Mathematics > Quantum Algebra
[Submitted on 13 Jun 2024
]
Title: Skein Categories in Non-semisimple Settings
Title: 非半单设置中的辫群范畴
Abstract: We introduce a version of skein categories which depends on a tensor ideal in a ribbon category, thereby extending the existing theory to the setting of non-semisimple TQFTs. We obtain modified notions of skein algebras of surfaces and skein modules of 3-cobordisms for non-semisimple ribbon categories. We prove that these skein categories built from ideals coincide with factorization homology, shedding new light on the similarities and differences between the semisimple and non-semisimple settings. As a consequence, we get a skein-theoretic description of factorization homology for a large class of balanced braided categories in Pr, precisely all those which are expected to induce an oriented categorified 3-TQFT.
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