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BLOW-UP OF THE NONEQUIVARIANT ($2+1$)-DIMENSIONAL WAVE MAP
Part of
JÖRG FRAUENDIENER, RALF PETER
Journal:

The ANZIAM Journal / Volume 55 / Issue 2 / October 2013

Published online by Cambridge University Press:

18 March 2014, pp. 151-161
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It has been known for a long time that the equivariant $2+1$ wave map into the $2$-sphere blows up if the initial data are chosen appropriately. Here, we present numerical evidence for the stability of the blow-up phenomenon under explicit violations of equivariance.