Integral representation of even positive-definite functions of one variable
Abstract
We obtain an integral representation of even positive-definite functions of one variable for which the kernel $[k_1(x + y) + k_2 (x − y)]$ is positive definite.
English version (Springer): Ukrainian Mathematical Journal 62 (2010), no. 2, pp 320-324.
Citation Example: Lopotko O. V. Integral representation of even positive-definite functions of one variable // Ukr. Mat. Zh. - 2010. - 62, № 2. - pp. 281 – 284.
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