Artículo
Coefficient fields and scalar extension in positive characteristic
Autor/es | Fernández Lebrón, María Magdalena
Narváez Macarro, Luis |
Departamento | Universidad de Sevilla. Departamento de Matemática Aplicada I Universidad de Sevilla. Departamento de álgebra |
Fecha de publicación | 2005-03-15 |
Fecha de depósito | 2016-07-04 |
Publicado en |
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Resumen | Let k be a perfect field of positive characteristic, k(t)per the perfect closure of k(t)
and A = k[[X1, . . . , Xn]]. We show that for any maximal ideal n of A′ = k(t)per ⊗k A,
the elements in Ac′
n which are annihilated ... Let k be a perfect field of positive characteristic, k(t)per the perfect closure of k(t) and A = k[[X1, . . . , Xn]]. We show that for any maximal ideal n of A′ = k(t)per ⊗k A, the elements in Ac′ n which are annihilated by the “Taylor” Hasse-Schmidt derivations with respect to the Xi form a coefficient field of Ac′ n . |
Agencias financiadoras | Ministerio de Educación y Ciencia (MEC). España European Commission (EC). Fondo Europeo de Desarrollo Regional (FEDER) |
Identificador del proyecto | MTM2004-07203-C02-01 |
Cita | Fernández Lebrón, M.M. y Narváez Macarro, L. (2005). Coefficient fields and scalar extension in positive characteristic. Journal of Algebra, 285 (2), 819-834. |
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