14 citations · 33 across the 15 of their papers we have counts for
4 papers · 1 filter
On a symbolic representation of non-central Wishart random matrices with applications
Elvira Di Nardo
By using a symbolic method, known in the literature as the classical umbral calculus, the trace of a non-central Wishart random matrix is represented as the convolution of the trac…
Multivariate time-space harmonic polynomials: a symbolic approach
E. Di Nardo, I. Oliva
By means of a symbolic method, in this paper we introduce a new family of multivariate polynomials such that multivariate Lévy processes can be dealt with as they were martingales.…
On some applications of a symbolic representation of non-centered Lévy processes
E. Di Nardo, I. Oliva
By using a symbolic technique known in the literature as the classical umbral calculus, we characterize two classes of polynomials related to Lévy processes: the Kailath-Segall and…
Natural statistics for spectral samples
E. Di Nardo, P. McCullagh, D. Senato
Spectral sampling is associated with the group of unitary transformations acting on matrices in much the same way that simple random sampling is associated with the symmetric group…