3 papers
math.SG2005
Covariant Poisson structures on complex Grassmannians
N. Ciccoli, A. J. -L. Sheu
The purpose of this paper is to study covariant Poisson structures on the complex Grassmannian obtained as quotients by coisotropic subgroups of the standard Poisson--Lie SU(n). Pr…
math.QA2004
A quantum duality principle for coisotropic subgroups and Poisson quotients
Nicola Ciccoli, Fabio Gavarini
We develop a quantum duality principle for coisotropic subgroups of a (formal) Poisson group and its dual. Namely, starting from a quantum coisotropic subgroup (for a quantization…
math.CA1998
q-Laguerre polynomials and big q-Bessel functions and their orthogonality relations
Nicola Ciccoli, Erik Koelink, Tom H. Koornwinder
The q-Laguerre polynomials correspond to an indetermined moment problem. For explicit discrete non-N-extremal measures corresponding to Ramanujan's -summation we complemen…