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arXiv 1112.3602math.FA
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关于截断矩量问题的变分方法

On a variational approach to truncated problems of moments

Calin-Grigore Ambrozie

摘要:

利用凹拉格朗日函数极大值的存在性,刻画了无界支撑上多实变量截断矩问题的$L^1$解的存在性.需要对支撑进行自然规律性假设。

英文摘要:

We characterize the existence of the $L^1$ solutions of the truncated moments problem in several real variables on unbounded supports by the existence of the maximum of certain concave Lagrangian functions. A natural regularity assumption on the support is required.

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