Interpolation categories for homology theories |
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Authors: | Georg Biedermann |
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Affiliation: | Department of Mathematics, Middlesex College, The University of Western Ontario, London, Ontario N6A 5B7, Canada |
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Abstract: | For a homological functor from a triangulated category to an abelian category satisfying some technical assumptions, we construct a tower of interpolation categories. These are categories over which the functor factorizes and which capture more and more information according to the injective dimension of the images of the functor. The categories are obtained by using truncated versions of resolution model structures. Examples of functors fitting in our framework are given by every generalized homology theory represented by a ring spectrum satisfying the Adams-Atiyah condition. The constructions are closely related to the modified Adams spectral sequence and give a very conceptual approach to the associated moduli problem and obstruction theory. As an application, we establish an isomorphism between certain E(n)-local Picard groups and some Ext-groups. |
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Keywords: | 55S35 55S45 55T15 |
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