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IMCS/Publications/QRS/Issues/QRS v.11, n.1 (11), 2004/

SQS-3-Groupoid with q(x,x,y)=x

Authors: M. H. Armanious

Abstract

A new algebraic structure (P; q) of a Steiner quadruple systems SQS (P;B) called an SQS-3-groupoid with q(x; x; y) = x (briefly: an SQS-3-quasigroup) is defined and some of its properties are described. Sloops are considered as derived algebras of SQS-skeins. Squags and also commutative loops of exponent 3 with x(xy)^2 = y^2 given in [7] are derived algebras of SQS-3-groupoids. The role of SQS-3-groupoids in the clarification of the connections between squags and commutative loops of exponent 3 is described.

M. H. Armanious
Department of Mathematics,
Faculty of Science,
Mansoura University,
Mansoura,
Egypt.
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