The spectrum of IIB supergravity on AdS5 × S 5 / $ {{\mathbb{Z}}_3} $ and a 1/N 2 test of AdS/CFT

The spectrum of IIB supergravity on AdS5 × S 5 / $ {{\mathbb{Z}}_3} $ and a 1/N 2 test of AdS/CFT