Bruck decomposition for endomorphisms of quasigroups

نویسنده

  • Péter T. Nagy
چکیده

In the year 1944 R. H. Bruck has described a very general construction method which he called the extension of a set by a quasigroup. We use it to construct a class of examples for LF-quasigroups in which the image of the map e(x) = x\x is a group. More generally, we consider the variety of quasigroups which is defined by the property that the map e is an endomorphism and its subvariety where the image of the map e is a group. We characterize quasigroups belonging to these varieties using their Bruck decomposition with respect to the map e.

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تاریخ انتشار 2009