Renormalization and blow up for charge one equivariant critical wave maps |
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Authors: | J Krieger W Schlag D Tataru |
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Institution: | (1) Dept. of Mathematics, Science Center, Harvard University, Cambridge, MA 1 Oxford Street, 02138, USA;(2) Department of Mathematics, The University of Chicago, Chicago, IL 5734 South University Avenue, 60637, USA;(3) Department of Mathematics, The University of California at Berkeley, Berkeley, CA Evans Hall, 94720, USA |
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Abstract: | We prove the existence of equivariant finite time blow-up solutions for the wave map problem from ℝ2+1→S
2 of the form where u is the polar angle on the sphere, is the ground state harmonic map, λ(t)=t
-1-ν, and is a radiative error with local energy going to zero as t→0. The number can be prescribed arbitrarily. This is accomplished by first “renormalizing” the blow-up profile, followed by a perturbative
analysis.
Mathematics Subject Classification (1991) 35L05, 35Q75, 35P25 |
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Keywords: | |
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