Excerpt from An Additive Variant of the Schwarz Alternating Method for the Case of Many Subregions The subspaces, V, which are related to interior substructures are defined as Vh fl h6(q) The space H3 is, as usual, the subspace of H1 functions with zero trace. It is well known that this space can be extended continuously by zero. After extending h3(q: by zero we can regard V, as a subspace of V We construct subspaces related to the boundary substructures similarly. The boundary conditions of the original problem are inherited at any node of Q: which falls on 6q. A nodal value is thus constrained to be zero if the node belongs to pd, while it is free at any node on i'n At all nodes of am which are in the interior of Q we impose zero Dirichlet conditions. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.