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[期刊论文] 作者:Janusz Konieczny,
来源:代数集刊(英文版) 年份:2002
For any idempotent ε in the semigroup PTn of partial transformations on a set with n elements, the structure in terms of Green’s relations of the semigroup C(...
[期刊论文] 作者:Janusz Konieczny,
来源:代数集刊(英文版) 年份:2019
For an infinite set X,denote by Ω(X) the semigroup of all surjective mappings from X to X.We determine Green’s relations in Ω(X),show that the kel (unique mi...
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