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The Witt group of non-degenerate braided fusion categories
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The Witt group of non-degenerate braided fusion categories
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We give a characterization of Drinfeld centers of fusion categories as non-degenerate braided fusion categories containing a Lagrangian algebra. Further we study the quotient of the monoid of non-degenerate braided fusion categories modulo the submonoid of the Drinfeld centers and show that its formal properties are similar to those of the classical Witt group.
Forward citations
Cited by 16 Pith papers
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