Author: Abrhan, Imrich
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Abrhan, Imrich:
On minimal ideals in semigroups with respect to their subsets. I.
(English).
Mathematica Bohemica,
vol. 122
(1997),
issue 1,
pp. 1-12
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Abrhan, Imrich:
On minimal ideals in semigroups with respect to their subsets. II.
(English).
Mathematica Slovaca,
vol. 44
(1994),
issue 4,
pp. 463-478
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Abrhan, Imrich; Satko, Ladislav:
$r$-systems of unary algebras. I: On maximal and greatest $J$-classes of the direct product of unary algebras.
(English).
Mathematica Slovaca,
vol. 44
(1994),
issue 1,
pp. 55-68
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Abrhan, Imrich; Satko, Ladislav:
$r$-systems of unary algebras. II: Maximal and minimal subalgebras of the direct products of unary algebras.
(English).
Mathematica Slovaca,
vol. 44
(1994),
issue 1,
pp. 69-83
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Abrhan, Imrich:
О простых идеалах в группоидах и в мультипликативных полугруппах классов вычетов (mod m).
(Russian) [On prime ideals in groupoids and in multiplicative semigroups of residue classes (mod m)].
Mathematica Slovaca,
vol. 34
(1984),
issue 2,
pp. 121-133
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Abrhan, Imrich:
О $\cal I$-подалгебрах в унарных алгебрах, о простых идеалах и $\cal I$-идеалах в группоидах и полугруппах.
(Russian) [$\cal I$-subalgebras in unary algebras, prime ideals and ${\cal I}$-ideals in groupoids and in semigroups].
Mathematica Slovaca,
vol. 28
(1978),
issue 1,
pp. 61-80
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Abrhan, Imrich:
О минимальных множествах образующих в унарных алгебрах.
(Russian) [Minimal Sets of Generators in Unary Algebras].
Matematický časopis,
vol. 25
(1975),
issue 4,
pp. 305-317
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Abrhan, Imrich:
О максимальных подалгебрах в унарных алгебрах.
(Russian) [Maximal Subalgebras in Unary Algebras].
Matematický časopis,
vol. 24
(1974),
issue 2,
pp. 113-128
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Abrhan, Imrich:
O ($H,T$)-ideáloch direktného súčinu pologrúp.
(Slovak) [On ($H,T$)-Ideals of the Direct Product of Semigroups].
Matematický časopis,
vol. 21
(1971),
issue 3,
pp. 199-213
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Abrhan, Imrich:
Poznámka k maximálnym ($H_1,H_2$)-ideálom v pologrupách.
(Slovak) [Note on the Maximal $(H_1,H_2)$-Ideals of Semigroups].
Matematický časopis,
vol. 21
(1971),
issue 3,
pp. 214-218
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Abrhan, Imrich:
Note on the Set of Nilpotent Elements and on Radicals of Semigroups.
(English).
Matematický časopis,
vol. 21
(1971),
issue 2,
pp. 124-130
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Abrhan, Imrich:
О множествах нилбпотентных злементов и радикалах прямого произведения полугрупп.
(Russian) [On Sets of Nilpotent Elements and Radicals of the Direct Product of Semigroups].
Matematický časopis,
vol. 18
(1968),
issue 1,
pp. 25-33
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