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On ℵα-Noetherian Modules

Published online by Cambridge University Press:  20 November 2018

Aron Simis*
Affiliation:
Queen's University, Kingston, Ontario
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In this note we define two concepts which can be thought of as a generalization of noetherian concepts.

The main result is as follows (Corollary A): If R is a ring whose countably generated (left) ideals are (left) principal, then R is a (left) principal ideal ring.

This result if obtained, more generally, for any (left) R-module and any regular cardinal ℵα (Corollary 1); a cardinal ℵα is regular whenever W(ℵα) = {ordinals γ | card γ < ℵα} has no cofinal subset of cardinality less than ℵα.

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Type
Research Article
Copyright
Copyright © Canadian Mathematical Society 1970