Beiträge zur Algebra und Geometrie Contributions to Algebra and Geometry Vol. 48, No. 1, pp. 115130 (2007) 

A notion of functional completeness for first order structures II: QuasiprimalityEtienne R. Alomo Temgoua and Marcel TongaDepartment of Mathematics, Ecole Normale Supérieure, University of Yaounde 1, P. O. Box 47 Yaounde, Cameroon, email: retemgoua@yahoo.fr Department of Mathematics, Faculty of Science, University of Yaounde 1, P. O. Box 812 Yaounde, Cameroon, email: tongamarcel@yahoo.frAbstract: Quasivarieties of firstorder strutures were studied by N. Weaver [7] to generalize varieties of algebras; he also established some Malcev like conditions for these classes of structures. Following this line we extend some results of functional completeness of algebras to firstorder structures. Specifically, we formulate and characterize a notion of quasiprimality for firstorder structures. Keywords: quasiprimality, firstorder structure, $\star$congruences Full text of the article:
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