Titlebook: Symbolic-Numeric Computation; Dongming Wang,Lihong Zhi Conference proceedings 2007 Birkh?user Basel 2007 Differential equations.GCD comput

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New Algorithms for Exact and Approximate Polynomial Decomposition,lem, both for exact and approximate inputs. In this paper, we re-examine the original (exponential-time) algorithm of Barton and Zippel for this task, which looks for special factors of an associated separated bivariate polynomial. We demonstrate algorithms using this approach which are reasonably f