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Infinite quasi-injective groups
Published online by Cambridge University Press: 20 January 2009
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A group G is said to be quasi-injective if, for each subgroup H of G and homomorphism θ:H→G, there is an endomorphism such that . It is of course well known that the category of groups does not possess non-trivial injective objects and so we consider groups satisfying the weaker condition of quasi-injectivity.
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- Copyright © Edinburgh Mathematical Society 1988
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