Examples of categorification
classification
q-alg
math.QA
keywords
examplestqftalgebrabitensorcasescategoriescategorificationconjectural
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We construct tensor and bitensor categories with given Grothedieck rig (fusion algebra) in simple cases. The results provide examples on which to test the conjectural construction of 4-D TQFT's proposed by Crane and Frenkel and shed light on several other constructions of TQFT's.
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