The necessary density condition in C known for sampling and interpolation i
n the L-P space of entire functions with a subharmonic weight is extended t
o the case of a 2-homogeneous, plurisubharmonic weight function in C. The m
ethod is by estimating the eigenvalues of a certain Toeplitz concentration
operator, using asymptotic estimates for the Bergman kernel of independent
interest. (C) 2001 Academic Press.