Chemotaxis models, which study the directed movement of cells in response to chemical gradients, have evolved into a rich field of interdisciplinary research. Among these, the Keller–Segel model ...

This article is devoted to the long-term dynamics of a parabolic-hyperbolic system arising in superconductivity. In the literature, the existence and uniqueness of the solution have been investigated ...

Consider a simply-connected Riemann surface represented by a Speiser graph. Nevanlinna asked if the type of the surface is determined by the mean excess of the graph: whether mean excess zero implies ...