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We define a variety of loops called semiautomorphic, inverse property loops that generalize Moufang and Steiner loops. We first show an equivalence between a previously studied variety of loops. Next we extend several known results for…

Group Theory · Mathematics 2015-02-24 Mark Greer

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…

Group Theory · Mathematics 2025-01-07 Ilan Levin

This paper proves that the variety generated by a centrally nilpotent Moufang loop (or centrally nilpotent A-loop) is finitely based.

Group Theory · Mathematics 2014-05-29 N. I. Sandu

This paper is devoted to the study of universality for a particular continuous action naturally attached to certain pairs of closed subgroups of $S_{\infty}$. It shows that three new concepts, respectively called relative extreme…

Logic · Mathematics 2013-02-19 Lionel Nguyen Van Thé

The correlation functions of the multi-arc complex matrix model are shown to be universal for any finite number of arcs. The universality classes are characterized by the support of the eigenvalue density and are conjectured to fall into…

High Energy Physics - Theory · Physics 2009-10-30 Gernot Akemann

An A-loop is a loop in which every inner mapping is an automorphism. We settle a problem which had been open since 1956 by showing that every diassociative A-loop is Moufang.

Group Theory · Mathematics 2007-05-23 Michael K. Kinyon , Kenneth Kunen , J. D. Phillips

We classify all closed, aspherical Riemannian manifolds M whose universal cover has indiscrete isometry group. One sample application is the theorem that any such M with word-hyperbolic fundamental group must be isometric to a negatively…

Differential Geometry · Mathematics 2007-05-23 Benson Farb , Shmuel Weinberger

Weak-strong coupling duality relations are shown to be present in the quantum-mechanical many-body system with the interacting potential proportional to the pair-wise inverse-squared distance in addition to the harmonic potential. Using…

High Energy Physics - Theory · Physics 2009-11-10 Ivan Andric , Danijel Jurman

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…

Rings and Algebras · Mathematics 2008-04-25 N. I. Sandu

We initiate the systematic study of loop conditions of arbitrary finite width. Each loop condition is a finite set of identities of a particular shape, and satisfaction of these identities in an algebra is characterized by it forcing a…

Rings and Algebras · Mathematics 2021-01-12 Pierre Gillibert , Julius Jonušas , Michael Pinsker

These notes accompany a series of three lectures on automorphic loops to be delivered by the author at Workshops Loops '15 (Ohrid, Macedonia, 2015). Automorphic loops are loops in which all inner mappings are automorphisms. The first paper…

Group Theory · Mathematics 2015-09-21 Petr Vojtěchovský

We construct a Moufang loop $M$ of order $3^{19}$ and a pair $a,b$ of its elements such that the set of all elements of $M$ that associate with $a$ and $b$ does not form a subloop. This is also an example of a nonassociative Moufang loop…

Group Theory · Mathematics 2015-09-03 Ilya B. Gorshkov , Alexandre N. Grichkov , Andrei V. Zavarnitsine

Inspired by recent results of unusual properties of loop processes in relative locality, we introduce a way to classify loops in the case of kappa-Poincare momentum space. We show that the notion of orientability is deeply connected to a…

General Relativity and Quantum Cosmology · Physics 2013-12-16 Lin-Qing Chen

Automorphic loops are loops in which all inner mappings are automorphisms. This variety of loops includes groups and commutative Moufang loops. A half-isomorphism $f : G \longrightarrow K$ between multiplicative systems $G$ and $K$ is a…

Group Theory · Mathematics 2022-03-15 Maria de Lourdes Merlini Giuliani , Giliard Souza dos Anjos

The representation sets of central loops are investigated and the results obtained are used to construct a finite C-loop. It is shown that for certain types of isotopisms, the central identities are isotopic invariant.

General Mathematics · Mathematics 2010-03-10 Temitope Gbolahan Jaiyeola , John Olushola Adeniran

We investigate Moufang loops which can be written as the semidirect product of a loop and a group. We also examine a particular class of loop extensions which arise as a result of a finite cyclic group acting as a group of semiautomorphisms…

Group Theory · Mathematics 2015-02-24 Mark Greer , Lee Raney

A universally valid uncertainty relation proposed by Ozawa is re-investigated under for the generalized equation of motion with some boundary condition. Necessary conditions for violation (lessening) of the Heisenberg-type uncertainty…

Quantum Physics · Physics 2012-12-18 Yoshimasa Kurihara

We define a new variety of loops we call $\Gamma$-loops. After showing $\Gamma$-loops are power associative, our main goal will be showing a categorical isomorphism between Bruck loops of odd order and $\Gamma$-loops of odd order. Once this…

Group Theory · Mathematics 2013-02-12 Mark Greer

Viewing the Cayley-Dickson process as a graded construction provides a rigorous definition of associativity consisting of three classes and the non-associative parts dividing into four types. These simplify the Moufang loop identities and…

Rings and Algebras · Mathematics 2026-02-10 G. P. Wilmot

In this paper we prove a new characterization of the distinguished unipotent orbits of a connected reductive group over an algebraically closed field of characteristic 0. For classical groups we prove the characterization by a combinatorial…

Representation Theory · Mathematics 2024-09-11 Alexander Bertoloni Meli , Teruhisa Koshikawa , Jonathan Leake