A new look on large deviations and concentration inequalities for the Ewens-Pitman model

Bernard Bercu, Stefano Favaro

The Ewens-Pitman model is a probability distribution for random partitions of the set $[n]=\{1,\dots ,n\}$, parameterized by $\alpha \in [0,1)$ and $\theta >-\alpha$, with $\alpha =0$ corresponding to the…