Abstract
A sufficient condition for the existence of global solutions is established, and the rate of decay of solutions to the Cauchy problem for a semilinear pseudohyperbolic equation with structural damping is found. The nonexistence of global solutions is also investigated. An analogue of the critical Fujita exponent is obtained for the considered problem.
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Original Russian Text © A.B. Aliev, A.F. Pashayev, 2015, published in Doklady Akademii Nauk, 2015, Vol. 465, No. 1, pp. 7–10.
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Aliev, A.B., Pashayev, A.F. Cauchy problem for a class of fourth-order semilinear pseudohyperbolic equations with structural damping. Dokl. Math. 92, 651–654 (2015). https://doi.org/10.1134/S1064562415060010
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DOI: https://doi.org/10.1134/S1064562415060010