20 Group theory and generalizations
20.92 Semigroups, general theory (35 articles)
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Pondělíček, Bedřich:
A certain equivalence on a semigroup.
(English).
Czechoslovak Mathematical Journal,
vol. 21
(1971),
issue 1,
pp. 109-117
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LaTorre, Donald R.:
On semigroups that are semilattices of groups.
(English).
Czechoslovak Mathematical Journal,
vol. 21
(1971),
issue 3,
pp. 369-370
-
Clifford, Alfred Hoblitzelle; Miller, D. D.:
Union and symmetry preserving endomorphisms of the semigroup of all binary relations on a set.
(English).
Czechoslovak Mathematical Journal,
vol. 20
(1970),
issue 2,
pp. 303-314
-
Kapp, Kenneth M.:
Green's relations and quasi-ideals.
(English).
Czechoslovak Mathematical Journal,
vol. 19
(1969),
issue 1,
pp. 80-85
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Kim, Jin Bai:
Mutants in semigroups.
(English).
Czechoslovak Mathematical Journal,
vol. 19
(1969),
issue 1,
pp. 86-90
-
Schwarz, Štefan:
Prime ideals and maximal ideals in semigroups.
(English).
Czechoslovak Mathematical Journal,
vol. 19
(1969),
issue 1,
pp. 72-79
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Decell, Henry P., Jr.; Wiginton, C. Lamar:
A characterization of the maximal subgroups of the semigroup of $n\times n$ complex matrices.
(English).
Czechoslovak Mathematical Journal,
vol. 18
(1968),
issue 4,
pp. 675-677
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Fabrici, Imrich:
On Semiprime Ideals of the Direct Product of Semigroups.
(English).
Matematický časopis,
vol. 18
(1968),
issue 3,
pp. 201-203
-
Kim, Jin Bai:
On singular matrices.
(English).
Czechoslovak Mathematical Journal,
vol. 18
(1968),
issue 2,
pp. 274-277
-
Goralčík, Pavel; Hedrlín, Zdeněk:
О сдвигах полугрупп. II. Сюръективные преобразования.
(Russian) [On translations of semigroups. II. surjective transformations].
Matematický časopis,
vol. 18
(1968),
issue 4,
pp. 263-272
-
Goralčík, Pavel:
О сдвигах полугрупп. III. Преобразования с увеличительной и преобразования с неправильной сюръективной частю.
(Russian) [On Translations of Semigroups. III. Transformations with the Surjective Part Increasing or Irregular].
Matematický časopis,
vol. 18
(1968),
issue 4,
pp. 273-282
-
Plemmons, Robert J.:
Maximal ideals in the direct product of two semigroups.
(English).
Czechoslovak Mathematical Journal,
vol. 17
(1967),
issue 2,
pp. 257-260
-
Hrmová, Renáta:
Relative ideals in semigroups.
(English).
Matematický časopis,
vol. 17
(1967),
issue 3,
pp. 206-223
-
Krajňáková, Dorota:
Poznámka k duálnym pologrupám.
(Slovak) [A Note on Dual Semigroups].
Matematicko-fyzikálny časopis,
vol. 16
(1966),
issue 3,
pp. 215-217
-
Fulp, Ronald O.:
On homomorphisms of commutative inverse semigroups.
(English).
Czechoslovak Mathematical Journal,
vol. 16
(1966),
issue 1,
pp. 72-75
-
Zelinka, Bohdan:
Průměr grafu systému vlastních podpologrup komutativní pologrupy.
(Czech) [The Diameter of the Graph of the System of Proper Subsemigroups of a Commutative Semigroup].
Matematicko-fyzikálny časopis,
vol. 15
(1965),
issue 2,
pp. 143-145
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Kolibiarová, Blanka:
On a Product of Semigroups.
(English).
Matematicko-fyzikálny časopis,
vol. 15
(1965),
issue 4,
pp. 304-312
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Schwarz, Štefan:
On Powers of Non-Negative Matrices.
(English).
Matematicko-fyzikálny časopis,
vol. 15
(1965),
issue 3,
pp. 215-228
-
Clark, W. Edwin:
Remarks on the kernel of a matrix semigroup.
(English).
Czechoslovak Mathematical Journal,
vol. 15
(1965),
issue 2,
pp. 305-310
-
Hoehnke, Hans-Jürgen:
Über antiautomorphe und involutorische primitive Halbgruppen.
(German) [On antiautomorphic and involutory primitive semigroups].
Czechoslovak Mathematical Journal,
vol. 15
(1965),
issue 1,
pp. 50-63
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Šulka, Robert:
Радикалы и топология в полугруппах.
(Russian) [Radicals and Topology in Semigroups].
Matematicko-fyzikálny časopis,
vol. 15
(1965),
issue 1,
pp. 3-14
-
Schein, Boris M.:
Generalized Groups with the Well-Ordered Set of Idempotents.
(English).
Matematicko-fyzikálny časopis,
vol. 14
(1964),
issue 4,
pp. 259-262
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Šulka, Robert:
Заметка о радикалах в факторполугруппах.
(Russian) [A Note on Radicals in Factor Semigroups].
Matematicko-fyzikálny časopis,
vol. 14
(1964),
issue 4,
pp. 297-300
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Bosák, Juraj:
Všeobecné mocniny v pologrupách.
(Slovak) [General Powers in Semigroups].
Matematicko-fyzikálny časopis,
vol. 13
(1963),
issue 2,
pp. 137-146
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Drbohlav, Karel:
Concerning congruence relations on commutative semigroups (Preliminary communication).
(English).
Commentationes Mathematicae Universitatis Carolinae,
vol. 4
(1963),
issue 1,
pp. 11-13
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Drbohlav, Karel:
On finitely generated commutative semigroups.
(English).
Commentationes Mathematicae Universitatis Carolinae,
vol. 4
(1963),
issue 3,
pp. 87-92
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Baayen, Cor P.; Hedrlín, Zdeněk:
On the product and sum of a system of transformation semigroups.
(English).
Commentationes Mathematicae Universitatis Carolinae,
vol. 4
(1963),
issue 1,
pp. 29-42
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Šulka, Robert:
О нилььпотентных элементах, идеалах и радикалах полугруппы.
(Russian) [On Nilpotent Elements, Ideals and Radicals of a Semigroup].
Matematicko-fyzikálny časopis,
vol. 13
(1963),
issue 3,
pp. 209-222
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Ivan, Ján:
Простота и минимальные идеалы прямого произведения полугрупп.
(Russian).
Matematicko-fyzikálny časopis,
vol. 13
(1963),
issue 2,
pp. 114-124
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Schwarz, Štefan:
Homomorphisms of a Completely Simple Semigroup onto a Group.
(English).
Matematicko-fyzikálny časopis,
vol. 12
(1962),
issue 4,
pp. 293-300
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Petrich, Mario:
Prime ideals of the cartesian product of two semigroups.
(English).
Czechoslovak Mathematical Journal,
vol. 12
(1962),
issue 1,
pp. 150-152
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Hedrlín, Zdeněk:
Two theorems concerning common fixed point of commutative mappings.
(English).
Commentationes Mathematicae Universitatis Carolinae,
vol. 3
(1962),
issue 2,
pp. 32-36
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Warne, R. J.; Williams, L. K.:
Characters on inverse semigroups.
(English).
Czechoslovak Mathematical Journal,
vol. 11
(1961),
issue 1,
pp. 150-155
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Parízek, Bohumír:
O rozklade pologrupy zvyškov (mod $m$) na direktný súčin.
(Slovak) [On the Decomposition of the Semigroup of Residue Classes (mod $m$) into a Direct Product].
Matematicko-fyzikálny časopis,
vol. 10
(1960),
issue 1,
pp. 18-29
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Kolibiarová, Blanka:
O čiastočne komutatívnych periodických pologrupách.
(Slovak) [On the Partially Commutative Torsion Semigroups].
Matematicko-fyzikálny časopis,
vol. 9
(1959),
issue 3,
pp. 160-172