20 Group theory and generalizations
20.00 General (35 articles)
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Havel, Václav:
Free extensions of $(a,b)$-systems.
(English).
Czechoslovak Mathematical Journal,
vol. 20
(1970),
issue 3,
pp. 353-356
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Schwarz, Štefan:
A Note on the Structure of the Semigroup of Doubly-Stochastic Matrices.
(English).
Matematický časopis,
vol. 17
(1967),
issue 4,
pp. 308-316
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Holland, Charles:
The interval topology of a certain $l$-group.
(English).
Czechoslovak Mathematical Journal,
vol. 15
(1965),
issue 2,
pp. 311-314
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Conrad, Paul F.:
The lattice of all convex $l$-subgroups of a lattice-ordered group.
(English).
Czechoslovak Mathematical Journal,
vol. 15
(1965),
issue 1,
pp. 101-123
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Jakubík, Ján:
Über die Intervalltopologie auf einer halbgeordneten Gruppe.
(German).
Matematicko-fyzikálny časopis,
vol. 15
(1965),
issue 4,
pp. 257-272
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Jakubík, Ján:
Über Verbandsgruppen mit zwei Erzeugenden.
(German) [On lattice groups with two generators].
Czechoslovak Mathematical Journal,
vol. 14
(1964),
issue 3,
pp. 444-454
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Jakubík, Ján:
Лексикографические произведения частично упорядоченных группоидов.
(Russian) [Lexicographic products of partially ordered groupoids].
Czechoslovak Mathematical Journal,
vol. 14
(1964),
issue 2,
pp. 281-305
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Šik, František:
Über Fortsetzung additiver und isotoner Funktionale auf geordneten Gruppen.
(German) [On extension of additive and isotone functionals on ordered groups].
Czechoslovak Mathematical Journal,
vol. 13
(1963),
issue 1,
pp. 24-36
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Jakubík, Ján:
Представление и расширение $l$-групп.
(Russian) [Representation and extension of $l$-groups].
Czechoslovak Mathematical Journal,
vol. 13
(1963),
issue 2,
pp. 267-283
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Šik, František:
Über additive und isotone Funktionale auf geordneten Gruppen.
(German) [On additive and isotone functionals on ordered groups].
Czechoslovak Mathematical Journal,
vol. 12
(1962),
issue 4,
pp. 611-621
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Jakubík, Ján:
Прямые разложения частично упорядоченных групп, II.
(Russian) [Direct decompositions of partially ordered groups, II].
Czechoslovak Mathematical Journal,
vol. 11
(1961),
issue 4,
pp. 490-515
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Cristescu, Romulus:
Sur les groupes dirigés.
(French) [On directed groups].
Czechoslovak Mathematical Journal,
vol. 10
(1960),
issue 1,
pp. 17-26
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Dlab, Vlastimil:
The Frattini subgroups of abelian groups.
(English).
Czechoslovak Mathematical Journal,
vol. 10
(1960),
issue 1,
pp. 1-16
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Dlab, Vlastimil:
On cyclic groups.
(English).
Czechoslovak Mathematical Journal,
vol. 10
(1960),
issue 2,
pp. 244-254
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Schwarz, Štefan:
On dual semigroups.
(English).
Czechoslovak Mathematical Journal,
vol. 10
(1960),
issue 2,
pp. 201-230
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Šik, František:
Über subdirekte Summen geordneter Gruppen.
(German) [On subdirect sums of ordered groups].
Czechoslovak Mathematical Journal,
vol. 10
(1960),
issue 3,
pp. 400-424
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Jakubík, Ján:
Прямые разложения частично упорядоченных групп.
(Russian) [Direct decompositions of partially ordered groups].
Czechoslovak Mathematical Journal,
vol. 10
(1960),
issue 2,
pp. 231-243
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Dlab, Vlastimil:
Некоторые соотношения между системами образующих абелевых групп.
(Russian) [Some relations among the generating systems of abelian groups].
Czechoslovak Mathematical Journal,
vol. 9
(1959),
issue 2,
pp. 161-171
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Jakubík, Ján:
О главных идеалах в структурно упорядоченных группах.
(Russian) [Principal ideals in $l$-groups].
Czechoslovak Mathematical Journal,
vol. 9
(1959),
issue 4,
pp. 528-543
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Kolibiarová, Blanka:
O komutatívnych periodických pologrupách.
(Slovak).
Matematicko-fyzikálny časopis,
vol. 8
(1958),
issue 3,
pp. 127-135
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Parízek, Bohumír; Schwarz, Štefan:
O multiplikatívnej pologrupe zvyškových tried (mod $m$).
(Slovak) [On the Multiplicative Semigroup of Residue Classes (mod $m$)].
Matematicko-fyzikálny časopis,
vol. 8
(1958),
issue 3,
pp. 136-150
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Ivan, Ján:
O reprezentácii jednoduchých pologrúp.
(Slovak) [On the Matrix Representations of Simple Semigroups].
Matematicko-fyzikálny časopis,
vol. 8
(1958),
issue 1,
pp. 27-39
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Kajan, Juraj:
Poznámka o štruktúre istého typu zľava jednoduchých pologrúp.
(Slovak) [Remark on the Structure of a Type of Left Simple Semigroups].
Matematicko-fyzikálny časopis,
vol. 8
(1958),
issue 4,
pp. 187-192
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Šik, František:
Über Summen einfach geordneter Gruppen.
(German) [On sums of simply ordered groups].
Czechoslovak Mathematical Journal,
vol. 8
(1958),
issue 1,
pp. 22-53
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Dlab, Vlastimil:
Заметка к теории полных абелевых групп.
(Russian) [A note on the theory of divisible abelian groups].
Czechoslovak Mathematical Journal,
vol. 8
(1958),
issue 1,
pp. 54-61
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Dlab, Vlastimil:
Die Endomorphismenringe abelscher Gruppen und die Darstellung von Ringen durch Matrizenringe.
(German) [The rings of endomorphisms of Abelian groups and the representation of rings by rings of matrices].
Czechoslovak Mathematical Journal,
vol. 7
(1957),
issue 4,
pp. 485-523
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Šulka, Robert:
O izomorfiszme topologických grupoidov.
(Slovak) [On the Isomorphism of Topological Groupoids].
Matematicko-fyzikálny časopis,
vol. 7
(1957),
issue 3,
pp. 143-157
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Kolibiarová, Blanka:
O pologrupách, ktorých každá čiastočná pologrupa má ľavú jednotku.
(Slovak) [On the Semigroups, Every Subsemigroup of which Has a Left Unit Element].
Matematicko-fyzikálny časopis,
vol. 7
(1957),
issue 3,
pp. 177-182
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Parízek, Bohumír:
Poznámka o štruktúre multiplikatívnej pologrupy zvyškových tried.
(Slovak) [Note on Structure of Multiplicative Semigroup of Residue Classes].
Matematicko-fyzikálny časopis,
vol. 7
(1957),
issue 3,
pp. 183-185
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Schwarz, Štefan:
On the structure of the semigroup of measures on a finite semigroup.
(English).
Czechoslovak Mathematical Journal,
vol. 7
(1957),
issue 3,
pp. 358-373
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Novikov, P. S.:
О неразрешимости проблемы тождества слов в группе и некоторых других проблем алгебры.
(Russian) [The unsolvability of the problem of the equivalence of words in a group and several other problems in algebra].
Czechoslovak Mathematical Journal,
vol. 6
(1956),
issue 4,
pp. 450-454