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Results tagged with modular-tensor-categories
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user 41706
4
votes
2
answers
194
views
Bialgebras with rigid representation theory
Repost from math.SE since no answer after two months, but feel free to close if not appropriate:
Everything is finite-dimensional over a field $k$.
Let $B$ be a bialgebra with $B\text{-mod}$ its cate …
3
votes
0
answers
77
views
Does a factorization of a modular fusion category imply some "factorization" of TFTs?
Mueger showed in this paper that if $C$ is a modular fusion category and $D$ is a modular fusion subcategory of $C$, then $C$ is equivalent to $D \boxtimes M_C(D)$ as ribbon categories, where $M_C(D)$ …
- 338
4
votes
0
answers
106
views
Categorical interpretation of the comodulus of a Hopf algebra?
Let $H$ be a finite-dimensional Hopf algebra.
Then it has a right cointegral $\lambda \in H^*$ and a left integral $c \in H$, characterized uniquely (up to scalar) by
\begin{align}
(\lambda \otime …
- 338