On non-Abelian T-duality for non-semisimple groups

Moonju Hong, Yoonsoo Kim, Eoin Ó Colgáin

We revisit non-Abelian T-duality for non-semisimple groups, where it is well-known that a mixed gravitational-gauge anomaly leads to $\sigma$-models that are scale, but not Weyl-invaria…