An upper semicontinuous function whose restrictions to all complex lines are subharmonic (where defined). These functions were introduced by P. Lelong and Oka in the early 1940s. Examples of such a function are the logarithms of moduli of holomorphic functions.
Plurisubharmonic Function
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References
Range, R. M. and Anderson, R. W. "Hans-Joachim Bremmermann, 1926-1996." Not. Amer. Math. Soc. 43, 972-976, 1996.Referenced on Wolfram|Alpha
Plurisubharmonic FunctionCite this as:
Weisstein, Eric W. "Plurisubharmonic Function." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/PlurisubharmonicFunction.html