Stanislav I. Pohozaev & Alberto Tesei
Abstract:
We prove instantaneous blow-up of nonnegative solutions
for a class of semilinear hyperbolic inequalities with first order
terms and singular coefficients. The present approach relies on a suitable
choice of the functions used to test the differential inequalities.
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Alberto Tesei
Dipartimento di Matematica "G. Castelnuovo",
Universit\`a di Roma ``La Sapienza'', P.le A. Moro 5,
I-00185 Roma, Italia
e-mail: tesei@mat.uniroma1.it