Continuous and finite-dimensional modules
Let B and D be two rings. A (B, D)-bimodule is an Abelian group H equipped with a left B-module structure and a right D-module structure such that (bh)d = b(hd) for any b ∈ B, h ∈ H, and d ∈ D. The symbol B H D is used to denote this situation.
KeywordsDirect Summand Injective Module Direct Decomposition Indecomposable Module Central Idempotent
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