A note on endomorphisms of hypercentral
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Giovanni Cutolo; Chiara Nicotera
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Article
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2002
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Elsevier Science
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English
โ 95 KB
Let H be a subnormal subgroup of a hypercentral group G. We prove that endomorphisms of G are uniquely determined by their restrictions to H if and only if Hom(G/H G , G) = 0, and draw some consequences from this fact.