Multilevel Methods for Elliptic Multiscale Problems

The talk will start with an elementary introduction to multigrid methods  in terms of successive minimization in "almost" orthogonal  search directions or, more general, on "almost" orthogonal subspaces. In the second part, we will discuss applications to elliptic problems with oscillating coefficients and first results on fault networks with linearized transmission conditions. The talks ends with a warning.

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