ListarAlgebra por materia "Perfect extension"
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Artículo
Conservation of the noetherianity by perfect transcendental field extensions
(European Mathematical Society, 2003)Let k be a perfect field of characteristic p>0, k(t)per the perfect closure of k(t) and A a k-algebra. We characterize whether the ring A⊗kk(t)per is noetherian when A is the ring of formal power series in n indeterminates over k.