Stability of optimal spherical codes

Published 16 Nov 2017 in cs.IT and math.IT | (1711.06012v2)

Abstract: For many extremal configurations of points on a sphere, the linear programming approach can be used to show their optimality. In this paper we establish the general framework for showing stability of such configurations and use this framework to prove the stability of the two spherical codes formed by minimal vectors of the lattice $E_8$ and of the Leech lattice.

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