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(1)Nonsplitting F-quasigroups Comment.Math.Univ.Carolin

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Nonsplitting F-quasigroups

Comment.Math.Univ.Carolin. 53,3 (2012)375{381.

Abstrat: T. Kepka, M.K. Kinyon and J.D. Phillips [The struture of F-quasigroups,

J. Algebra 317 (2007), no. 2, 435{461℄ developed a onnetion between F-quasigroups

and NK-loops. Sine NK-loops are ontained in the variety generated by groups and

ommutativeMoufangloops,aquestionthatarisesiswhetherornotthereexistsanonsplit

NK-loopandlikewiseanonsplit F-quasigroup. Hereweprovethattheredoindeedexist

nonsplitF-quasigroupsandshowthatthereareexatlyfourorrespondingnonsplitNK-

loopsofminimalorder3 6

.

Keywords:F-quasigroup,NK-loop,Moufangloop

AMSSubjetClassiation:Primary20E10;Seondary20N05

Referenes

[1℄BelousovV.D.,Aboutonequasigrouplass,UhenyeZapiskiBeltskogoGospedinstitutaim.

A.Russo,5(1960),29{44(inRussian).

[2℄BolG.,GewebeundGruppen,Math.Ann.114(1937),no.1,414{431.

[3℄BrukR.H.,ASurveyofBinarySystems,Springer,NewYork,1971.

[4℄Gagola S.M.III,A Moufang loop's ommutant, Pro. CambridgePhil.So. 152(2012),

no.2,193{206.

[5℄GagolaS.M.III,Thenumber ofSylowp-subloopsinniteMoufangloops,Comm.Algebra

38(2010),no.4,1436{1448.

[6℄KepkaT.,Beneteau L.,LaazeJ.,Smallnitetrimedialquasigroups,Comm.Algebra14

(1986),no.6,1067{1090.

[7℄KepkaT.,KinyonM.K.,PhillipsJ.D.,F-quasigroups andgeneralized modules,Comment.

Math.Univ.Carolin.49(2008),no.2,249{257.

[8℄Kepka T., Kinyon M.K., PhillipsJ.D., The struture of F-quasigroups, J. Algebra 317

(2007),no.2,435{461.

[9℄KepkaT.,NemeP.,CommutativeMoufangloopsanddistributivegroupoidsofsmallorders,

CzehoslovakMath.J.31(106)(1981),no.4,633{669.

[10℄ Murdoh D.C.,Quasi-groups whih satisfy ertain generalized assoiative laws,Amer.J.

Math.61(1939),509{522.

[11℄ PugfelderH.O.,QuasigroupsandLoops: Introdution,SigmaSeriesinPureMathematis,

7,Heldermann,Berlin,1990.

参照

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