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Commutative absolute subretracts

Published online by Cambridge University Press:  09 April 2009

E. Jespers
Affiliation:
Department of Mathematics and StatisticsMemorial University of NewfoundlandSt. John's, NewfoundlandCanadaA1C 5S7
M. M. Parmenter
Affiliation:
Department of Mathematics and StatisticsMemorial University of NewfoundlandSt. John's, NewfoundlandCanadaA1C 5S7
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Abstract

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Directly indecomposable absolute subretracts that are commutative Noetherian rings are described. This is an application of our main result characterizing unital directly indecomposable absolute subretracts which contain a maximal ideal with nonzero annihilator.

Type
Research Article
Copyright
Copyright © Australian Mathematical Society 1993

References

[1]Clifford, A. H. and Preston, G. B., The Algebraic Theory of Semigroups, vol. 1 (Amer. Math. Soc., Providence, RI, 1961).Google Scholar
[2]Davey, B. A. and Kov´cs, L. G., ‘Absolute subretracts and weak injectives in congruence modular varieties’, Trans. Amer. Math. Soc. 297 (1986), 181196.CrossRefGoogle Scholar
[3]Decruyenaere, F., Jespers, E. and Wauters, P., ‘On commutative principal ideal semigroup rings’, Semigroup Forum 43 (1991), 367377.CrossRefGoogle Scholar
[4]Gardner, B. J. and Stewart, P. N., ‘Injective and weakly injective rings’, Canad. Math. Bull 31(1988), 487494.CrossRefGoogle Scholar
[5]Jespers, E., ‘Special principal ideal rings and absolute subretracts’, Canad. Math. Bull. 34 (1991), 364367.CrossRefGoogle Scholar
[6]McKenzie, R. N., McNulty, G. F. and Taylor, W. F., Algebras, Lattices, Varieties, vol. 1 (Wadsworth, Belmont, CA, 1987).Google Scholar
[7]Procesi, C., Rings with polynomial identities (Marcel Dekker, New York, 1973).Google Scholar
[8]Raphael, R., ‘Injective rings’, Comm. Algebra 1(1974), 403414.CrossRefGoogle Scholar