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The Gelfand transform of homogeneous distributions on Heisenberg type groups
Published online by Cambridge University Press: 09 April 2009
Abstract
A distribution on a Heisenberg type group of homogeneous dimension Q is a biradial kernel of type α if it coincides with a biradial function, homogeneous of degree α — Q, and smooth away from the identity. We prove that a distribution is a biradial kernel of type α, 0 < α < Q, if and only if its Gelfand transform, defined on the Heisenberg fan, extends to a smooth even function on the upper half plane, homogeneous of degree −α/2. A similar result holds for radial kernels on the Heisenberg group.
MSC classification
- Type
- Research Article
- Information
- Journal of the Australian Mathematical Society , Volume 81 , Issue 3 , December 2006 , pp. 297 - 319
- Copyright
- Copyright © Australian Mathematical Society 2006