Monoidal category

Layer 0 — Mathematicsin the category-theory subtree

Category with ⊗ bifunctor + unit I + associator/unitor coherence. String diagrams. Braided, symmetric, ribbon variants. Basis of TQFT, quantum groups.

Related concepts

Functor F: C → D
Enriched category
Day convolution
Atiyah–Segal topological quantum field theory
Conformal bootstrap
SU(2) spin-network evaluation (Penrose–Reshetikhin–Turaev, LQG)

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