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Speaker:
Orit Davidovich
Zugehörigkeit:
MPI
Datum:
Mit, 2012-03-14 14:00 - 15:30
Parent event:
Fusion categories seminar Ocneanu Rigidity for fusion and modular categories is
roughly the statement that such categorical structures cannot be
infinitesimally deformed, hence rigidity. As a consequence, only
finitely many fusion or modular categories share the same Grothendieck
ring. We follow A. Kitaev in a proof applicable to the unitary case,
in the course of which we introduce the notion of Davydov-Yetter
cohomology of a fusion category.
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