The wave equation is a second-order linear PDE that describes the propagation of a variety of waves, such as sound waves, light waves or water waves. It arises in different fields such as acoustics, ...

Radio wave propagation underpins numerous applications in communication, surveillance and remote sensing, and understanding its nuances is essential for the advancement of modern wireless technologies ...

Stability theory occupies a central role in the analysis of differential equations and wave equations, serving as the cornerstone for understanding the long‐term behaviour of dynamical systems. At its ...