Results 91 to 100 of about 1,000,341 (271)

Invertible Graphs of Finite Groups [PDF]

open access: yesComputer Science Journal of Moldova, 2018
We investigate some properties of invertible graphs of finite groups, which are newly defined in this paper. The main results have been proved using finite group classification.
T. Chalapathi, R.V.M.S.S. Kiran Kumar
doaj  

Stacking‐Engineered Magnonic Topology and Transport in Honeycomb Homobilayers

open access: yesAdvanced Functional Materials, EarlyView.
ABSTRACT Topological magnons have emerged as a promising platform for dissipationless bosonic transport. However, a straightforward and effective strategy to engineer such topological states in real materials has yet to be fully realized. Here, a general scheme for controlling magnonic topological states via stacking engineering in van der Waals ...
Xiaoran Feng   +6 more
wiley   +1 more source

Character expansiveness in finite groups [PDF]

open access: yesInternational Journal of Group Theory, 2013
We say that a finite group $G$ is conjugacy expansive if for anynormal subset $S$ and any conjugacy class $C$ of $G$ the normalset $SC$ consists of at least as many conjugacy classes of $G$ as$S$ does.
Attila Maroti   +2 more
doaj  

Some New Applications of Weakly ℋ-Embedded Subgroups of Finite Groups

open access: yesMathematics, 2019
A subgroup H of a finite group G is said to be weakly H -embedded in G if there exists a normal subgroup T of G such that H G = H T and H ∩ T ∈ H ( G ) , where H G is the normal closure of H in G, and H ( G )
Li Zhang, Li-Jun Huo, Jia-Bao Liu
doaj   +1 more source

Imaging of Biphoton States: Fundamentals and Applications

open access: yesAdvanced Functional Materials, EarlyView.
Quantum states of two photons exhibit a rich polarization and spatial structure, which provides a fundamental resource of strongly correlated and entangled states. This review analyzes the physics of these intriguing properties and explores the various techniques and technologies available to measure them, including the state of the art of their ...
Alessio D'Errico, Ebrahim Karimi
wiley   +1 more source

Inverse Ambiguous Functions and Automorphisms on Finite Groups

open access: yesAnnales Mathematicae Silesianae, 2019
If G is a finite group, then a bijective function f : G → G is inverse ambiguous if and only if f(x)−1 = f−1(x) for all x ∈ G. We give a precise description when a finite group admits an inverse ambiguous function and when a finite group admits an ...
Toborg Imke
doaj   +1 more source

Powers in finite groups

open access: yesGroups, Geometry, and Dynamics, 2011
If G is a finitely generated profinite group then the verbal subgroup G^{q} is open. In a d -generator finite group every product of q
Segal, D, Nikolov, N
openaire   +5 more sources

Quasi‐Static to Supersonic Energy Absorption of Nanoarchitected Tubulanes and Schwarzites

open access: yesAdvanced Functional Materials, EarlyView.
Nanoarchitected energy‐absorptive Tubulanes exhibit record energy absorption under quasi‐static conditions and exceptional inelastic energy dissipation under 750 m s−1 ballistics impact, with high performance spanning strain rates of 12 orders of magnitude.
Peter Serles   +16 more
wiley   +1 more source

Zoology of Atlas-Groups: Dessins D’enfants, Finite Geometries and Quantum Commutation

open access: yesMathematics, 2017
Every finite simple group P can be generated by two of its elements. Pairs of generators for P are available in the Atlas of finite group representations as (not necessarily minimal) permutation representations P .
Michel Planat, Hishamuddin Zainuddin
doaj   +1 more source

Finite simple groups and finite primitive permutation groups [PDF]

open access: yesBulletin of the Australian Mathematical Society, 1983
The classification of the finite simple groups has had far-reaching consequences for many branches of algebra. This paper is a discussion of several problems about primitive permutation groups which have been solved using the simple group classification.
openaire   +2 more sources

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