Definition and preliminary discussion of subharmonic functions

  • Tibor Radó
Part of the Ergebnisse der Mathematik und Ihrer Grenƶgebiete book series (MATHE1, volume 2)

Abstract

Let u (x, y) be a function in a domain G (connected open set), such that -∞ ≦ u < +∞ in G. That is, -∞ is an admissible value of u , while +∞ is not. Such a function is subharmonic in G if it satisfies the following conditions (Riesz [5], part I, p.333).

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© Springer-Verlag New York Heidelberg Berlin 1971

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  • Tibor Radó

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