In spite of their simple description in terms of rotations or symplectic transformations in phase space, quadratic Hamiltonians such as those modelling the most common Gaussian operations on bosonic ...

The Annals of Probability, Vol. 33, No. 1 (Jan., 2005), pp. 177-193 (17 pages) We characterize the convergence in distribution to a standard normal law for a sequence of multiple stochastic integrals ...

Proceedings of the Royal Society of London. Series A, Mathematical and Physical Sciences, Vol. 258, No. 1294 (Oct. 25, 1960), pp. 402-411 (10 pages) Some years ago the author proved that explicit ...