This is a preview. Log in through your library . Abstract Boundary value problems originated by the diffraction of an electromagnetic (or acoustic) wave by a rectangular wedge with faces of possible ...

This is a preview. Log in through your library . Abstract Periodic travelling waves are a fundamental solution form in oscillatory reaction-diffusion equations. Here I discuss the generation of ...

Elliptic operators play a central role in the analysis of partial differential equations, underpinning a wide range of phenomena from quantum mechanics to heat conduction. In particular, the study of ...