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math.NA2026
Analysis of split exponential integrators for semilinear problems with noncommuting operators
Luca Battestini, Marco Caliari, Fabio Cassini
Splitting the exponential and exponential-like functions can significantly reduce the overall computational cost of exponential integrators, providing a strong motivation for their…
math.NA2026
A tensor-based exponential integrator for diffusion--reaction equations in common curvilinear coordinates
Marco Caliari, Fabio Cassini
In this paper, we study a tensor-based method for the numerical solution of a class of diffusion--reaction equations defined on spatial domains that admit common curvilinear coordi…