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most citedSiciak-Zahariuta extremal functions, analytic discs and polynomial hulls

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math.CV2005

The Siciak-Zahariuta extremal function as the envelope of disc functionals

Finnur Larusson, Ragnar Sigurdsson

We establish disc formulas for the Siciak-Zahariuta extremal function of an arbitrary open subset of complex affine space, generalizing Lempert's formula for the convex case. This…