Subharmonic function: Difference between revisions

Revision as of 20:57, 6 March 2013

Revision as of 14:57, 28 January 2014

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Note that by the above, the function which is identically −∞ is subharmonic, but some authors exclude this function by definition.

A function $u$ is called ''superharmonic'' if $-u$ is subharmonic.

==Properties==