Bounds for positive roots of polynomials
Journal of Computational and Applied Mathematics
Bounds for absolute positiveness of multivariate polynomials
Journal of Symbolic Computation
Fundamental problems of algorithmic algebra
Fundamental problems of algorithmic algebra
Efficient isolation of polynomial's real roots
Journal of Computational and Applied Mathematics - Special issue: Proceedings of the international conference on linear algebra and arithmetic, Rabat, Morocco, 28-31 May 2001
Univariate polynomial real root isolation: continued fractions revisited
ESA'06 Proceedings of the 14th conference on Annual European Symposium - Volume 14
Inequalities on upper bounds for real polynomial roots
CASC'06 Proceedings of the 9th international conference on Computer Algebra in Scientific Computing
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We obtain new inequalities on the real roots of a univariate polynomial with real coefficients. Then we derive estimates for the largest positive root, which is a key step for real root isolation. We discuss the case of classic orthogonal polynomials. We also compute upper bounds for the roots of orthogonal polynomials using new inequalities derived from the differential equations satisfied by these polynomials. Our results are compared with those obtained by other methods.