Перегляд за автором "Brumatti, P."

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  • On locally nilpotent derivations of Fermat rings 
    Brumatti, P.; Veloso, M. (Algebra and Discrete Mathematics, 2013)
    In this note we prove that the ring B²n has non-zero irreducible locally nilpotent derivations, which are explicitly presented, and that its ML-invariant is C.