The Zariski category of graded commutative rings
Yves Diers (1992)
Cahiers de Topologie et Géométrie Différentielle Catégoriques
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Yves Diers (1992)
Cahiers de Topologie et Géométrie Différentielle Catégoriques
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Huq, S.A., Aijaz, Kulsoom (1969)
Portugaliae mathematica
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Gijs M. Tuynman (1997)
Publicacions Matemàtiques
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We describe a general axiomatic way to define functions of class C, k ∈ N∪{∞} on topological abelian groups. In the category of Banach spaces, this definition coincides with the usual one. The advantage of this axiomatic approach is that one can dispense with the notion of norms and limit procedures. The disadvantage is that one looses the derivative, which is replaced by a local linearizing factor. As an application we use this approach to define C functions in the setting of graded/super...
Dubois-Violette, M., Kerner, R. (1996)
Acta Mathematica Universitatis Comenianae. New Series
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Samir Mahmoud, S. (1996)
Bulletin of the Belgian Mathematical Society - Simon Stevin
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Tadeusz Józefiak (1976)
Fundamenta Mathematicae
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Yves Felix, Jean-Claude Thomas, Micheline Vigué-Poirrier (2004)
Publications Mathématiques de l'IHÉS
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Let M be a closed orientable manifold of dimension and be the usual cochain algebra on M with coefficients in a field. The Hochschild cohomology of M, is a graded commutative and associative algebra. The augmentation map induces a morphism of algebras . In this paper we produce a chain model for the morphism I. We show that the kernel of I is a nilpotent ideal and that the image of I is contained in the center of , which is in general quite small. The algebra is expected to...
Angel del Río (1992)
Publicacions Matemàtiques
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Let G be a group, R a G-graded ring and X a right G-set. We study functors between categories of modules graded by G-sets, continuing the work of [M]. As an application we obtain generalizations of Cohen-Montgomery Duality Theorems by categorical methods. Then we study when some functors introduced in [M] (which generalize some functors ocurring in [D1], [D2] and [NRV]) are separable. Finally we obtain an application to the study of the weak dimension of a group graded ring. ...
Jan O. Kleppe (1979)
Mathematica Scandinavica
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