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Related papers: Local Moufang sets and PSL_2 over a local ring

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In this paper, we further investigate the local criterion and present a class of permutation polynomials and their compositional inverses over $ \mathbb{F}_{q^2}$. Additionally, we demonstrate that linearized polynomial over…

Number Theory · Mathematics 2024-09-30 Danyao Wu , Pingzhi Yuan

Using groups with triality we obtain some general multiplication formulas in Moufang loops, construct Moufang extensions of abelian groups, and describe the structure of minimal extensions for finite simple Moufang loops over abelian…

Group Theory · Mathematics 2016-06-22 Alexander N. Grishkov , Andrei V. Zavarnitsine

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…

Group Theory · Mathematics 2023-01-11 Aleš Drápal , Petr Vojtěchovský

We announce various results concerning the structure of compactly generated simple locally compact groups. We introduce a local invariant, called the structure lattice, which consists of commensurability classes of compact subgroups with…

Group Theory · Mathematics 2014-05-15 Pierre-Emmanuel Caprace , Colin D. Reid , George A. Willis

We study a number of local and global classification problems in generalized complex geometry. In the first topic, we characterize the local structure of generalized complex manifolds by proving that a generalized complex structure near a…

Differential Geometry · Mathematics 2012-05-27 Michael Bailey

Let $F_q$ be the finite field with $q$ elements and $F_q[x_1,\ldots, x_n]$ the ring of polynomials in $n$ variables over $F_q$. In this paper we consider permutation polynomials and local permutation polynomials over $F_q[x_1,\ldots, x_n]$,…

Combinatorics · Mathematics 2023-08-30 Jaime Gutierrez , Jorge Jimenez Urroz

An approach to modelling random sets with locally finite perimeter as random elements in the corresponding subspace of $L^1$ functions is suggested. A Crofton formula for flat sections of the perimeter is shown. Finally, random processes of…

Probability · Mathematics 2017-02-14 Jan Rataj

We study the local structure of Lie bialgebroids at regular points. In particular, we classify all transitive Lie bialgebroids. In special cases, they are connected to classical dynamical $r$-matrices and matched pairs induced by Poisson…

Differential Geometry · Mathematics 2007-05-23 Zhang-Ju Liu , Ping Xu

Let $F(z)$ be an arbitrary complex polynomial. We introduce the local root clustering problem, to compute a set of natural $\varepsilon$-clusters of roots of $F(z)$ in some box region $B_0$ in the complex plane. This may be viewed as an…

Symbolic Computation · Computer Science 2021-05-12 Ruben Becker , Michael Sagraloff , Vikram Sharma , Juan Xu , Chee Yap

In this paper, we define locally matchable subsets of a group which is extracted from the concept of matchings in groups and used as a tool to give alternative proofs for existing results in matching theory. We also give the linear analogue…

Group Theory · Mathematics 2019-10-28 Mohsen Aliabadia , Mano Vikash Janardhanan

In this paper, we provide a local method to find compositional inverses of all PPs, some new PPs and their compositional inverses are given.

Number Theory · Mathematics 2022-11-21 Pingzhi Yuan

We construct elementary subgroups of all reductive groups of the local isotropic rank $\geq 2$ over rings and prove their basic properties. In particular, our results may be applied to the automorphism groups of any finitely generated…

Group Theory · Mathematics 2026-05-08 Egor Voronetsky

Permutation polynomials of finite fields have many applications in Coding Theory, Cryptography and Combinatorics. In the first part of this paper we present a new family of local permutation polynomials based on a class of symmetric…

Discrete Mathematics · Computer Science 2022-05-03 Jaime Gutierrez , Jorge Jimenez Urroz

In this paper, we define locally matchable subsets of a group which is derived from the concept of matchings in groups and used as a tool to give alternative proofs for existing results in matching theory. We also give the linear analogue…

Combinatorics · Mathematics 2018-08-08 Mohsen Aliabadi , Mano Vikash Janardhanan

Suzuki classified all Zassenhaus groups of finite odd degree. He showed that such a group is either isomorphic to a Suzuki group or to $\PSL(2,q)$ with $q$ a power of $2$. In this paper we give another proof of this result using the…

Group Theory · Mathematics 2010-11-29 Barbara Baumeister , Matthias Grueninger

We obtain structure results for locally conformally symplectic Lie algebras. We classify locally conformally symplectic structures on four-dimensional Lie algebras and construct locally conformally symplectic structures on compact quotients…

Differential Geometry · Mathematics 2023-06-13 Daniele Angella , Giovanni Bazzoni , Maurizio Parton

Departing from a Moufang set related to a polarity in an exceptional Moufang quadrangle of type F_4, we construct a rank three geometry. The main property of this new geometry is that its automorphism group is identical to the one of the…

Group Theory · Mathematics 2009-09-18 Koen Struyve

Local log-regular rings are a certain class of Cohen-Macaulay local rings that are treated in logarithmic geometry. Our paper aims to provide purely commutative ring theoretic proof of some ring-theoretic properties of local log-regular…

Commutative Algebra · Mathematics 2025-04-08 Shinnosuke Ishiro

Generalizing the concept of the Macaulay inverse system, we introduce a way to describe localizations of an ideal in a polynomial ring. This leads to an approach to the differential primary decomposition as a description of the affine…

Commutative Algebra · Mathematics 2024-12-03 Justin Chen , Marc Härkönen , Anton Leykin

We study topological groups of monotonic autohomeomorphisms on a generalized ordered space $L$. We find a condition that is necessary and sufficient for the set of all monotonic autohomeomorphisms on $L$ along with the function composition…

General Topology · Mathematics 2022-12-20 Raushan Buzyakova