A Kronecker-structured finite difference discretization paired with a split exponential Euler stepper computes stiff diffusion-reaction dynamics on curvilinear domains via tensor-matrix products, demonstrated on Turing patterns up to 10^6 degrees of freedom.
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A tensor-based exponential integrator for diffusion--reaction equations in common curvilinear coordinates
A Kronecker-structured finite difference discretization paired with a split exponential Euler stepper computes stiff diffusion-reaction dynamics on curvilinear domains via tensor-matrix products, demonstrated on Turing patterns up to 10^6 degrees of freedom.