A **pluripolar set** is a concept in several complex variables and complex geometry. It arises in the context of pluripotential theory, which studies functions of several complex variables and their properties. In simple terms, a set \( E \) in \( \mathbb{C}^n \) (the n-dimensional complex space) is called pluripolar if it is contained in the set where a plurisubharmonic function is non-positive.
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