Abstract
The density of smooth functions in weighted Sobolev spaces that are anisotropic with respect to the order of the derivatives and the weight functions is established.
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Translated from Matematicheskie Zametki, 2021, Vol. 109, pp. 681-690 https://doi.org/10.4213/mzm12988.
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Golovko, A.Y. Density of Smooth Functions in Anisotropic Weighted Sobolev Spaces with Weights that are Locally Bounded and Locally Bounded Away from Zero. Math Notes 109, 694–701 (2021). https://doi.org/10.1134/S0001434621050035
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DOI: https://doi.org/10.1134/S0001434621050035