FPM 2007, vol. 13, no. 5, pp. 3-18

FUNDAMENTALNAYA I PRIKLADNAYA MATEMATIKA

(FUNDAMENTAL AND APPLIED MATHEMATICS)

2007, VOLUME 13, NUMBER 5, PAGES 3-18

Isomorphisms of graded endomorphism rings of graded modules close to free ones

I. N. Balaba
A. V. Mikhalev

Abstract

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We obtain criteria that answer the question when an isomorphism of graded endomorphism rings of strong gr-generators is induced by a gr-generator, graded Morita equivalence, or semi-linear isomorphism.

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