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XI: 01, 1-20, LNM 581 (1977)
Fonctions harmoniques d'ordre infini et l'harmonicité réelle liée à l'opérateur laplacien itéré (Potential theory, Miscellanea)
This paper studies two classes of functions in (an open set of) $R^n$, $n\ge1$: 1) Harmonic functions of infinite order (see Avanissian and Fernique, Ann. Inst. Fourier, 18-2, 1968), which are $C^\infty$ functions satisfying a growth condition on their iterated laplacians, and are shown to be real analytic. 2) Infinitely differentiable functions (or distributions) similar to completely monotonic functions on the line, i.e., whose iterated laplacians are alternatively positive and negative (they were introduced by Lelong). Among the results is the fact that the second class is included in the first
Keywords: Harmonic functions, Real analytic functions, Completely monotonic functions
Nature: Original
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