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Name
Diposit Digital de Documents de la UAB
Type
Institutional Repository
Items
53553 Publications
Compatibility
OpenAIRE 2.0+ (DRIVER OA, EC funding)
OAI-PMH
http://ddd.uab.cat/oai2d
More information
Detailed data provider information (OpenDOAR)

 

  • Local cohomology in classical rings

    The aim of this paper is to stablish the close connection between prime ideals and torsion theories in anon necessarily commutative noetherian ring. We introduce a new definition of support of a module and characterize some kinds of torsion theories in terms of prime ideals. Using the machinery introduced before, we prove a version of the Mayer-Vietoris Theorem for local cohomology and stablish a relationship between the classical dimension and the vanishing of the groups of local cohomology ...

    Catastrofismo versus actualismo : implicaciones didácticas

    This paper analises the historic evolution of the «actualist» and "catastrophist" geologic interpretations, describes posible epistemologic obstacles and considers their treatment in the Secondary School.

    Males involuntarios. Para una reapropiación del concepto de «efectos perversos»

    Este trabajo intenta hacer, a la vez, una restricción y una ampliación del concepto de «efectos perversos» (Raymond Boudon). Restricción, porque trata de circunscribir la noción a un conjunto más específico de fenómenos que los considerados por Boudon bajo su órbita, concibiéndolos como un tipo particular de «consecuencias no intencionadas» de la acción social. Pero al mismo tiempo ampliación, porque se intenta recuperar el concepto por fuera del presupuesto de una agencia y una interacción «...
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