Nonexistence of global weak solutions to semilinear wave equations involving time-dependent structural damping terms

Mokhtar Kirane, Ahmad Fino, Sebti Kerbal +1

We consider a semilinear wave equation involving a time-dependent structural damping term of the form $\frac{1}{{(1+t)}^{\beta }}(-\Delta {)}^{\sigma /2}{u}_t$. Our results show the influen…