Crossref Citations
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Dicks, Warren
1988.
Ring Theory.
Vol. 1328,
Issue. ,
p.
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Published online by Cambridge University Press: 24 October 2008
Let k be a field, X a set, F = k 〈X〉 the free associative k-algebra, and b an element of F that is homogeneous with respect to the grading of F induced by some map . We show that the idealizer of b in F, S = {f∈F|fb∈bF}, is a free algebra.