# Semigroups certain of whose subsemigroups have identities

Czechoslovak Mathematical Journal (1966)

- Volume: 16, Issue: 2, page 186-198
- ISSN: 0011-4642

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topPetrich, Mario. "Semigroups certain of whose subsemigroups have identities." Czechoslovak Mathematical Journal 16.2 (1966): 186-198. <http://eudml.org/doc/12313>.

@article{Petrich1966,

author = {Petrich, Mario},

journal = {Czechoslovak Mathematical Journal},

keywords = {generalized groups, semigroups},

language = {eng},

number = {2},

pages = {186-198},

publisher = {Institute of Mathematics, Academy of Sciences of the Czech Republic},

title = {Semigroups certain of whose subsemigroups have identities},

url = {http://eudml.org/doc/12313},

volume = {16},

year = {1966},

}

TY - JOUR

AU - Petrich, Mario

TI - Semigroups certain of whose subsemigroups have identities

JO - Czechoslovak Mathematical Journal

PY - 1966

PB - Institute of Mathematics, Academy of Sciences of the Czech Republic

VL - 16

IS - 2

SP - 186

EP - 198

LA - eng

KW - generalized groups, semigroups

UR - http://eudml.org/doc/12313

ER -

## References

top- R. H. Brück, A survey of binary systems, Springer, Berhn, 1958. (1958) MR0093552
- A. H. Clifford, G. B. Preston, The algebraic theory of semigroups, Vol. I, Math. Surveys No. 7, Amer. Math. Soc, Providence, R. I., 1961. (1961) Zbl0111.03403MR0132791
- P. H. H. Fantham, On the classification of a certain type of semigroup, Proc. London Math. Soc. (3) 10 (1960), 409-427. (1960) Zbl0228.20035MR0121411
- B. Kolibiarová, On semigroups, every subsemigroup of which has a left identify, Mat.-Fyz. Časopis Slovensk. Akad. Vied 7 (1957), 177-182 (Slovak; Russian and English summaries). (1957) MR0100643
- B. Kolibiarová, On semigroups, every left ideal of which has a one-sided identity, Mat.-Fyz. Časopis Slovensk. Akad. Vied 10 (1960), 9-17 (Slovak; Russian and German summaries). (1960) MR0132115
- B. Kolibiarová, On semigroups, every principal left ideal of which has an identity, Mat.-Fyz. Časopis Slovensk. Akad. Vied 11 (1961), 275-281 (Slovak; Russian and German summaries). (1961)
- M. Petrich, Sur certaines classes de demi-groupes, I, Acad. Roy. Belg. Bull. CI. Sci. 49 (1963), 785-798. (1963) Zbl0124.25704MR0166283
- M. Petrich, 10.1007/BF01114879, Math. Zeitschrift 85 (1964), 68-82. (1964) Zbl0124.25801MR0167552DOI10.1007/BF01114879
- Š. Schwarz, Contribution to the theory of periodic semigroups, Czechoslovak Math. J. 3 (1953), 7-21 (Russian; English summary). (1953) MR0061593
- N. N. Vorob'ev, Associative systems of which every subsystem has an identity, Doklady Akad. Nauk SSSR 88 (1953), 393-396 (Russian). (1953) MR0053077
- N. N. Vorob'ev, On associative systems of which every left ideal has an identity, Leningrad. Gos. Ped. Inst. Uc. Zap. 103 (1955), 83-90 (Russian). (1955)

## Citations in EuDML Documents

top- Hugo D'Alarcao, Biregular semigroups. I
- Blanka Kolibiarová, On a Construction of Some Semigroups
- Mario Petrich, Some relations on the lattice of varieties of completely regular semigroups
- Blanka Kolibiarová, A Note on the Structure of Some Types of Semigroups
- Bedřich Pondělíček, A certain equivalence on a semigroup
- Bedřich Pondělíček, $\mathcal{T}$-Prime Subsets in Semigroups
- Bedřich Pondělíček, On a certain relation for closure operation on a semigroup
- Bedřich Pondělíček, A Note on Classes of Regularity in Semigroups
- Stojan Bogdanović, Miroslav Ćirić, Radicals of Green’s relations

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