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Wiley, Communications on Pure and Applied Mathematics, 3(57), p. 357-383, 2003

DOI: 10.1002/cpa.3043

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On the continuity of the solution operator to the wave map system

Journal article published in 2002 by Piero D'Ancona, Vladimir Georgiev ORCID
This paper is available in a repository.
This paper is available in a repository.

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Abstract

We investigate the continuity properties of the solution operator to the wave map system from the flat Minkowski space to a general nonflat target of arbitrary dimension, and we prove by an explicit class of counterexamples that this map is not uniformly continuous in the critical norms on any neighbourhood of zero.