2 papers
math.DS2025
Saddle-point structure of fixed points in a reaction-diffusion equation with discontinuous nonlinearity
José Valero
In this paper, we study the local behaviour of solutions near the fixed points of a reaction-diffusion equation with discontinuous nonlinearity. By employing an appropriate lineari…
math.ST2025
On a retarded stochastic system with discrete diffusion modeling life tables
Tomás Caraballo, Francisco Morillas, José Valero
This work proposes a method for modeling and forecasting mortality rates. It constitutes an improvement over previous studies by incorporating both the historical evolution of the…