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math/0609499

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Title: Convergence and multiplicities for the Lempert function
Authors: Pascal J. Thomas, Nguyen Van Trao
Categories: math.CV Complex Variables
Comments: 24 pages; many typos corrected thanks to the referee of Arkiv for Matematik
MSC: 32U35

Abstract: Given a domain $\Omega \subset \mathbb C$, the Lempert function is a functional on the space $Hol (\D,\Omega)$ of analytic disks with values in $\Omega$, depending on a set of poles in $\Omega$. We generalize its definition to the case where poles have multiplicities given by local indicators (in the sense of Rashkovskii's work) to obtain a function which still dominates the corresponding Green function, behaves relatively well under limits, and is monotonic with respect to the indicators. In particular, this is an improvement over the previous generalization used by the same authors to find an example of a set of poles in the bidisk so that the (usual) Green and Lempert functions differ.

Owner: Pascal J. Thomas
Version 1: Mon, 18 Sep 2006 13:47:31 GMT
Version 2: Fri, 22 Sep 2006 16:01:22 GMT
Version 3: Wed, 24 Jan 2007 13:58:00 GMT
Version 4: Tue, 25 Mar 2008 13:56:53 GMT

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