Abstract
In this paper, we deal with some global existence results for the large data smooth solutions of the Cauchy Problem associated with the semilinear weakly hyperbolic equations
Here u=u(x,t), \(x\in \mathbb{R}^n\) and for λ≥ 0, a λ ≥ 0 is a continuous function that behaves as |t–t0|λ close to some t0>0. We conjecture the existence of a critical exponent p c (λ1,λ2,n) such that for p≤ p c (λ1,λ2,n) a global existence theorem holds. For suitable λ1,λ2,n, we recall some known results and add new ones.
Keywords: Critical exponents for semilinear equations, Weak hyperbolicity
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Lucente, S. On a class of semilinear weakly hyperbolic equations. Ann. Univ. Ferrara 52, 317–335 (2006). https://doi.org/10.1007/s11565-006-0024-3
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DOI: https://doi.org/10.1007/s11565-006-0024-3