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Invariant Laplacian-involving cubature formulas

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Abstract

For integrals in n dimensions over a hypercube, two ninth-degree cubature formulas that are invariant with respect to a hyperoctahedral group are constructed. The cubature sums of these formulas contain the Laplacian. Examples are given in which approximate values of the formulas’ parameters are presented in the form of tables.

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Correspondence to A. K. Ponomarenko.

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Original Russian Text © A.K. Ponomarenko, 2015, published in Zhurnal Vychislitel’noi Matematiki i Matematicheskoi Fiziki, 2015, Vol. 55, No. 2, pp. 179–184.

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Ponomarenko, A.K. Invariant Laplacian-involving cubature formulas. Comput. Math. and Math. Phys. 55, 169–174 (2015). https://doi.org/10.1134/S0965542515020153

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  • DOI: https://doi.org/10.1134/S0965542515020153

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