Roussel, Marc R.; Wang, Jichang
(American Physical SocietyArts and ScienceDepartment of Chemistry and BiochemistryUniversity of Lethbridgehttps://doi.org/10.1103/PhysRevLett.87.188302, 2001)
In this Letter, we report the observation of a transition from self-replicating behavior to stationary spatial structures induced by concentration-dependent diffusivities in the excitable Gray-Scott medium. Notably, the ...