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The spherical phylon group and invariants of the Laplace transform

A. L. Carey, M. G. Eastwood, P. E. Jupp, M. K. Murray

dg-gaarXiv:dg-ga/9611011

Abstract

We introduce the spherical phylon group, a subgroup of the group of all formal diffeomorphisms of d that fix the origin. The invariant theory of the spherical phylon group is used to understand the invariants of the Laplace transform.

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