Modular invariance (CFT partition function)

Layer 1 — Physicsin the conformal-field-theory subtree

Cardy 1986 modular-invariant partition function Z(tau) = Tr q^{L_0 - c/24} qbar^{Lbar_0 - cbar/24}; classifies minimal models + WZW diagonal vs non-diagonal modular invariants.

Related concepts

Modular form

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