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On thick subcategories of the category of projective presentations

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arxiv 2303.05226 v3 pith:ZSZJQPBD submitted 2023-03-09 math.RT

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keywords subcategoriescategorythickbijectioncomplexesprojectivetermalgebra
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We study thick subcategories of the category of 2-term complexes of projective modules over an associative algebra. We show that those thick subcategories that have enough injectives are in explicit bijection with 2-term silting complexes and complete cotorsion pairs. We also provide a bijection with left finite wide subcategories of the module category and prove that all these maps are compatible with previously known correspondences. We discuss possible applications to stability conditions.

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  1. Maximal finite semibricks consist only of open bricks

    math.RT 2025-01 accept novelty 8.0 of 10

    In any maximal finite semibrick for a finite dimensional algebra over an algebraically closed field, every brick is an open brick.

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