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Published in 2020 at "Open Mathematics"
DOI: 10.1515/math-2020-0018
Abstract: Abstract Let R be a subset of a unital ring Q such that 0 ∈ R. Let us fix an element t ∈ Q. If R is a (t; d)-free subset of Q, then Tn(R)…
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Keywords:
triangular matrix;
functional identities;
identities upper;
upper triangular ... See more keywords