Results 1 to 10 of about 149,480 (149)

Symmetric designs and projective special unitary groups $\text{PSU}_{5}(q)$ [PDF]

open access: yesInternational Journal of Group Theory, 2022
In this article‎, ‎we prove that if a nontrivial symmetric $(v‎, ‎k‎, ‎\lambda)$ design admit a flag-transitive and point-primitive automorphism group $G$‎, ‎then the socle $X$ of $G$ cannot be a projective special unitary group of dimension five‎. ‎As a
Ashraf Daneshkhah
doaj   +1 more source

GEOMETRY AND TOPOLOGY OF EXTERNAL AND SYMMETRIC PRODUCTS OF VARIETIES

open access: yesTạp chí Khoa học Đại học Đà Lạt, 2021
We give a brief overview of recent developments on the calculation of generating series for invariants of external products of suitable coefficients (e.g., constructible or coherent sheaves, or mixed Hodge modules) on complex quasi-projective varieties.
Laurentiu George Maxim
doaj   +1 more source

Symmetric group characters as symmetric functions [PDF]

open access: yesAdvances in Mathematics, 2021
35 pages; this is the more complete version of arXiv:1510.00438; v5 differs from previous versions with minor edits and the addition of an appendix about using Sagemath to do computations with these bases (this appendix does not appear in the published journal version)
Orellana, Rosa, Zabrocki, Mike
openaire   +2 more sources

Twisted symmetric group actions [PDF]

open access: yesPacific Journal of Mathematics, 2010
We will show the raitonality of some twisted symmetric group actions.
Hoshi, Akinari, Kang, Ming-chang
openaire   +4 more sources

Algebraic constructions of group divisible designs

open access: yesExamples and Counterexamples, 2023
Some series of Group divisible designs using generalized Bhaskar Rao designs over Dihedral, Symmetric and Alternating groups are obtained.
Shyam Saurabh, Kishore Sinha
doaj   +1 more source

Boolean lattices in finite alternating and symmetric groups

open access: yesForum of Mathematics, Sigma, 2020
Given a group G and a subgroup H, we let $\mathcal {O}_G(H)$ denote the lattice of subgroups of G containing H. This article provides a classification of the subgroups H of G such that $\mathcal {O}_{G}(H)$ is Boolean of rank at least
Andrea Lucchini   +3 more
doaj   +1 more source

Computing the number of symmetric colorings of elementary Abelian groups

open access: yesAlexandria Engineering Journal, 2021
Given a finite group G and a positive integer r, an r-coloring of G is any mapping χ:G→{1,…,r}. Colorings χ and φ are equivalent if there exists g∈G such that χ(xg-1)=φ(x) for all x∈G. A coloring χ is symmetric if there exists g∈G such that χ(gx-1g)=χ(x)
Yuliya Zelenyuk
doaj   +1 more source

QUANTUM ISOMETRY GROUPS OF SYMMETRIC GROUPS [PDF]

open access: yesInternational Journal of Mathematics, 2012
We identify the quantum isometry groups of spectral triples built on the symmetric groups with length functions arising from the nearest-neighbor transpositions as generators. It turns out that they are isomorphic to certain "doubling" of the group algebras of the respective symmetric groups.
Liszka-Dalecki, Jan, Sołtan, Piotr M.
openaire   +2 more sources

Word Measures on Symmetric Groups

open access: yesInternational Mathematics Research Notices, 2022
AbstractFix a word $ w $ in a free group $ \textbf {F}$ on $r$ generators. A $w$-random permutation in the symmetric group $S_{N}$ is obtained by sampling $r$ independent uniformly random permutations $ \sigma _{1},\ldots ,\sigma _{r}\in S_{N}$ and evaluating $w\left (\sigma _{1},\ldots ,\sigma _{r}\right )$.
Hanany, Liam, Puder, Doron
openaire   +3 more sources

Symmetric groups and expanders [PDF]

open access: yesElectronic Research Announcements of the American Mathematical Society, 2005
We construct explicit generating sets F n F_n and F ~ n \tilde F_n of the alternating and the symmetric groups, which turn the Cayley graphs C ( A l t (
openaire   +3 more sources

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