Spatially discrete wave maps on (1+2)-dimensional space-time

Stefan Müller and Michael Struwe

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Submission date: 27. Aug. 1998
Pages: 25
published in: Topological methods in nonlinear analysis, 11 (1998) 2, p. 295-320 
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Abstract:
A sequence of wave maps from to a compact Riemannian manifold N with uniformly bounded energy as weakly accumulates at a weak wave map . The result gives a new proof for the existence of global weak solutions to the Cauchy problem for wave maps on (1 + 2)-dimensional Minkowski space.