## Found 1,283 Documents (Results 1–100)

100
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### The study on the relative rank of transformation semigroups with restricted range. (English)Zbl 07555740

MSC:  20M20 20M15
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### The relative rank of $$\mathcal{OPR}(X)$$ modulo $$\mathcal{O}(X)$$. (English)Zbl 07491349

MSC:  20M20 20M15
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### On automorphisms of monotone transformation posemigroups. (English)Zbl 1491.06040

MSC:  06F05 20M20 20M15
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### On group congruences on the semigroup $$\mathbf{B}^{\mathfrak{F}}_{\omega}$$ and its homomorphic retracts in the case when the family $$\mathfrak F$$ consists of inductive non-empty subsets of $$\omega$$. (Ukrainian. English summary)Zbl 07549631

MSC:  20M10 20M15 18B40
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### On semigroup constructions induced by commuting retractions on a set. (English)Zbl 1491.20110

MSC:  20M10 20M15
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### On Hua semigroups. (English)Zbl 07405281

MSC:  20M10 20M15
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### Complete classification of finite semigroups for which the inverse monoid of local automorphisms is a $$\varDelta$$-semigroup. (English)Zbl 1473.20067

MSC:  20M18 20M10 20M15
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### On certain semigroups of transformations that preserve a partition. (English)Zbl 07291067

MSC:  20M15 20M20
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### On some generalization of the bicyclic monoid. (Ukrainian. English summary)Zbl 07498776

MSC:  20M10 20M15
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### Endomorphisms of Clifford semigroups with injective structure homomorphisms. (English)Zbl 1491.20122

MSC:  20M15 20M10 20M20
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### Semilatice decompositions of semigroups. Hereditariness and periodicity – an overview. (English)Zbl 1484.20098

Silvestrov, Sergei (ed.) et al., Algebraic structures and applications. Selected papers based on the presentations at the international conference on stochastic processes and algebraic structures – from theory towards applications, SPAS 2017, Västerås and Stockholm, Sweden, October 4–6, 2017. Cham: Springer. Springer Proc. Math. Stat. 317, 687-721 (2020).
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### Isomorphism theorems for basic constructive algebraic structures with special emphasize on constructive semigroups with apartness – an overview. (English)Zbl 1491.20115

Silvestrov, Sergei (ed.) et al., Algebraic structures and applications. Selected papers based on the presentations at the international conference on stochastic processes and algebraic structures – from theory towards applications, SPAS 2017, Västerås and Stockholm, Sweden, October 4–6, 2017. Cham: Springer. Springer Proc. Math. Stat. 317, 653-686 (2020).
MSC:  20M10 20M15 03F65
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### Epimorphisms, dominions and $$\mathcal{H}$$-commutative semigroups. (English)Zbl 1481.20199

MSC:  20M10 20M14 20M15
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### Automorphism groups of superextensions of finite monogenic semigroups. (English)Zbl 1448.20045

MSC:  20M10 20M15 20B25
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### Idempotent-fixing automorphisms of completely regular semigroups. (English)Zbl 1471.20042

MSC:  20M17 20M15 20M10
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### Endomorphisms of semigroups of order-preserving partial transformations. (English)Zbl 1445.20049

MSC:  20M20 20M15
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### The nature of generalized scales. (English)Zbl 1468.20102

MSC:  20M15 46L05
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### On Pierce’s conjecture in $$U(\infty)$$. (English)Zbl 1438.20062

MSC:  20M15 06E05
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### Groupoids determined by involutive automorphisms on semilattices of groups. (English)Zbl 1469.20059

MSC:  20N02 20M10 20M15
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### The form of multi-additive symmetric functions. (English)Zbl 1409.39016

MSC:  39B52 39B05 20M15
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### The mappings on classes of fuzzy soft bi-ideals over semigroups. (English)Zbl 1396.20088

MSC:  20N25 20M12 20M15

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### On the endomorphism monoids of Clifford semigroups. (English)Zbl 1392.20049

MSC:  20M15 20M10 20M20
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### Centralizers of full injective transformations in the symmetric inverse semigroup. (English)Zbl 1435.20071

MSC:  20M18 20M20 20M15
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### $$\ast$$-relations on ternary semigroups. (English)Zbl 06869736

MSC:  20M15 16W22
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### Automorphism groups of superextensions of groups. (English)Zbl 07053817

MSC:  20B25 20D45 20M15
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### On the automorphism group of the superextension of a semigroup. (English)Zbl 1411.20001

MSC:  20B25 20M15
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### Complete classification of finite semigroups for which the inverse monoid of local automorphisms is a permutable semigroup. (English. Ukrainian original)Zbl 1490.20039

Ukr. Math. J. 68, No. 11, 1820-1828 (2017); translation from Ukr. Mat. Zh. 68, No. 11, 1571-1578 (2016).
MSC:  20M15 20M18 20M20
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### Four notions of conjugacy for abstract semigroups. (English)Zbl 1486.20071

MSC:  20M07 20M20 20M15
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### Interassociates of the bicyclic semigroup. (English)Zbl 1422.20028

MSC:  20M10 20M15 20M05
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### Isometric multipliers of a vector valued Beurling algebra on a discrete semigroup. (English)Zbl 1382.46035

MSC:  46J05 20M14 20M15
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### Unipotent congruences on a proper weakly left type $$B$$ semigroup. (Chinese. English summary)Zbl 1374.20051

MSC:  20M10 20M15
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### A presentation of a finitely generated submonoid of invertible endomorphisms of the free monoid. (English)Zbl 1398.20075

MSC:  20M20 20M05 20M15
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### Homomorphisms of two full transformation semigroups. II. (Chinese. English summary)Zbl 1363.20065

MSC:  20M20 20M15
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### Enumeration of $$m$$-endomorphisms. (English)Zbl 1338.05013

MSC:  05A15 20M15
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### A note on the extensions of the inversion map to the absorbing elements of a semigroup. (English)Zbl 1348.20067

MSC:  20M15 20M10
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### Homomorphisms of two finite full transformation semigroups. I. (Chinese. English summary)Zbl 1349.20061

MSC:  20M20 20M15
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### Max-end invariance under $$(\Phi,\Psi)$$-mutations of free commutative monoids. (English)Zbl 1338.20055

MSC:  20M14 16Y60 20M15
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### Automorphism groups and endomorphism semigroups of groups $$B(m,n)$$. (English. Russian original)Zbl 1323.20031

Algebra Logic 54, No. 1, 58-62 (2015); translation from Algebra Logika 54, No. 1, 85-91 (2015).
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### Extension of endomorphisms of the subsemigroup $$\mathrm{GE}_2^+(R)$$ to endomorphisms of $$\mathrm{GE}_2^+(R[x])$$, where $$R$$ is a partially-ordered commutative ring without zero divisors. (English. Russian original)Zbl 1320.20060

J. Math. Sci., New York 206, No. 6, 711-733 (2015); translation from Fundam. Prikl. Mat. 18, No. 4, 155-184 (2013).
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### Correspondences of the semigroup of endomorphisms of an equivalence relation. (English. Russian original)Zbl 1328.20081

Math. Notes 97, No. 2, 201-212 (2015); translation from Mat. Zametki 97, No. 2, 217-230 (2015).
MSC:  20M20 08A30 20M15
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### $$\Omega$$-interval-valued fuzzy subsemigroups in a semigroup. (English)Zbl 1317.20059

MSC:  20N25 20M15 08A72
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### The finiteness problem for monoids of morphisms. (English)Zbl 1314.20045

MSC:  20M05 68Q45 20M15
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### Endomorphisms of the semigroup $$G_2(R)$$ over partially ordered commutative rings without zero divisors and with $$1/2$$. (English. Russian original)Zbl 1311.20062

J. Math. Sci., New York 201, No. 4, 534-551 (2014); translation from Fundam. Prikl. Mat. 18, No. 1, 181-204 (2013).
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### Generalized $$(\mathcal{I,T})$$-$$L$$-fuzzy rough sets based on $$\mathcal TL$$-fuzzy relational morphisms on semigroups. (English)Zbl 1309.20063

MSC:  20N25 08A72 20M15
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### Inverse semigroups with idempotent-fixing automorphisms. (English)Zbl 1307.20054

MSC:  20M18 20M15
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### The homomorphism from order-preserving partial singular transformation semigroup to order-preserving partial transformation semigroup. (Chinese. English summary)Zbl 1313.20058

MSC:  20M20 20M15
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### The endotopism semigroups of an equivalence relation. (English. Russian original)Zbl 1306.20064

Sb. Math. 205, No. 5, 646-662 (2014); translation from Math. Sb. 205, No. 5, 37-54 (2014).
MSC:  20M20 20M15 08A30
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### Centralizers and their applications to generalized inverses. (English)Zbl 1294.15006

MSC:  15A09 16U80 20M15
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### The largest subsemilattices of the endomorphism monoid of an independence algebra. (English)Zbl 1302.08005

MSC:  08A35 20M20 20M15
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### Covers of semigroups and function semirings. (English)Zbl 1312.20055

MSC:  20M15 16Y60
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### Epimorphisms, closed, and supersaturated semigroups. (English)Zbl 1297.20063

MSC:  20M10 20M15
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### Homomorphisms of two order-preserving transformation semigroups. (Chinese. English summary)Zbl 1299.20081

MSC:  20M20 20M15
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### A note on homomorphisms of matrix semigroup. (English)Zbl 1292.20067

MSC:  20M15 20M20 15A30
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### Necessary and sufficient conditions for a subsemigroup of a cancellative left amenable semigroup to be left amenable. (English)Zbl 1285.43001

MSC:  43A07 20M15
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