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Bimodule problems and cell complexes. (English) Zbl 1116.16307
Summary: We investigate the geometrical properties of the universal covering $$\widehat A$$ of a bimodule problem $$A$$.
##### MSC:
 16G60 Representation type (finite, tame, wild, etc.) of associative algebras 15A63 Quadratic and bilinear forms, inner products 57M20 Two-dimensional complexes (manifolds) (MSC2010)