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Kent State University/Johann Radon Institute for Computational and Applied Mathematics of the Austrian Academy of Sciences (RICAM)


We use a barrier-function technique to prove the parameter-uniform convergence for singularly perturbed convection-diffusion problems discretized on a Bakhvalov-type mesh. This is the first proof of this kind in the research literature, the barrier-function approach having only been applied so far to Shishkin-type meshes.


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