English

About the embedding of Moufang loops in alternative algebras II

Rings and Algebras 2008-04-15 v1

Abstract

It is known that with precision till isomorphism that only and only loops M(F)=M0(F)/<1>M(F) = M_0(F)/<-1>, where M0(F)M_0(F) denotes the loop, consisting from elements of all matrix Cayley-Dickson algebra C(F)C(F) with norm 1, and FF be a subfield of arbitrary fixed algebraically closed field, are simple non-associative Moufang loops. In this paper it is proved that the simple loops M(F)M(F) they and only they are not embedded into a loops of invertible elements of any unitaly alternative algebras if charF2\text{char} F \neq 2 and FF is closed under square root operation. For the remaining Moufang loops such an embedding is possible. Using this embedding it is quite simple to prove the well-known finding: the finite Moufang pp-loop is centrally nilpotent.

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Cite

@article{arxiv.0804.2049,
  title  = {About the embedding of Moufang loops in alternative algebras II},
  author = {N. I. Sandu},
  journal= {arXiv preprint arXiv:0804.2049},
  year   = {2008}
}

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15 pages