Results 11 to 20 of about 39,756 (284)

Automorphism groups of some families of bipartite graphs

open access: yesElectronic Journal of Graph Theory and Applications, 2021
This paper discusses the automorphism group of a  class of  weakly semiregular bipartite graphs and its subclass called WSBEND graphs.  It also tries to analyse the  automorphism group of the SM sum graphs and SM balancing graphs.
K.G. Sreekumar, K. Manilal
doaj   +2 more sources

On automorphism groups of Toeplitz subshifts [PDF]

open access: yesDiscrete Analysis, 2017
On automorphism groups of Toeplitz subshifts, Discrete Analysis 2017:11, 19 pp. A discrete dynamical system is a space $X$ with some kind of structure, together with a map $\sigma\colon X\to X$ that preserves the structure.
Sebastian Donoso   +3 more
doaj   +2 more sources

AUTOMORPHISM GROUPS OF FREE GROUPS [PDF]

open access: yesJournal of the Australian Mathematical Society, 2008
Abstract This note contains some remarks on generating pairs for automorphism groups of free groups. There has been significant use of electronic assistance. Little of this is used to verify the results.
Newman, Michael
openaire   +4 more sources

L-threo-D-galacto-Octitol: a curious non-classical order-disorder polytype with an 88 Å axis. [PDF]

open access: yesActa Crystallogr B Struct Sci Cryst Eng Mater
The sugar alcohol l‐threo‐d‐galacto‐octitol crystallizes in a structure with P43212 pseudo‐symmetry and a highly elongated unit cell (c ≈ 88 Å). In distinct layers of the structure, symmetry is broken by an asymmetric hydrogen‐bonding network leading to polytypism, which is discussed in the framework of order–disorder theory.GalC8 [l‐threo‐d‐galacto ...
Biedermann N   +5 more
europepmc   +2 more sources

Automorphism Groups of Geometrically Represented Graphs [PDF]

open access: yesSymposium on Theoretical Aspects of Computer Science, 2014
We describe a technique to determine the automorphism group of a geometrically represented graph, by understanding the structure of the induced action on all geometric representations.
Pavel Klavík, Peter Zeman
semanticscholar   +2 more sources

Automorphism groups of cubic fivefolds and fourfolds [PDF]

open access: yesJournal of the London Mathematical Society, 2023
In this paper, we introduce notions of partitionability and characteristic sets of homogeneous polynomials and give a complete classification of groups faithfully acting on smooth cubic fivefolds.
Song Yang, Xun Yu, Zigang Zhu
semanticscholar   +1 more source

The automorphism groups of groups of order $p^{2} q$ [PDF]

open access: yesInternational Journal of Group Theory, 2021
‎We record for reference a detailed description of the automorphism groups of the groups of order $p^{2}q$‎, ‎where $p$ and $q$ are distinct primes‎.
Elena Campedel   +2 more
doaj   +1 more source

Narrow normal subgroups of Coxeter groups and of automorphism groups of Coxeter groups [PDF]

open access: yesJournal of group theroy, 2022
By definition, a group is called narrow if it does not contain a copy of a non-abelian free group. We describe the structure of finite and narrow normal subgroups in Coxeter groups and their automorphism groups.
L. Paris, Olga Varghese
semanticscholar   +1 more source

Distal automorphism groups of Lie groups.

open access: yesJournal für die reine und angewandte Mathematik (Crelles Journal), 1981
Abels H. Distal Automorphism-Groups of Lie-Groups. Journal für die Reine und Angewandte Mathematik.
Abels, Herbert
openaire   +4 more sources

ACTIONS OF AUTOMORPHISM GROUPS OF FREE GROUPS ON SPACES OF JACOBI DIAGRAMS. II [PDF]

open access: yesJournal of the Institute of Mathematics of Jussieu, 2021
The automorphism group $\operatorname {Aut}(F_n)$ of the free group $F_n$ acts on a space $A_d(n)$ of Jacobi diagrams of degree d on n oriented arcs.
Mai Katada
semanticscholar   +1 more source

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