Abstract
It is a classical result that a composition of a convex, increasing function and of a subharmonic function is subharmonic. We give related results for a composition of a convex function of several variables and of several subharmonic functions, thus imporving some recent results in this area.
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Riihentaus, J. Convex functions and subharmonic functions. Potential Anal 5, 301–309 (1996). https://doi.org/10.1007/BF00282365
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DOI: https://doi.org/10.1007/BF00282365