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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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
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