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On reflexivity of direct sums
Journal article   Open access   Peer reviewed

On reflexivity of direct sums

V. P Camillo and K. R Fuller
Proceedings of the American Mathematical Society, Vol.128(10), pp.2855-2862
2000
DOI: 10.1090/S0002-9939-00-05331-4
url
https://doi.org/10.1090/S0002-9939-00-05331-4View
Published (Version of record) Open Access

Abstract

Necessary and sufficient conditions are presented to insure that the direct sum of two reflexive representations of a finite dimensional algebra is reflexive, and it is shown that for each such algebra, there is an integer k such that the direct sum of k copies of each of its representations is reflexive. Given a ring Δ, our results are actually presented in the more general setting of Δ-representations of a ring R.

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