Mystery of point charges

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We discuss the problem of finding an upper bound for the number of equilibrium points of a potential of several fixed point charges in R^n. This question goes back to J.C.Maxwell and M.Morse. Using fewnomial theory we show that for a given number of charges there exists an upper bound independent on the dimension, and show it to be 12 for three charges. We conjecture the exact upper bound for a given configuration of nonnegative charges in terms of its Voronoi diagram, and prove it asymptotically.
Latex, 29 pages, 6 figures

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Mathematical Physics, Primary 31B05; Secondary 58E05

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http://salesiana.dossiersoluciones.com/handle/123456789/57811

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math-ph/0409009
 http://arxiv.org/abs/math-ph/0409009

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arXiv