Note on the Set of Nilpotent Elements and on Radicals of Semigroups

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Note on the Set of Nilpotent Elements and on Radicals of Semigroups. (English). Matematický časopis, vol. 21 (1971), issue 2, pp. 124-130

MSC: 20M10, 20M11 | MR 0302792 | Zbl 0232.20129

References:

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[2] Ивaн Я.: Пpocmoma u мuнuмaлъныe uдeaлы npямoгo npouзвeдeнuя полyгpynn. Mat.-fyz. časop. 13 (1963), 114-124. MR 0159894

[3] Kelly J. L.: General Topology. New York 1955.

[4] Petrich M.: Prime ideals of the Cartesian product of two semigroups. Czechosl. Math. J. 12 (87) (1962), 150-152. MR 0140597 | Zbl 0124.25702

[5] Шyлкa P.: O нuлъnomeнmnыx элeмeнmax, uдaeлax u paдuкaлax noлyгpynnы. Mat.-fyz. časop. 13 (1963), 209-222.

[6] Шyлкa P.: Paдuкaлы u monoлoгuя в noлyгpynnax. Mat.-fyz. časop. 15 (1965), 3-14. MR 0182668

[7] Šulka R.: Note on the Ševrin radical in semigroups. Mat. časop. 18 (1968), 57-58. MR 0242978

[8] Szász G.: Über Primideale von Halbgruppen. Publs math. 13 (1966), 39-41. MR 0202886

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