Generalizing Morita Duality: A Homologic
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Alberto Tonolo
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Article
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2000
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Elsevier Science
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English
β 131 KB
Let R and S be arbitrary associative rings. Given a bimodule W , we denote by R S Ε½ . 1 Ε½ . β¬ and β« the functors Hom y, W and Ext y, W , where ? s R or S. The ? ? ? ? functors β¬ and β¬ are right adjoint with the evaluation maps β¦ as unities. A R S module M is β¬-reflexive if β¦ is an isomorphism. In th