In this work, we consider a logarithmic Petrovsky equation with strong damping with initial and boundary conditions in a bounded domain. Under suitable conditions, we prove decay of solutions. Also, we establish the blow up at infinite time of solutions.
"Decay and blow up at infinite time of solutions for a logarithmic Petrovsky equation." Tbilisi Math. J. 13 (4) 113 - 127, December 2020. https://doi.org/10.32513/tbilisi/1608606053