114 research outputs found

    A Coboundary Morphism For The Grothendieck Spectral Sequence

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    Given an abelian category A\mathcal{A} with enough injectives we show that a short exact sequence of chain complexes of objects in A\mathcal{A} gives rise to a short exact sequence of Cartan-Eilenberg resolutions. Using this we construct coboundary morphisms between Grothendieck spectral sequences associated to objects in a short exact sequence. We show that the coboundary preserves the filtrations associated with the spectral sequences and give an application of these result to filtrations in sheaf cohomology.Comment: 18 page

    A Trajectory-Based Recommender System for Tourism

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