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We construct two infinite series of Moufang loops of exponent $3$ whose commutative center (i.e. the set of elements that commute with all elements of the loop) is not a normal subloop. In particular, we obtain examples of such loops of…

群论 · 数学 2021-04-20 Alexander N. Grishkov , Andrei V. Zavarnitsine

Two constructions due to Dr\'apal produce a group by modifying exactly one quarter of the Cayley table of another group. We present these constructions in a compact way, and generalize them to Moufang loops, using loop extensions. Both…

群论 · 数学 2007-05-23 Aleš Drápal , Petr Vojtěchovský

For most (and possibly all) non-associative finite simple Moufang loops, three generators of order 3 can be chosen so that each two of them generate a group isomorphic to $(3, 3 | 3, p)$. The subgroup structure of $(3, 3 | 3, p)$ depends on…

群论 · 数学 2007-05-23 Petr Vojtěchovský

Moufang loops are one of the best-known generalizations of groups. There is only one countable family of nonassociative finite simple Moufang loops, arising from the split octonion algebras. We prove that every member of this family is…

群论 · 数学 2007-05-23 Petr Vojtěchovský

We prove a non-associative analog to the well-known $\frac{5}{8}$ Theorem. Namely, for a finite Moufang loop with nuclear commutators, we show that if the probability that three randomly chosen elements associate is greater than…

群论 · 数学 2025-01-07 Ilan Levin

We use groups with triality to construct a series of nonassociative Moufang loops. Certain members of this series contain an abelian normal subloop with the corresponding quotient being a cyclic group. In particular, we give a new series of…

群论 · 数学 2013-05-16 Alexander N. Grishkov , Andrei V. Zavarnitsine

We present an elementary proof that the nonassociative simple Moufang loops over finite prime fields are generated by three elements. In the last section, we conclude that integral Cayley numbers of unit norm are generated multiplicatively…

群论 · 数学 2007-05-23 Petr Vojtěchovský

We investigate the relation between the structure of a Moufang loop and its inner mapping group. Moufang loops of odd order with commuting inner mappings have nilpotency class at most two. $6$-divisible Moufang loops with commuting inner…

群论 · 数学 2015-09-21 Gábor P. Nagy , Petr Vojtěchovský

Nonassociative finite simple Moufang loops are exactly the loops constructed by Paige from Zorn vector matrix algebras. We prove this result anew, using geometric loop theory. In order to make the paper accessible to a broader audience, we…

群论 · 数学 2007-05-23 Gábor P. Nagy , Petr Vojtěchovský

Automorphic loops are loops in which all inner mappings are automorphisms. This variety of loops includes, for instance, groups and commutative Moufang loops. We study uniquely 2-divisible automorphic loops, particularly automorphic loops…

群论 · 数学 2012-10-08 Michael Kinyon , Ken Kunen , J. D. Phillips , Petr Vojtechovsky

We study abelian-by-cyclic Moufang loops. We construct all split $3$-divisible abelian-by-cyclic Moufang loops from so-called Moufang permutations on abelian groups $(X,+)$, which are permutations that deviate from an automorphism of…

群论 · 数学 2023-01-11 Aleš Drápal , Petr Vojtěchovský

We present a construction of gauge theory which its structure group is not a Lie group, but a Moufang loop which is essentially non-associative. As an example of non-associative algebra, we take octonions with norm one as a Moufang loop,…

高能物理 - 理论 · 物理学 2007-05-23 Takayoshi Ootsuka , Erico Tanaka , Eugene Loginov

Let $G$ be a finite group and $C_2$ the cyclic group of order 2. Consider the 8 multiplicative operations $(x,y)\mapsto (x^iy^j)^k$, where $i$, $j$, $k\in\{-1, 1\}$. Define a new multiplication on $G\times C_2$ by assigning one of the above…

群论 · 数学 2007-05-23 Petr Vojtěchovský

We introduce a class of non-Moufang loops satisfying the Moufang's theorem.

组合数学 · 数学 2016-04-26 Izabella Stuhl

Let a Moufang loop Q contain a non-unitary subloop, which is a simple loop. Then Q is not embedded into a loop of invertible elements of any alternative algebra.

环与代数 · 数学 2011-02-08 Nicolae Sandu

It is proved that the following conditions are equivalent for an infinite non-associative commutative Moufang loop $Q$: 1) $Q$ satisfies the minimum condition for subloops; 2) if the loop $Q$ contains a centrally solvable subloop of class…

环与代数 · 数学 2008-04-25 N. I. Sandu

We show how to obtain all nonassociative Moufang loops of order less than 64 and 4262 nonassociative Moufang loops of order 64 in a unified way. We conjecture that there are no other nonassociative Moufang loops of order 64. The main idea…

群论 · 数学 2007-05-23 Petr Vojtěchovský

An open problem in theory of loops is to find the variety of non- Moufang loops satisfying the Moufang Theorem. In this note, we present a variety of local smooth diassociative loops with such property.

Code loops are certain Moufang $2$-loops constructed from doubly even binary codes that play an important role in the construction of local subgroups of sporadic groups. More precisely, code loops are central extensions of the group of…

群论 · 数学 2017-12-19 E. A. O'Brien , Petr Vojtěchovský

We derive presentations for Moufang loops of type $M(G,2)$, defined by Chein, with $G$ finite, two-generated. We then use $G=S_3$ to visualize the smallest non-associative Moufang loop.

群论 · 数学 2007-05-23 Petr Vojtěchovský
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