A finite unary algebra $(A,F)$ has only countably many countable subdirect powers if and only if every operation $f\in F$ is either a permutation or a constant mapping
Abstract. We calculate the number of unary clones (submonoids of the full transformation monoid) con...
Abstract. The Constraint Satisfaction Problem Dichotomy Conjecture of Feder and Vardi [12] has in th...
The first author was supported by the National Science Foundation under Grant No. DMS 1500254.We stu...
A finite unary algebra (A,F) has only countably many countable subdirect powers if and only if every...
summary:We prove that a finite unary algebra with at least two operation symbols is a homomorphic im...
AbstractWe show that a unary algebra is cancellable among finite unary algebras if and only if it co...
summary:J. Płonka in [12] noted that one could expect that the regularization ${\mathcal R}(K)$ of...
AbstractThose unary algebras (A, ƒ) (A a set, ƒ a mapping from A into A) are characterized for which...
The aim of this paper is to show that every infinite Boolean algebra which admits a countable minima...
summary:One of the main aims of the present and the next part [15] is to show that the theory of gra...
summary:We use graph-algebraic results proved in [8] and some results of the graph theory to charact...
The direct product ℕ x ℕ of two free monogenic semigroups contains uncountably many pairwise nonisom...
Abstract. We prove that every clone of operations on a finite set A, if it contains a Malcev operati...
Abstract. We say that a finite algebra A = 〈A;F 〉 has the ability to count if there are subalgebras ...
AbstractThis paper is dedicated to proving a single result: that isometric isomorphisms of Cartan bi...
Abstract. We calculate the number of unary clones (submonoids of the full transformation monoid) con...
Abstract. The Constraint Satisfaction Problem Dichotomy Conjecture of Feder and Vardi [12] has in th...
The first author was supported by the National Science Foundation under Grant No. DMS 1500254.We stu...
A finite unary algebra (A,F) has only countably many countable subdirect powers if and only if every...
summary:We prove that a finite unary algebra with at least two operation symbols is a homomorphic im...
AbstractWe show that a unary algebra is cancellable among finite unary algebras if and only if it co...
summary:J. Płonka in [12] noted that one could expect that the regularization ${\mathcal R}(K)$ of...
AbstractThose unary algebras (A, ƒ) (A a set, ƒ a mapping from A into A) are characterized for which...
The aim of this paper is to show that every infinite Boolean algebra which admits a countable minima...
summary:One of the main aims of the present and the next part [15] is to show that the theory of gra...
summary:We use graph-algebraic results proved in [8] and some results of the graph theory to charact...
The direct product ℕ x ℕ of two free monogenic semigroups contains uncountably many pairwise nonisom...
Abstract. We prove that every clone of operations on a finite set A, if it contains a Malcev operati...
Abstract. We say that a finite algebra A = 〈A;F 〉 has the ability to count if there are subalgebras ...
AbstractThis paper is dedicated to proving a single result: that isometric isomorphisms of Cartan bi...
Abstract. We calculate the number of unary clones (submonoids of the full transformation monoid) con...
Abstract. The Constraint Satisfaction Problem Dichotomy Conjecture of Feder and Vardi [12] has in th...
The first author was supported by the National Science Foundation under Grant No. DMS 1500254.We stu...
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