Author(s)

Journal Title/Source

Algebra Universalis

Publication Date

2005

Volume

54

Page Numbers

259–271

Document Type

Journal Article

Department

Mathematics and Computer Science

Abstract

A loop identity is of Bol-Moufang type if two of its three variables occur once on each side, the third variable occurs twice on each side, and the order in which the variables appear on both sides is the same, viz. ((xy)x)z = x(y(xz)). Loop varieties defined by one identity of Bol-Moufang type include groups, Bol loops, Moufang loops and C-loops. We show that there are exactly 14 such varieties, and determine all inclusions between them, providing all necessary counterexamples, too. This extends and completes the programme of Fenyves [5].

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