Spherical subcategories in representation theory
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DOI: 10.1007/s00209-018-2075-4
Abstract: We introduce a new invariant for triangulated categories: the poset of spherical subcategories ordered by inclusion. This yields several numerical invariants, like the cardinality and the height of the poset. We explicitly describe spherical subcategories… read more here.
Keywords: subcategories representation; representation theory; spherical subcategories;