The blow-up boundary for nonlinear wave equations
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- by Luis A. Caffarelli and Avner Friedman PDF
- Trans. Amer. Math. Soc. 297 (1986), 223-241 Request permission
Abstract:
Consider the Cauchy problem for a nonlinear wave equation $\square u = F(u)$ in $N$ space dimensions, $N \leqslant 3$, with $F$ superlinear and nonnegative. It is well known that, in general, the solution blows up in finite time. In this paper it is shown, under some assumptions on the Cauchy data, that the blow-up set is a space-like surface $t = \phi (x)$ with $\phi (x)$ continuously differentiable.References
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Additional Information
- © Copyright 1986 American Mathematical Society
- Journal: Trans. Amer. Math. Soc. 297 (1986), 223-241
- MSC: Primary 35L70
- DOI: https://doi.org/10.1090/S0002-9947-1986-0849476-3
- MathSciNet review: 849476