Monoidal categories graded by crossed ...
Document type :
Compte-rendu et recension critique d'ouvrage
Title :
Monoidal categories graded by crossed modules and 3-dimensional HQFTs
Author(s) :
Sozer, Kursat [Auteur]
Département de Mathématiques - EPFL
Virelizier, Alexis [Auteur]
Laboratoire Paul Painlevé - UMR 8524 [LPP]
Département de Mathématiques - EPFL
Virelizier, Alexis [Auteur]
Laboratoire Paul Painlevé - UMR 8524 [LPP]
Journal title :
Adv.Math.
Pages :
109155
Publication date :
2023-09-01
English keyword(s) :
category
homotopy
field theory
graded
homotopy
field theory
graded
HAL domain(s) :
Mathématiques [math]/Topologie géométrique [math.GT]
English abstract : [en]
Given a crossed module $\chi$, we introduce $\chi$-graded monoidal categories and $\chi$-fusion categories. We use spherical $\chi$-fusion categories to construct (via the state sum method) 3-dimensional Homotopy Quantum ...
Show more >Given a crossed module $\chi$, we introduce $\chi$-graded monoidal categories and $\chi$-fusion categories. We use spherical $\chi$-fusion categories to construct (via the state sum method) 3-dimensional Homotopy Quantum Field Theories with target the classifying space $B\chi$ of the crossed module $\chi$ (which is a homotopy 2-type).Show less >
Show more >Given a crossed module $\chi$, we introduce $\chi$-graded monoidal categories and $\chi$-fusion categories. We use spherical $\chi$-fusion categories to construct (via the state sum method) 3-dimensional Homotopy Quantum Field Theories with target the classifying space $B\chi$ of the crossed module $\chi$ (which is a homotopy 2-type).Show less >
Language :
Anglais
Popular science :
Non
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