Zeroes of infinitely differentiable characteristic functions
Herman Rubin, Thomas M. Sellke
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Abstract
We characterize the sets where an n-dimensional, infinitely differentiable characteristic function can have its real part zero, positive, and negative, and where it can have its imaginary part zero, positive, and negative.
Full-text: Open access
Permanent link to this document: http://projecteuclid.org/euclid.lnms/1196285388
Mathematical Reviews (MathSciNet):
MR2126895
Digital Object Identifier: doi:10.1214/lnms/1196285388
Institute of Mathematical Statistics Lecture Notes - Monograph Series