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Webs of domain walls are constructed as 1/4 BPS states in d=4, N=2supersymmetric U(Nc) gauge theories with Nf hypermultiplets in the fundamentalrepresentation. Web of walls can contain any numbers of external legs and loopslike (p,q) string/5-brane webs. We find the moduli space M of a 1/4 BPSequation for wall webs to be the complex Grassmann manifold. When moduli spacesof 1/2 BPS states (parallel walls) and the vacua are removed from M, thenon-compact moduli space of genuine 1/4 BPS wall webs is obtained. All thesolutions are obtained explicitly and exactly in the strong gauge couplinglimit. In the case of Abelian gauge theory, we work out the correspondencebetween configurations of wall web and the moduli space CP^{Nf-1}.Comment: 39 pages, 19 figures, a minor change, a reference adde

Webs of domain walls in supersymmetric gauge theories