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Duality, localization and completion

✍ Scribed by J.L. Bueso; P. Jara; A. Verschoren


Publisher
Elsevier Science
Year
1994
Tongue
English
Weight
844 KB
Volume
94
Category
Article
ISSN
0022-4049

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If A is a fixed abelian group with endomorphism ring E, then for any group G, Ž . Ž . let G\* s Hom G, A and for any E-module M, let M\* s Hom M, A . The E evaluation map : G ª G\*\* is defined in the usual way and G is A-reflexive if G is an isomorphism. This is strongly related to the question of