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Invariance Principles for Energy Functionals on Spheres
Authors:Johann S Brauchart
Institution:(1) Technische Universität Graz, Austria
Abstract:We study a generalised version of the g-energy functionals defined by Damelin and Grabner. We comment on invariance principles for finite energies and use these principles to obtain expansions of these latter energies in terms of cap discrepancies for a subclass of g. This allows for discrepancy estimates knowing bounds on the energy and vice versa. We are, in particular, able to carefully analyse the case when g gives a Riesz kernel gRs when 0<sled or a logarithmic kernel gL0 in the limits when deltararr0+.The author is supported by the START project Y96-MAT of the Austrian Science Fund.
Keywords:2000 Mathematics Subject Classification: 41A30  41A63
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