1998 | OriginalPaper | Buchkapitel
A Probabilistic Zero-Test for Expressions Involving Roots of Rational Numbers
verfasst von : Johannes Blömer
Erschienen in: Algorithms — ESA’ 98
Verlag: Springer Berlin Heidelberg
Enthalten in: Professional Book Archive
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Given an expression E using +, −, *, /, with operands from Z and from the set of real roots of integers, we describe a probabilistic algorithm that decides whether E = 0. The algorithms has a one-sided error. If E = 0, then the algorithm will give the correct answer. If E ≠ 0, then the error probability can be made arbitrarily small. The algorithm has been implemented and is expected to be practical.