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Projectively torsion-free modules

Published online by Cambridge University Press:  09 April 2009

M. W. Evans
Affiliation:
84 Glencairn Ave East Brighton, 3187, Australia
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A right R-module AR will be said to be right projectively torsion-free (AR is PTF) if for every a ∈ A, there exist subsets {a1, a2, …, an,} ⊆ A and {x1, x2, …, xn} ⊆ R such that a = Σni = 1 aixi and for all xR, if ax = 0 then xix = 0 for all 1 ≦ in.

Type
Research Article
Copyright
Copyright © Australian Mathematical Society 1975

References

Quentel, Y. (1971), ‘Sur Ia compactié du spectre minimal d'un anneau’, Bull. Soc. Math. de France, 99, 265272.CrossRefGoogle Scholar
Stenström, B. (1971), Rings and modules of quotients (Springer Verlag lecture notes 237 (1971)).CrossRefGoogle Scholar
Utumi, Y. (1960), ‘On continuous regular rings and semi-simple self-injective rings’, Canad. J. Math. 12, 597605.CrossRefGoogle Scholar
Utumi, Y. (1961), ‘On continous regulat rings’, Canad. Math. Bull. 4, 6369.CrossRefGoogle Scholar
Utumi, Y. (1968), ‘On rings of which any one sided quotient ring is two sided’, Proc. Amer. Math. Soc. 14, 141147.CrossRefGoogle Scholar