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A Polynomial Time Nilpotence Test for Galois Groups and Related Results

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Mathematical Foundations of Computer Science 2006 (MFCS 2006)

Part of the book series: Lecture Notes in Computer Science ((LNTCS,volume 4162))

Abstract

We give a deterministic polynomial-time algorithm to check whether the Galois group Gal(f) of an input polynomial f(X) ∈ ℚ[X] is nilpotent: the running time is polynomial in size(f). Also, we generalize the Landau-Miller solvability test to an algorithm that tests if Gal(f) is in Γ d : this algorithm runs in time polynomial in size(f) and n d and, moreover, if Gal(f) ∈ Γ d it computes all the prime factors of # Gal(f).

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© 2006 Springer-Verlag Berlin Heidelberg

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Arvind, V., Kurur, P.P. (2006). A Polynomial Time Nilpotence Test for Galois Groups and Related Results. In: Královič, R., Urzyczyn, P. (eds) Mathematical Foundations of Computer Science 2006. MFCS 2006. Lecture Notes in Computer Science, vol 4162. Springer, Berlin, Heidelberg. https://doi.org/10.1007/11821069_12

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  • DOI: https://doi.org/10.1007/11821069_12

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-37791-7

  • Online ISBN: 978-3-540-37793-1

  • eBook Packages: Computer ScienceComputer Science (R0)

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