Abstract
Point sets {A1,...,An} in \(\mathbb{R}^d\), d ≥ 2, are considered that have barycenter at the origin and, for a certain collection of even exponents 2,4,...,2p, possess “power invariants” Ik in the following sense. Let Sd-1(R) be the sphere with center at the origin and radius R and let M ∈ Sd-1(R). Then the \(I_k(R)=\sum_{i=1}^n |MA_i|^2k,k=1,\ldots,p\), do not depend on the position of M on Sd-1(R). Bibliography: 14 titles.
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Babenko, Y.I., Zalgaller, V.A. Power Invariants of Certain Point Sets. Journal of Mathematical Sciences 110, 2755–2768 (2002). https://doi.org/10.1023/A:1015333925972
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DOI: https://doi.org/10.1023/A:1015333925972