summary:We prove that a finite unary algebra with at least two operation symbols is a homomorphic image of a (finite) subdirectly irreducible algebra if and only if the intersection of all its subalgebras which have at least two elements is nonempty
AbstractFor a regular variety V of unary algebras, we consider the category PAR(V) whose objects are...
AbstractLet K be a class of finite algebras closed under subalgebras, homomorphic images and finite ...
AbstractFast algorithms are presented which find the minimal nontrivial congruences, subalgebras, an...
summary:We prove that a finite unary algebra with at least two operation symbols is a homomorphic im...
A finite unary algebra $(A,F)$ has only countably many countable subdirect powers if and only if eve...
summary:One of the main aims of the present and the next part [15] is to show that the theory of gra...
AbstractWe show that a unary algebra is cancellable among finite unary algebras if and only if it co...
summary:A construction of all homomorphisms of an algebra with a finite number of operations into an...
summary:Mono-unary algebras may be used to construct homomorphisms, subalgebras, and direct products...
AbstractWe investigate ways in which certain binary homomorphisms of a finite algebra can guarantee ...
summary:J. Płonka in [12] noted that one could expect that the regularization ${\mathcal R}(K)$ of...
summary:We use graph-algebraic results proved in [8] and some results of the graph theory to charact...
summary:A groupoid $H$ is a homomorphic image of a subdirectly irreducible groupoid $G$ (over its mo...
AbstractThose unary algebras (A, ƒ) (A a set, ƒ a mapping from A into A) are characterized for which...
AbstractWe study surjective homomorphisms f:∏IAi→B of not-necessarily-associative algebras over a co...
AbstractFor a regular variety V of unary algebras, we consider the category PAR(V) whose objects are...
AbstractLet K be a class of finite algebras closed under subalgebras, homomorphic images and finite ...
AbstractFast algorithms are presented which find the minimal nontrivial congruences, subalgebras, an...
summary:We prove that a finite unary algebra with at least two operation symbols is a homomorphic im...
A finite unary algebra $(A,F)$ has only countably many countable subdirect powers if and only if eve...
summary:One of the main aims of the present and the next part [15] is to show that the theory of gra...
AbstractWe show that a unary algebra is cancellable among finite unary algebras if and only if it co...
summary:A construction of all homomorphisms of an algebra with a finite number of operations into an...
summary:Mono-unary algebras may be used to construct homomorphisms, subalgebras, and direct products...
AbstractWe investigate ways in which certain binary homomorphisms of a finite algebra can guarantee ...
summary:J. Płonka in [12] noted that one could expect that the regularization ${\mathcal R}(K)$ of...
summary:We use graph-algebraic results proved in [8] and some results of the graph theory to charact...
summary:A groupoid $H$ is a homomorphic image of a subdirectly irreducible groupoid $G$ (over its mo...
AbstractThose unary algebras (A, ƒ) (A a set, ƒ a mapping from A into A) are characterized for which...
AbstractWe study surjective homomorphisms f:∏IAi→B of not-necessarily-associative algebras over a co...
AbstractFor a regular variety V of unary algebras, we consider the category PAR(V) whose objects are...
AbstractLet K be a class of finite algebras closed under subalgebras, homomorphic images and finite ...
AbstractFast algorithms are presented which find the minimal nontrivial congruences, subalgebras, an...