idUS - Author profile: Fernández Lebrón, María Magdalena

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Name	Fernández Lebrón, María Magdalena
Department	Matemática Aplicada I
Knowledge area	Matemática Aplicada
Professional category	Profesora Contratada Doctora
E-mail	Request

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Article A logic-algebraic tool for reasoning with Knowledge-Based Systems Alonso Jiménez, José Antonio; Aranda Corral, Gonzalo A.; Borrego Díaz, Joaquín; Fernández Lebrón, María Magdalena; Hidalgo Doblado, María José (Elsevier, 2018-01-01) A detailed exposition of foundations of a logic-algebraic model for reasoning with knowledge bases speci ed by propositional ...
Presentation Conservative Retractions of Propositional Logic Theories by Means of Boolean Derivatives: Theoretical Foundations Aranda Corral, Gonzalo A.; Borrego Díaz, Joaquín; Fernández Lebrón, María Magdalena (Springer, 2009-01-01) We present a specialised (polynomial-based) rule for the propositional logic called the Independence Rule, which is useful ...
Presentation Extending Attribute Exploration by Means of Boolean Derivatives Alonso Jiménez, José Antonio; Aranda Corral, Gonzalo A.; Borrego Díaz, Joaquín; Fernández Lebrón, María Magdalena; Hidalgo Doblado, María José (CEUR-WS, 2008-01-01) We present a translation of problems of Formal Context Analysis into ideals problems in F2[x] through the Boolean ...
Article Coefficient fields and scalar extension in positive characteristic Fernández Lebrón, María Magdalena; Narváez Macarro, Luis (Elsevier, 2005-03-15) Let k be a perfect field of positive characteristic, k(t)per the perfect closure of k(t) and A = k[[X1, . . . , Xn]]. We ...
Article Hasse-Schmidt derivations and coefficient fields in positive characteristics Fernández Lebrón, María Magdalena; Narváez Macarro, Luis (Elsevier, 2003-07-01) We show how to express any Hasse-Schmidt derivation of an algebra in terms of a finite number of them under natural ...
Article Conservation of the noetherianity by perfect transcendental field extensions Fernández Lebrón, María Magdalena; Narváez Macarro, Luis (European Mathematical Society, 2003-01-01) 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.
PhD Thesis Derivaciones de Hasse-Schmidt, cuerpos de coeficientes y extensión de escalares en característica positiva Narváez Macarro, Luis; Fernández Lebrón, María Magdalena (2002-03-08) Una de las diferencias más notables entre el Álgebra de característica positiva y el Álgebra de característica cero radica ...