Abstract
A sufficient condition is given so that in a ballB(x, R), there are no functions whose average over all Euclidean motions of an open bounded set Ω which are contained inB(x, R) vanish, except for the zero function.
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La recherche de C. A. Berenstein a été effectuée dans le cadre des constrats NSF-DMS 8703072 et ARO-DAA L 0386K0115. M. Berenstein remercie ces organismes pour leur appui.
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Berenstein, C.A., Gay, R. Le probleme de Pompeiu local. J. Anal. Math. 52, 133–166 (1981). https://doi.org/10.1007/BF02820476
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DOI: https://doi.org/10.1007/BF02820476