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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
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Abstract

We introduce the spherical phylon group, a subgroup of the group of all formal diffeomorphisms of $\R^d$ 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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A. L. Carey, M. G. Eastwood, P. E. Jupp, M. K. Murray. 1996-11-26. The spherical phylon group and invariants of the Laplace transform. https://arxiv.org/abs/dg-ga/9611011

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