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Journal of operator theory
We give a version of the Riesz-Haviland theorem for truncated moments problems, characterizing the existence of the representing measures that are absolutely continuous with respect to the Lebesgue measure. The existence of such representing densities describes the dense interior of the convex cone of all data having nonnegative Borel representing measures. A natural regularity assumption on the support is required.doi:10.7900/jot.2011nov06.1952 fatcat:2tzsusw66jfffk6cn5nn5h36pu