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Adding local short description: "Class of mathematical functions", overriding Wikidata description "function f such that, if f≤h on the boundary of a ball for any harmonic function h, then f≤h also inside the ball" (Shortdesc helper) |
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{{Short description|Class of mathematical functions}}
In [[mathematics]], '''subharmonic''' and '''superharmonic''' functions are important classes of [[function (mathematics)|functions]] used extensively in [[partial differential equations]], [[complex analysis]] and [[potential theory]].
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