23 citations · 49 across the 12 of their papers we have counts for
16 papers · 1 filter
Blow-up and lifespan estimate for wave equations with critical damping term of space-dependent type related to Glassey conjecture
Ahmad Z. Fino, Mohamed Ali Hamza
The main purpose of the present paper is to study the blow-up problem of the wave equation with space-dependent damping in the \textit{scale-invariant case} and time derivative non…
Improvement on the blow-up for a weakly coupled wave equations with scale-invariant damping and mass and time derivative nonlinearity
Makram Hamouda, Mohamed Ali Hamza
An improvement of [18] on the blow-up region and the lifespan estimate of a weakly coupled system of wave equations with damping and mass in the scale-invariant case and with time-…
Blow-up of solutions to semilinear wave equations with a time-dependent strong damping
Ahmad Z. Fino, Mohamed Hamza
The paper investigates a class of a semilinear wave equation with time-dependent damping term () and a nonlinearity . We will show the influence of…
Refined estimates of the blow-up profile for a strongly perturbed semilinear wave equations in one space dimension
M. A. Hamza, Omar Saidi
We consider in this paper a class of strongly perturbed semilinear wave equations with a non-characteristic point in one space dimension, for general initial data. Working in the f…
Nonexistence result for the generalized Tricomi equation with the scale-invariant damping, mass term and time derivative nonlinearity
Moahmed Fahmi Ben Hassen, Makram Hamouda, Mohamed Ali Hamza +1
In this article, we consider the damped wave equation in the \textit{scale-invariant case} with time-dependent speed of propagation, mass term and time derivative nonlinearity. Mor…
A note on the nonexistence of global solutions to the semilinear wave equation with nonlinearity of derivative-type in the generalized Einstein-de Sitter spacetime
Makram Hamouda, Mohamed Ali Hamza, Alessandro Palmieri
In this paper, we establish blow-up results for the semilinear wave equation in generalized Einstein-de Sitter spacetime with nonlinearity of derivative type. Our approach is based…