On a bound of Hoeffding in the complex case
  It was proved by Hoeffding in 1963 that a real random variable X confined to [a, b] satisfies E e^(X--E X) $\le$ e^((b--a)^2/8). We generalise this to complex random variables. 
Mikhail Isaev (MIPT), Brendan D. Mckay
math.PR