Article Contents
Article Contents

Approximations of degree zero in the Poisson problem

• We discuss a technique for the approximation of the Poisson problem under mixed boundary conditions in spaces of piece-wise constant functions. The method adopts ideas from the theory of $\Gamma$-convergence as a guideline. Some applications are considered and numerical evaluation of the convergence rate is discussed.
Mathematics Subject Classification: 65N12,65N30,46N40,74K15.

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