On the expectation of operator norms of random matrices
  We prove estimates for the expected value of operator norms of Gaussian random matrices with independent and mean-zero entries, acting as operators from $\ell^m_{p^*}$ to $\ell_q^n$, $1\leq p^* \leq 2 \leq q \leq \infty$. 
Olivier Gu\'edon and Aicke Hinrichs and Alexander E. Litvak and Joscha   Prochno
math.PR