computing a pth root of a given matrix. A suitable implementation is presented for solving the Sylvester equation, that appears at every Newton’s i...