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Symmetry, Volume 14, Issue 10

2022 October - 270 articles

Cover Story: If it were possible to define and evaluate Euclidean functional integrals for gravity by considering only finite-perimeter sets in the sum over histories, one might exploit the concepts and tools of geometric measure theory. This paper prepares the ground for such a program, by studying the concept of generalized normal in non-Euclidean spaces. In the hyperbolic plane, we define an n-sided hyperbolic polygon. The polygon is built by considering the unique geodesic that connects the n+2 vertices. The geodesics which link the vertices are Euclidean semicircles centred on the real axis. The vector normal to the geodesic linking two consecutive vertices is evaluated and turns out to be discontinuous. View this paper
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Articles (270)

  • Article
  • Open Access
3 Citations
2,071 Views
16 Pages

Sandwich Theorems for a New Class of Complete Homogeneous Symmetric Functions by Using Cyclic Operator

  • Intissar Abdulhur Kadum,
  • Waggas Galib Atshan and
  • Areej Tawfeeq Hameed

21 October 2022

In this paper, we discuss and introduce a new study on the connection between geometric function theory, especially sandwich theorems, and Viete’s theorem in elementary algebra. We obtain some conclusions for differential subordination and supe...

  • Article
  • Open Access
2 Citations
2,960 Views
25 Pages

21 October 2022

Symmetric and asymmetric patterns are fascinating phenomena that show a level of co-existence in mobile application behavior analyses. For example, static phenomena, such as information sharing through collaboration with known apps, is a good example...

  • Article
  • Open Access
1,833 Views
10 Pages

21 October 2022

The space-time geometry is rooted in the Minkowski 4-manifold. Minkowski and Euclidean topological 4-manifolds behave differently in view of compactness and local homogeneity. As a result, Zeno sequences are selectively admitted in such topological s...

  • Article
  • Open Access
5 Citations
2,407 Views
28 Pages

Remarks on Fractal-Fractional Malkus Waterwheel Model with Computational Analysis

  • Liliana Guran,
  • Esra Karataş Akgül,
  • Ali Akgül and
  • Monica-Felicia Bota

21 October 2022

In this paper, we investigate the fractal-fractional Malkus Waterwheel model in detail. We discuss the existence and uniqueness of a solution of the fractal-fractional model using the fixed point technique. We apply a very effective method to obtain...

  • Article
  • Open Access
11 Citations
3,132 Views
11 Pages

21 October 2022

In this paper, a metamaterial absorber with a checkerboard patterned ITO (indium tin oxide) film as the surface is obtained by using flexible and optically transparent wave-absorbing material ITO–PET (polyethylene terephthalate), and a coding a...

  • Article
  • Open Access
6 Citations
2,108 Views
14 Pages

Hidden Euclidean Dynamical Symmetry in the U(n + 1) Vibron Model

  • Yu Zhang,
  • Zi-Tong Wang,
  • Hong-Di Jiang and
  • Xin Chen

21 October 2022

Based on the boson realization of the Euclidean algebras, it is found that the E(n) dynamical symmetry (DS) may emerge at the critical point of the U(n)-SO(n+1) quantum phase transition. To justify this finding, we provide a detailed analysis of the...

  • Article
  • Open Access
9 Citations
3,576 Views
16 Pages

High-Order Topology-Enhanced Graph Convolutional Networks for Dynamic Graphs

  • Jiawei Zhu,
  • Bo Li,
  • Zhenshi Zhang,
  • Ling Zhao and
  • Haifeng Li

21 October 2022

Understanding the evolutionary mechanisms of dynamic graphs is crucial since dynamic is a basic characteristic of real-world networks. The challenges of modeling dynamic graphs are as follows: (1) Real-world dynamics are frequently characterized by g...

  • Article
  • Open Access
3 Citations
2,476 Views
30 Pages

Topological Data Analysis of m-Polar Spherical Fuzzy Information with LAM and SIR Models

  • Rukhsana Kausar,
  • Shaista Tanveer,
  • Muhammad Riaz,
  • Dragan Pamucar and
  • Cirovic Goran

20 October 2022

The concept of m-polar spherical fuzzy sets (mPSFS) is a combination of m-polar fuzzy sets (mPFS) and spherical fuzzy sets (SFS). An mPSFS is an optimal strategy for addressing multipolarity and fuzziness in terms of ordered triples of positive membe...

  • Feature Paper
  • Article
  • Open Access
2,139 Views
12 Pages

20 October 2022

Currently, spatially localized electron densities and currents are considered to be candidates for use in the encoding of quantum information. For this reason, the control of their temporal dynamics is an important task. In this work, the spatiotempo...

  • Feature Paper
  • Article
  • Open Access
22 Citations
5,850 Views
15 Pages

Toward a New Generation of Compact Transportable Yb+ Optical Clocks

  • Ksenia Khabarova,
  • Denis Kryuchkov,
  • Alexander Borisenko,
  • Ilia Zalivako,
  • Ilya Semerikov,
  • Mikhail Aksenov,
  • Ivan Sherstov,
  • Timur Abbasov,
  • Anton Tausenev and
  • Nikolay Kolachevsky

20 October 2022

Optical atomic clocks are currently one of the most sensitive tools making it possible to precisely test the fundamental symmetry properties of spacetime and Einstein’s theory of relativity. At the same time, the extremely high stability and ac...

  • Feature Paper
  • Article
  • Open Access
5 Citations
2,966 Views
20 Pages

Molecular Symmetry of Permethylated β-Cyclodextrins upon Complexation

  • Kostas Bethanis,
  • Elias Christoforides,
  • Athena Andreou and
  • Elias Eliopoulos

20 October 2022

The Cn molecular symmetry implicated by the schemes with which cyclodextrins (CDs), the well-known cyclic oligosaccharides, are introduced in the literature, is not valid. Numerous studies have shown that CDs are rather flexible with their macrocycle...

  • Article
  • Open Access
22 Citations
2,859 Views
18 Pages

Impact of Irregular Heat Sink/Source on the Wall Jet Flow and Heat Transfer in a Porous Medium Induced by a Nanofluid with Slip and Buoyancy Effects

  • Umair Khan,
  • Aurang Zaib,
  • Anuar Ishak,
  • Samia Elattar,
  • Sayed M. Eldin,
  • Zehba Raizah,
  • Iskandar Waini and
  • Muhammad Waqas

20 October 2022

In many industries, extremely high-performance cooling is a crucial requirement. However, the fundamental challenge to developing energy-efficient heat transfer fluids required for cooling is insufficient thermal conductivity. In this case, the utili...

  • Feature Paper
  • Article
  • Open Access
5 Citations
2,936 Views
25 Pages

20 October 2022

We describe the behavior of an Ising model with orthogonal dynamics, where changes in energy and changes in alignment never occur during the same Monte Carlo (MC) step. This orthogonal Ising model (OIM) allows conservation of energy and conservation...

  • Article
  • Open Access
2 Citations
2,454 Views
24 Pages

Effect of Heat Treatment on the Vibration Isolation Performance of Axially Symmetric NiTi Wire Mesh Damper

  • Yichuan Shao,
  • Mingyang Su,
  • Yaoqiang Wei,
  • Jinyu Wang,
  • Yiwan Wu,
  • Xiaochao Chen,
  • Hongbai Bai and
  • Xin Xue

20 October 2022

In this paper, superelastic (SE) NiTi wire is used to fabricate axially symmetric wire mesh dampers (WMDs) with the expectation of a higher damping capacity. However, the phase transformation damping of the NiTi WMD could be suppressed by the cold-wo...

  • Article
  • Open Access
12 Citations
3,035 Views
13 Pages

Application of the Learning Automaton Model for Ensuring Cyber Resiliency

  • Maxim Kalinin,
  • Tigran Ovasapyan and
  • Maria Poltavtseva

20 October 2022

This work addresses the functional approach to ensuring cyber resiliency as a kind of adaptive security management. For this purpose, we propose a learning automaton model capable of self-learning and adapting to changes while interacting with the ex...

  • Article
  • Open Access
2,146 Views
20 Pages

20 October 2022

In this paper, we demonstrate how various external forces influence the effect of the radiation of a charged particle. As a particular example, we obtained a solution to the Dirac equation for an electron in a constant homogeneous magnetic field and...

  • Article
  • Open Access
6 Citations
2,253 Views
14 Pages

Perturbed Newton Methods for Solving Nonlinear Equations with Applications

  • Ioannis K. Argyros,
  • Samundra Regmi,
  • Stepan Shakhno and
  • Halyna Yarmola

20 October 2022

Symmetries play an important role in the study of a plethora of physical phenomena, including the study of microworlds. These phenomena reduce to solving nonlinear equations in abstract spaces. Therefore, it is important to design iterative methods f...

  • Article
  • Open Access
2 Citations
1,868 Views
25 Pages

Fractional Jensen-Mercer Type Inequalities Involving Generalized Raina’s Function and Applications

  • Kamsing Nonlaopon,
  • Muhammad Uzair Awan,
  • Usama Asif,
  • Muhammad Zakria Javed,
  • Ibrahim Slimane and
  • Artion Kashuri

19 October 2022

The aim of this paper is to derive some new generalized fractional analogues of Mercer type inequalities, essentially using the convexity property of the functions and Raina’s function. We also discuss several new special cases which show that...

  • Article
  • Open Access
1 Citations
2,421 Views
20 Pages

19 October 2022

With regard to the interval number-based uncertain multi-attribute decision making problem, in which the attribute weights are unknown and there is no preference on decision-making alternative objects, this paper presents a new decision-making approa...

  • Article
  • Open Access
4 Citations
1,840 Views
12 Pages

A Study on Special Kinds of Derivations in Ordered Hyperrings

  • Yongsheng Rao,
  • Saeed Kosari,
  • Aysha Khan and
  • Nategh Abbasizadeh

19 October 2022

In this study, we concentrate on an important class of ordered hyperstructures with symmetrical hyperoperations, which are called ordered Krasner hyperrings, and discuss strong derivations and homo-derivations. Additionally, we apply our results on n...

  • Article
  • Open Access
1 Citations
1,729 Views
19 Pages

Noncommutative Bispectral Algebras and Their Presentations

  • Brian D. Vasquez Campos and
  • Jorge P. Zubelli

19 October 2022

We prove a general result on presentations of finitely generated algebras and apply it to obtain nice presentations for some noncommutative algebras arising in the matrix bispectral problem. By “nice presentation”, we mean a presentation...

  • Article
  • Open Access
4 Citations
2,654 Views
18 Pages

19 October 2022

A Fault Attack (FA) is performed mainly under the data corruption model and poses a threat to security chips. Instruction corruption can enact the same purpose at the behavioral level, which is produced by interfering with the instruction system. Las...

  • Article
  • Open Access
13 Citations
2,319 Views
15 Pages

Certain Coefficient Problems for q-Starlike Functions Associated with q-Analogue of Sine Function

  • Yusra Taj,
  • Saira Zainab,
  • Qin Xin,
  • Ferdous M. O. Tawfiq,
  • Mohsan Raza and
  • Sarfraz Nawaz Malik

19 October 2022

This study introduces a subclass Sqs* of starlike functions associated with the q-analogue of the sine function defined in symmetric unit disk. This article comprises the investigation of sharp coefficient bounds, and the upper bound of the third-ord...

  • Article
  • Open Access
1 Citations
2,355 Views
21 Pages

FPGA Hardware Realization of Membrane Calculation Optimization Algorithm with Great Parallelism

  • Qi Song,
  • Yourui Huang,
  • Wenhao Lai,
  • Jiachang Xu,
  • Shanyong Xu,
  • Tao Han and
  • Xue Rong

19 October 2022

Aiming to investigate the disadvantage of the optimization algorithm of membrane computing (a P system) in which it is difficult to take advantage of parallelism in MATLAB, leading to a slow optimization speed, a digital-specific hardware solution (f...

  • Feature Paper
  • Article
  • Open Access
4 Citations
2,862 Views
27 Pages

19 October 2022

Differing from present structural design procedures, most of the existing glass windows and even historic components in traditional/old buildings are not specifically designed to resist possible accidental loads. Rather thin monolithic ordinary annea...

  • Article
  • Open Access
10 Citations
3,005 Views
20 Pages

Artificial Intelligence-Based Diabetes Diagnosis with Belief Functions Theory

  • Ameni Ellouze,
  • Omar Kahouli,
  • Mohamed Ksantini,
  • Haitham Alsaif,
  • Ali Aloui and
  • Bassem Kahouli

19 October 2022

We compared various machine learning (ML) methods, such as the K-nearest neighbor (KNN), support vector machine (SVM), and decision tree and deep learning (DL) methods, like the recurrent neural network, convolutional neural network, long short-term...

  • Feature Paper
  • Article
  • Open Access
3 Citations
1,869 Views
15 Pages

19 October 2022

We consider the fluctuation-induced (Casimir) pressure in peptide films deposited on GaAs, Ge, and ZnS substrates which are either in a dielectric or metallic state. The calculations of the Casimir pressure are performed in the framework of the funda...

  • Article
  • Open Access
9 Citations
3,786 Views
12 Pages

Is Asymmetry Different Depending on How It Is Calculated?

  • Mario Iglesias-Caamaño,
  • Tania Álvarez-Yates,
  • Javier Carballo-López,
  • Alba Cuba-Dorado and
  • Óscar García-García

19 October 2022

This study aimed to (1) determine the magnitude and direction of asymmetry in volleyball players, (2) establish asymmetry thresholds, and (3) explore differences depending on the test used and the players’ category. Twenty-nine junior and senio...

  • Article
  • Open Access
2 Citations
5,308 Views
13 Pages

Small Area Estimation Using a Semiparametric Spatial Model with Application in Insurance

  • Seyede Elahe Hosseini,
  • Davood Shahsavani,
  • Mohammad Reza Rabiei,
  • Mohammad Arashi and
  • Hossein Baghishani

18 October 2022

Additional information and borrowing strength from the related sites and other sources will improve estimation in small areas. Generalized linear mixed-effects models (GLMMs) have been frequently used in small area estimation; however, the relationsh...

  • Article
  • Open Access
8 Citations
3,220 Views
15 Pages

18 October 2022

Several use cases appear with 5G and beyond networks such as enhanced mobile broadband (eMBB), where ultra-high data rates and low-latency connections become essential demands for asymmetric services, e.g., 8K video streaming and virtual reality (VR)...

  • Article
  • Open Access
11 Citations
1,992 Views
13 Pages

18 October 2022

In this paper, we are interested in studying the oscillation of differential equations with a damping term and distributed delay. We establish new criteria that guarantee the oscillation of the third-order differential equation in terms of oscillatio...

  • Article
  • Open Access
2,380 Views
10 Pages

18 October 2022

The adaptive cubic regularization method solves an unconstrained optimization model by using a three-order regularization term to approximate the objective function at each iteration. Similar to the trust-region method, the calculation of the sub-pro...

  • Article
  • Open Access
7 Citations
1,999 Views
23 Pages

Jensen-Mercer Type Inequalities in the Setting of Fractional Calculus with Applications

  • Bandar Bin-Mohsin,
  • Muhammad Zakria Javed,
  • Muhammad Uzair Awan,
  • Marcela V. Mihai,
  • Hüseyin Budak,
  • Awais Gul Khan and
  • Muhammad Aslam Noor

18 October 2022

The main objective of this paper is to establish some new variants of the Jensen–Mercer inequality via harmonically strongly convex function. We also propose some new fractional analogues of Hermite–Hadamard–Jensen–Mercer-like...

  • Article
  • Open Access
2,230 Views
13 Pages

18 October 2022

The aim of this paper is to investigate the solution of the following difference equation zn+1=(pn)1,nN0,N0=N0 where pn=a+bzn+czn1zn with the parameters a, b, c and the initial values z1,z0 are nonzero quaternions such...

  • Article
  • Open Access
3 Citations
2,322 Views
14 Pages

18 October 2022

The MoS2 surface plasmon resonance structure is proposed as a THz absorber in this work. The absorber adopts a double layer structure of Archimedean spirals stacked with split rings. In 1.2–3.0 THz, the absorption is greater than 92%, and the r...

  • Article
  • Open Access
16 Citations
2,258 Views
16 Pages

Applications of Symmetric Quantum Calculus to the Class of Harmonic Functions

  • Mohammad Faisal Khan,
  • Isra Al-Shbeil,
  • Najla Aloraini,
  • Nazar Khan and
  • Shahid Khan

18 October 2022

In the past few years, many scholars gave much attention to the use of q-calculus in geometric functions theory, and they defined new subclasses of analytic and harmonic functions. While using the symmetric q-calculus in geometric function theory, ve...

  • Article
  • Open Access
1 Citations
1,740 Views
16 Pages

Asymptotic Rules of Equilibrium Desingularization

  • Yakov Krasnov and
  • Iris Rabinowitz

18 October 2022

A local bifurcation analysis of a high-dimensional dynamical system dxdt=f(x) is performed using a good deformation of the polynomial mapping P:CnCn. This theory is used to construct geometric aspects of the resolution of multiple zeros of the...

  • Article
  • Open Access
4 Citations
1,931 Views
21 Pages

18 October 2022

Based on some geometrical properties (symmetries and global analytic first integrals) of the Rabinovich system the closed-form solutions of the equations have been established. The chaotic behaviors are excepted. Moreover, the Rabinovich system is re...

  • Article
  • Open Access
2 Citations
1,576 Views
13 Pages

18 October 2022

Generalized modus ponens (GMP) is a basic model of approximate reasoning. GMP in fuzzy propositions is called fuzzy modus ponen (FMP) and it is called intuitionistic fuzzy modus ponens (IFMP) when fuzzy propositions are generalized to intuitionistic...

  • Article
  • Open Access
4 Citations
1,531 Views
16 Pages

Some New Bennett–Leindler Type Inequalities via Conformable Fractional Nabla Calculus

  • Ghada AlNemer,
  • Mohammed Zakarya,
  • Roqia Butush and
  • Haytham M. Rezk

18 October 2022

In this article, we prove several new fractional nabla Bennett–Leindler dynamic inequalities with the help of a simple consequence of Keller’s chain rule, integration by parts, mean inequalities and Hölder’s inequality for the...

  • Article
  • Open Access
8 Citations
2,775 Views
20 Pages

17 October 2022

In this paper, natural convective heat transfer in a rectangular cavity filled with (50% CuO-50% Al2O3)/water hybrid nanofluids connected to a wall containing a phase change material (PCM) has been experimentally investigated. The vertical walls were...

  • Review
  • Open Access
1 Citations
3,203 Views
10 Pages

First and Second Sound in Two-Dimensional Bosonic and Fermionic Superfluids

  • Luca Salasnich,
  • Alberto Cappellaro,
  • Koichiro Furutani,
  • Andrea Tononi and
  • Giacomo Bighin

17 October 2022

We review our theoretical results of the sound propagation in two-dimensional (2D) systems of ultracold fermionic and bosonic atoms. In the superfluid phase, characterized by the spontaneous symmetry breaking of the U(1) symmetry, there is the coexis...

  • Article
  • Open Access
8 Citations
3,545 Views
23 Pages

Analysis of MHD Falkner–Skan Boundary Layer Flow and Heat Transfer Due to Symmetric Dynamic Wedge: A Numerical Study via the SCA-SQP-ANN Technique

  • Kamsing Nonlaopon,
  • Muhammad Fawad Khan,
  • Muhammad Sulaiman,
  • Fahad Sameer Alshammari and
  • Ghaylen Laouini

17 October 2022

This article considers Falkner–Skan flow over a dynamic and symmetric wedge under the influence of a magnetic field. The Hall effect on a magnetic field is negligible for small magnetic Reynolds numbers. The magnetic field B(x) is considered ov...

  • Article
  • Open Access
1 Citations
1,753 Views
24 Pages

Construction of Virtual Interaction Location Prediction Model Based on Distance Cognition

  • Zhenghong Liu,
  • Huiliang Zhao,
  • Jian Lv,
  • Qipeng Chen and
  • Qiaoqiao Xiong

17 October 2022

Due to the difference in distance cognition between virtual and real symmetric space, it is difficult for users to accurately interact with the target in the Digital Twin system. In order to study the cross-effects of interaction task, target size an...

  • Article
  • Open Access
1 Citations
1,566 Views
11 Pages

Features of Fermion Dynamics Revealed by SU2 Symmetry

  • Angelo Plastino,
  • Gustavo Luis Ferri and
  • Angel Ricardo Plastino

17 October 2022

We deal here with the notion of statistical order and apply it to a system of interacting fermions endowed with an SU2 × SU2 symmetry. The discussion takes place in a thermal quantum statistical scenario. Two distinct fermion–fermion inte...

  • Feature Paper
  • Article
  • Open Access
4 Citations
2,726 Views
17 Pages

Monitoring Dropping Densities with Unmanned Aerial Vehicles (UAV): An Effective Tool to Assess Distribution Patterns in Field Utilization by Foraging Geese

  • Johan H. Funder Castenschiold,
  • Jonas Beltoft Gehrlein,
  • Mads Bech-Hansen,
  • Rune M. Kallehauge,
  • Cino Pertoldi and
  • Dan Bruhn

17 October 2022

Counting of droppings is often, with great effect, used as an indirect method to monitor the appearance and usage of an area by a population covering longer time spans. However, manual detecting and counting of droppings can be time-consuming and ted...

  • Review
  • Open Access
7 Citations
4,469 Views
18 Pages

The Effects of Inter-Limb Asymmetry on Change of Direction Performance: A Systematic Review

  • Junlei Lin,
  • Jie Shen,
  • Aiguo Zhou,
  • Georgian Badicu and
  • Wilhelm Robert Grosz

17 October 2022

Objectives: This review aimed to clarify the associations between COD performance and asymmetries on horizontal jumping, vertical jumping, and strength. Methods: Three databases, including PubMed, Web of Science, and MEDLINE(EBSCOhost) were used to p...

  • Article
  • Open Access
45 Citations
2,235 Views
12 Pages

17 October 2022

In this article, the stochastic Davey–Stewartson equations (SDSEs) forced by multiplicative noise are addressed. We use the mapping method to find new rational, elliptic, hyperbolic and trigonometric functions. In addition, we generalize some p...

  • Article
  • Open Access
9 Citations
2,544 Views
18 Pages

Noether Symmetries and Conservation Laws in Non-Static Plane Symmetric Spacetime

  • Muhammad Farhan,
  • Tahir Hussain,
  • Fatima Azmi and
  • Nabil Mlaiki

17 October 2022

In this paper, we find all nonstatic plane symmetric spacetime metrics whose corresponding Lagrangians possess Noether symmetries. The set of determining equations is analyzed through a Maple algorithm that restricts the metric coefficients to satisf...

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Symmetry - ISSN 2073-8994