Research articles

On a product of classes of algebraic systems

Vasile I. Ursu

Institute of Mathematics "Simion Stoilow" of the Romanian Academy

Abstract: This paper defines a product of classes of algebraic systems and proves that it is a universal class, a quasi-variety or variety if these classes are universal classes, quasi-varieties or varieties, respectively.

Keywords and phrases: algebraic system, class, quasi-variety, variety, congruence, product.

MSC: 08B25

Received: 06.02.2009

Language: English

Bibliographic databases:

• 
•