Abstract
We consider extremal problems for continuous functions that are nonpositive on a closed interval and can be represented as series in Gegenbauer polynomials with nonnegative coefficients. These problems arise from the Delsarte method of finding an upper bound for the kissing number in a Euclidean space. We develop a general method for solving such problems. Using this method, we reproduce results of previous authors and find a solution in the following 11 new dimensions: 147, 157, 158, 159, 160, 162, 163, 164, 165, 167, and 173. The arising extremal polynomials are of a new type.
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Original Russian Text © N.A. Kuklin, 2012, published in Trudy Instituta Matematiki i Mekhaniki UrO RAN, 2012, Vol. 18, No. 4.
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Kuklin, N.A. Delsarte method in the problem on kissing numbers in high-dimensional spaces. Proc. Steklov Inst. Math. 284 (Suppl 1), 108–123 (2014). https://doi.org/10.1134/S0081543814020102
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DOI: https://doi.org/10.1134/S0081543814020102