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Split Subdirect Products and Piecewise Domains
Published online by Cambridge University Press: 20 November 2018
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Throughout this paper all rings will have unity and all modules will be unital.
If X ⊂ R, then r(X) (respectively, l(X)) denotes the right (left) annihilator of x.
An element d of R is called right (left) regular if r(d) = 0 (1(d) = 0). An element which is both right and left regular is called regular.
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- Copyright © Canadian Mathematical Society 1976
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