Mathematics – Analysis of PDEs
Scientific paper
2009-09-16
Physica D240:1311-1324,2011
Mathematics
Analysis of PDEs
1 figure
Scientific paper
10.1016/j.physd.2011.04.014
We derive the universal collapse law of degree 1 equivariant wave maps
(solutions of the sigma-model) from the 2+1 Minkowski space-time,to the
2-sphere. To this end we introduce a nonlinear transformation from original
variables to blowup ones. Our formal derivations are confirmed by numerical
simulations.
Ovchinnikov Yu N.
Sigal Israel Michael
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