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Appendix C.1. The T transform

Start with the identity
equation8977
for the gamma function. Make the change of variables tex2html_wrap_inline17345. With tex2html_wrap_inline17347, independent of t, we find
equation8979
Define the operator tex2html_wrap_inline16851 by
equation8981
and define the transform T by tex2html_wrap_inline17355. As defined, the transform T is closely related to the Mellin transform [54] (it is an inverse-Mellin transform) and this similarity may be used to establish the conditions for the existence of the transform and its inverse. Of interest in this work is the following: For tex2html_wrap_inline12887 independent of t, the functions tex2html_wrap_inline17363 and tex2html_wrap_inline17365 form a transform pair. That is,
equation8983
When using the T transform, the order of evaluation of the integral over t and other integrals will need to be interchanged. See appendix 9.7.1 for the justification of the commutation of the integrals.



David Wolf
Tue Mar 25 08:11:49 CST 1997