Percorrer por autor "Fountain, John"
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- A description of normal semigroups of endomorphisms of proper independence algebrasPublication . Fountain, John; Araújo, JoãoLet A be a strong independence algebra of finite rank with at most one constant, and let G be the group of automorphisms of A . Let \alpha be a singular endomorphism of A and \alpha^G = < {\alpha}U G > . We describe the elements of \alpha^G and give additional characterisations when A is a proper independence algebra and G is a periodic group.