The $\nu_e \to \nu_\tau$ channel as a tool to solve ambiguities
  In this talk I show how considering at the same time the $\nu_e \to \nu_\tau$ and the $\nu_e \to \nu_\mu$ oscillation channels the errors in the leptonic CP-violating phase $\delta$ measurement could significantly be reduced. 
A. Donini, D. Meloni and P. Migliozzi