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  • Feature Paper
  • Review
  • Open Access
214 Citations
11,836 Views
69 Pages

Recent Advances in Inflation

  • Sergei D. Odintsov,
  • Vasilis K. Oikonomou,
  • Ifigeneia Giannakoudi,
  • Fotis P. Fronimos and
  • Eirini C. Lymperiadou

5 September 2023

We review recent trends in inflationary dynamics in the context of viable modified gravity theories. After providing a general overview of the inflationary paradigm emphasizing on what problems hot Big Bang theory inflation solves, and a somewhat int...

  • Article
  • Open Access
107 Citations
8,552 Views
18 Pages

11 December 2023

In the realm of data analysis and machine learning, achieving an optimal balance of feature importance, known as feature weighting, plays a pivotal role, especially when considering the nuanced interplay between the symmetry of data distribution and...

  • Review
  • Open Access
93 Citations
20,570 Views
44 Pages

A Systematic Literature Review on Identifying Patterns Using Unsupervised Clustering Algorithms: A Data Mining Perspective

  • Mahnoor Chaudhry,
  • Imran Shafi,
  • Mahnoor Mahnoor,
  • Debora Libertad Ramírez Vargas,
  • Ernesto Bautista Thompson and
  • Imran Ashraf

31 August 2023

Data mining is an analytical approach that contributes to achieving a solution to many problems by extracting previously unknown, fascinating, nontrivial, and potentially valuable information from massive datasets. Clustering in data mining is used f...

  • Article
  • Open Access
83 Citations
4,078 Views
31 Pages

14 May 2023

With the explosion of the generation, transmission and sharing of image data over the Internet and other unsecured networks, the need for and significance of the development of novel image encryption algorithms are unprecedented. In this research wor...

  • Article
  • Open Access
76 Citations
2,849 Views
26 Pages

10 April 2023

In many disciplines, including pattern recognition, data mining, machine learning, image analysis, and bioinformatics, data clustering is a common analytical tool for data statistics. The majority of conventional clustering techniques are slow to con...

  • Article
  • Open Access
75 Citations
2,899 Views
19 Pages

The Analysis of Bifurcation, Quasi-Periodic and Solitons Patterns to the New Form of the Generalized q-Deformed Sinh-Gordon Equation

  • Syeda Sarwat Kazmi,
  • Adil Jhangeer,
  • Nauman Raza,
  • Haifa I. Alrebdi,
  • Abdel-Haleem Abdel-Aty and
  • Hichem Eleuch

28 June 2023

In this manuscript, a new form of the generalized q-deformed Sinh-Gordon equation is investigated which could model physical systems with broken symmetries and to incorporate phenomena involving amplification or dissipation. The proposed model is exp...

  • Review
  • Open Access
71 Citations
33,268 Views
30 Pages

A Review of Advanced Cooling Strategies for Battery Thermal Management Systems in Electric Vehicles

  • Kunal Sandip Garud,
  • Le Duc Tai,
  • Seong-Guk Hwang,
  • Nghia-Huu Nguyen and
  • Moo-Yeon Lee

28 June 2023

Electric vehicles (EVs) offer a potential solution to face the global energy crisis and climate change issues in the transportation sector. Currently, lithium-ion (Li-ion) batteries have gained popularity as a source of energy in EVs, owing to severa...

  • Article
  • Open Access
69 Citations
6,499 Views
26 Pages

17 July 2023

Path planning is a challenging, computationally complex optimization task in high-dimensional scenarios. The metaheuristic algorithm provides an excellent solution to this problem. The dung beetle optimizer (DBO) is a recently developed metaheuristic...

  • Review
  • Open Access
64 Citations
12,206 Views
33 Pages

Security Concepts in Emerging 6G Communication: Threats, Countermeasures, Authentication Techniques and Research Directions

  • Syed Hussain Ali Kazmi,
  • Rosilah Hassan,
  • Faizan Qamar,
  • Kashif Nisar and
  • Ag Asri Ag Ibrahim

25 May 2023

Challenges faced in network security have significantly steered the deployment timeline of Fifth Generation (5G) communication at a global level; therefore, research in Sixth Generation (6G) security analysis is profoundly necessitated. The prerogati...

  • Article
  • Open Access
62 Citations
3,252 Views
28 Pages

31 August 2023

The q-rung orthopair fuzzy (q-ROF) set is an efficient tool for dealing with uncertain and inaccurate data in real-world multi-attribute decision-making (MADM). In MADM, aggregation operators play a significant role. The majority of well-known aggreg...

  • Article
  • Open Access
59 Citations
49,526 Views
33 Pages

Cyberattacks and Security of Cloud Computing: A Complete Guideline

  • Muhammad Dawood,
  • Shanshan Tu,
  • Chuangbai Xiao,
  • Hisham Alasmary,
  • Muhammad Waqas and
  • Sadaqat Ur Rehman

26 October 2023

Cloud computing is an innovative technique that offers shared resources for stock cache and server management. Cloud computing saves time and monitoring costs for any organization and turns technological solutions for large-scale systems into server-...

  • Article
  • Open Access
56 Citations
5,083 Views
29 Pages

Fuzzy Logic and Its Application in the Assessment of Information Security Risk of Industrial Internet of Things

  • Seyit Kerimkhulle,
  • Zhulduz Dildebayeva,
  • Akylbek Tokhmetov,
  • Akzhibek Amirova,
  • Jamalbek Tussupov,
  • Ulzhan Makhazhanova,
  • Alibek Adalbek,
  • Roman Taberkhan,
  • Alma Zakirova and
  • Alua Salykbayeva

23 October 2023

This article addresses the issue of information security in the Industrial Internet of Things (IIoT) environment. Information security risk assessment in the IIoT is complicated by several factors: the complexity and heterogeneity of the system, the...

  • Review
  • Open Access
55 Citations
7,578 Views
16 Pages

CNTs-Supercapacitors: A Review of Electrode Nanocomposites Based on CNTs, Graphene, Metals, and Polymers

  • Ghobad Behzadi Pour,
  • Hassan Ashourifar,
  • Leila Fekri Aval and
  • Shahram Solaymani

1 June 2023

Carbon nanotubes (CNTs), due to mechanical, electrical, and surface area properties and their ability to adapt to different nanocomposite structures, are very substantial in supercapacitor electrodes. In this review, we have summarized high-performan...

  • Article
  • Open Access
54 Citations
4,606 Views
13 Pages

8 June 2023

Nanofluids holding three distinct sorts of nanosized particles suspended in base fluid possess excellent thermal performance. In light of this novel use in coolant applications, the current work dealt with the optimal design and performance estimatio...

  • Article
  • Open Access
52 Citations
3,068 Views
23 Pages

11 June 2024

Currently, Internet of Things (IoT)-based cloud systems face several problems such as privacy leakage, failure in centralized operation, managing IoT devices, and malicious attacks. The data transmission between the cloud and healthcare IoT needs tru...

  • Article
  • Open Access
51 Citations
3,783 Views
19 Pages

An Improved Grey Wolf Optimizer with Multi-Strategies Coverage in Wireless Sensor Networks

  • Yun Ou,
  • Feng Qin,
  • Kai-Qing Zhou,
  • Peng-Fei Yin,
  • Li-Ping Mo and
  • Azlan Mohd Zain

1 March 2024

For wireless sensor network (WSN) coverage problems, since the sensing range of sensor nodes is a circular area with symmetry, taking symmetry into account when deploying nodes will help simplify problem solving. In addition, in view of two specific...

  • Review
  • Open Access
49 Citations
16,816 Views
45 Pages

Time Series Analysis Based on Informer Algorithms: A Survey

  • Qingbo Zhu,
  • Jialin Han,
  • Kai Chai and
  • Cunsheng Zhao

21 April 2023

Long series time forecasting has become a popular research direction in recent years, due to the ability to predict weather changes, traffic conditions and so on. This paper provides a comprehensive discussion of long series time forecasting techniqu...

  • Review
  • Open Access
48 Citations
20,834 Views
25 Pages

7 December 2023

Considering the alarming increase in cyberattacks and their potential financial implications, the importance of cybersecurity education and training cannot be overstated. This paper presents a systematic literature review that examines different cybe...

  • Review
  • Open Access
46 Citations
17,253 Views
37 Pages

Thermal Behavior Modeling of Lithium-Ion Batteries: A Comprehensive Review

  • Seyed Saeed Madani,
  • Carlos Ziebert and
  • Mousa Marzband

17 August 2023

To enhance our understanding of the thermal characteristics of lithium-ion batteries and gain valuable insights into the thermal impacts of battery thermal management systems (BTMSs), it is crucial to develop precise thermal models for lithium-ion ba...

  • Feature Paper
  • Article
  • Open Access
43 Citations
3,173 Views
17 Pages

Chandrasekhar Mass Limit of White Dwarfs in Modified Gravity

  • Artyom V. Astashenok,
  • Sergey D. Odintsov and
  • Vasilis K. Oikonomou

24 May 2023

We investigate the Chandrasekhar mass limit of white dwarfs in various models of f(R) gravity. Two equations of state for stellar matter are used: the simple relativistic polytropic equation with polytropic index n=3 and the realistic Chandrasekhar e...

  • Feature Paper
  • Review
  • Open Access
42 Citations
5,477 Views
76 Pages

Tetraquarks and Pentaquarks from Quark Model Perspective

  • Hongxia Huang,
  • Chengrong Deng,
  • Xuejie Liu,
  • Yue Tan and
  • Jialun Ping

22 June 2023

According to the classification of the quark model, the hadrons going beyond three-quark baryon and quark-antiquark meson pictures are called exotic hadrons. Many new hadrons have been observed since 2003, some of which exhibit exotic behaviors. Ther...

  • Article
  • Open Access
41 Citations
2,287 Views
19 Pages

30 June 2023

In this study, we introduce a nonlinear leukemia dynamical system for a piecewise modified ABC fractional-order derivative and analyze it for the theoretical as well computational works and examine the crossover effect of the model. For the crossover...

  • Article
  • Open Access
41 Citations
5,253 Views
26 Pages

AntiPhishStack: LSTM-Based Stacked Generalization Model for Optimized Phishing URL Detection

  • Saba Aslam,
  • Hafsa Aslam,
  • Arslan Manzoor,
  • Hui Chen and
  • Abdur Rasool

17 February 2024

The escalating reliance on revolutionary online web services has introduced heightened security risks, with persistent challenges posed by phishing despite extensive security measures. Traditional phishing systems, reliant on machine learning and man...

  • Editorial
  • Open Access
40 Citations
5,494 Views
28 Pages

29 March 2023

Named essentially after their close relationship with the modified Bessel function Kν(z) of the second kind, which is known also as the Macdonald function (or, with a slightly different definition, the Basset function), the so-called Bessel polyno...

  • Article
  • Open Access
39 Citations
3,762 Views
21 Pages

Analysis of Heat Transfer Behavior of Porous Wavy Fin with Radiation and Convection by Using a Machine Learning Technique

  • Chandan Kumar,
  • P. Nimmy,
  • Kallur Venkat Nagaraja,
  • R. S. Varun Kumar,
  • Amit Verma,
  • Shalan Alkarni and
  • Nehad Ali Shah

18 August 2023

The impact of convection and radiation on the thermal distribution of the wavy porous fin is examined in the present study. A hybrid model that combines the differential evolution (DE) algorithm with an artificial neural network (ANN) is proposed for...

  • Article
  • Open Access
38 Citations
2,422 Views
19 Pages

20 September 2023

Nanotechnology is well-known for its versatile and general thermal transport disciplines, which are used in semiconductors, spacecraft, bioengineering, functional electronics, and biosensors. As a result, process optimization has attracted the intere...

  • Article
  • Open Access
38 Citations
5,420 Views
20 Pages

23 March 2023

The most crucial component of any smart city traffic management system is traffic flow prediction. It can assist a driver in selecting the most efficient route to their destination. The digitalization of closed-circuit television (CCTV) systems has r...

  • Article
  • Open Access
38 Citations
2,369 Views
24 Pages

An Efficient Stress–Strength Reliability Estimate of the Unit Gompertz Distribution Using Ranked Set Sampling

  • Najwan Alsadat,
  • Amal S. Hassan,
  • Mohammed Elgarhy,
  • Christophe Chesneau and
  • Rokaya Elmorsy Mohamed

20 May 2023

In this paper, the estimation of the stress–strength reliability is taken into account when the stress and strength variables have unit Gompertz distributions with a similar scale parameter. The consideration of the unit Gompertz distribution i...

  • Article
  • Open Access
37 Citations
5,405 Views
19 Pages

3 July 2023

Decision-making trial and evaluation laboratory (DEMATEL) is one of the multicriteria decision-making methods based on asymmetric linguistic comparison matrices that has received a great deal of attention, and it is a widely used method in various fi...

  • Feature Paper
  • Article
  • Open Access
37 Citations
2,960 Views
14 Pages

Dual Quaternion Matrix Equation AXB = C with Applications

  • Yan Chen,
  • Qing-Wen Wang and
  • Lv-Ming Xie

1 March 2024

Dual quaternions have wide applications in automatic differentiation, computer graphics, mechanics, and others. Due to its application in control theory, matrix equation AXB=C has been extensively studied. However, there is currently limited informat...

  • Article
  • Open Access
36 Citations
9,543 Views
16 Pages

AutoEncoder and LightGBM for Credit Card Fraud Detection Problems

  • Haichao Du,
  • Li Lv,
  • An Guo and
  • Hongliang Wang

6 April 2023

This paper proposes a method called autoencoder with probabilistic LightGBM (AED-LGB) for detecting credit card frauds. This deep learning-based AED-LGB algorithm first extracts low-dimensional feature data from high-dimensional bank credit card feat...

  • Article
  • Open Access
36 Citations
3,247 Views
50 Pages

Novel Hybrid Crayfish Optimization Algorithm and Self-Adaptive Differential Evolution for Solving Complex Optimization Problems

  • Hussam N. Fakhouri,
  • Abdelraouf Ishtaiwi,
  • Sharif Naser Makhadmeh,
  • Mohammed Azmi Al-Betar and
  • Mohannad Alkhalaileh

19 July 2024

This study presents the Hybrid COASaDE Optimizer, a novel combination of the Crayfish Optimization Algorithm (COA) and Self-adaptive Differential Evolution (SaDE), designed to address complex optimization challenges and solve engineering design probl...

  • Article
  • Open Access
36 Citations
1,918 Views
13 Pages

11 August 2023

In this paper, we succeed at discovering the new exact wave solutions to the truncated M-fractional complex three coupled Maccari’s system by utilizing the Sardar sub-equation scheme. The obtained solutions are in the form of trigonometric and...

  • Article
  • Open Access
32 Citations
2,326 Views
24 Pages

A New Lomax Extension: Properties, Risk Analysis, Censored and Complete Goodness-of-Fit Validation Testing under Left-Skewed Insurance, Reliability and Medical Data

  • Moustafa Salem,
  • Walid Emam,
  • Yusra Tashkandy,
  • Mohamed Ibrahim,
  • M. Masoom Ali,
  • Hafida Goual and
  • Haitham M. Yousof

3 July 2023

The idea of symmetry, which is used to describe the shape of a probability distribution, is a key concept in the theory of probability. The use of symmetric and asymmetric distributions is common in statistical inference, decision-making, and probabi...

  • Article
  • Open Access
32 Citations
2,070 Views
21 Pages

A Novel Probabilistic Approach Based on Trigonometric Function: Model, Theory with Practical Applications

  • Omalsad Hamood Odhah,
  • Huda M. Alshanbari,
  • Zubair Ahmad,
  • Faridoon Khan and
  • Abd Al-Aziz Hosni El-Bagoury

2 August 2023

Proposing new families of probability models for data modeling in applied sectors is a prominent research topic. This paper also proposes a new method based on the trigonometric function to derive the updated form of the existing probability models....

  • Review
  • Open Access
32 Citations
4,715 Views
26 Pages

Chiral Organophosphorus Pharmaceuticals: Properties and Application

  • Anastasy O. Kolodiazhna and
  • Oleg I. Kolodiazhnyi

7 August 2023

This review considers the chiral phosphorus-containing drugs used to treat patients in the clinic, as well as the promising and experimental drugs that are in the process of being researched. Natural and synthetic representatives of phosphorus-contai...

  • Article
  • Open Access
32 Citations
2,842 Views
12 Pages

Characterization of Ricci Almost Soliton on Lorentzian Manifolds

  • Yanlin Li,
  • Huchchappa A. Kumara,
  • Mallannara Siddalingappa Siddesha and
  • Devaraja Mallesha Naik

31 May 2023

Ricci solitons (RS) have an extensive background in modern physics and are extensively used in cosmology and general relativity. The focus of this work is to investigate Ricci almost solitons (RAS) on Lorentzian manifolds with a special metric connec...

  • Article
  • Open Access
31 Citations
4,606 Views
16 Pages

9 April 2023

The Air Quality Index (AQI) dataset contains information on measurements of pollutants and ambient air quality conditions at certain location that can be used to predict air quality. Unfortunately, this dataset often has many missing observations and...

  • Feature Paper
  • Article
  • Open Access
30 Citations
2,829 Views
18 Pages

Weak Gravitational Lensing around Bardeen Black Hole with a String Cloud in the Presence of Plasma

  • Farruh Atamurotov,
  • Husan Alibekov,
  • Ahmadjon Abdujabbarov,
  • Ghulam Mustafa and
  • Mersaid M. Aripov

2 April 2023

The effect of spacetime curvature on optical properties may provide an opportunity to suggest new tests for gravity theories. In this paper, we investigated gravitational weak lensing around a Bardeen black hole with the string clouds parameter. Firs...

  • Article
  • Open Access
30 Citations
2,190 Views
18 Pages

2 April 2023

Fractional calculus is at this time an area where many models are still being developed, explored, and used in real-world applications in many branches of science and engineering where non-locality plays a key role. Although many wonderful discoverie...

  • Feature Paper
  • Article
  • Open Access
30 Citations
3,904 Views
19 Pages

18 January 2024

Recent inference results of the sound velocity in the cores of neutron stars are summarized. Implications for the equation of state and the phase structure of highly compressed baryonic matter are discussed. In view of the strong constraints imposed...

  • Article
  • Open Access
30 Citations
5,392 Views
14 Pages

Design of All-Optical Logic Half-Adder Based on Photonic Crystal Multi-Ring Resonator

  • Yonatan Pugachov,
  • Moria Gulitski,
  • Omri Mizrahi and
  • Dror Malka

11 May 2023

In this paper, a novel design of an all-optical half-adder (HA) based on two two-ring resonators in a two-dimensional square-lattice photonic crystal (PC) structure without nonlinear materials is proposed. The all-optical HA comprises AND and XOR gat...

  • Article
  • Open Access
30 Citations
2,320 Views
29 Pages

Exact Solutions of M-Fractional Kuralay Equation via Three Analytical Schemes

  • Asim Zafar,
  • Muhammad Raheel,
  • Mohamed R. Ali,
  • Zhaidary Myrzakulova,
  • Ahmet Bekir and
  • Ratbay Myrzakulov

4 October 2023

This article concerns new analytical wave solutions of the Kuralay-II equations (K-IIAE and K-IIBE) with exploration of a new definition of the derivative. This model is used in various fields, like nonlinear optics, ferromagnetic materials and optic...

  • Article
  • Open Access
30 Citations
5,816 Views
19 Pages

Pear Object Detection in Complex Orchard Environment Based on Improved YOLO11

  • Mingming Zhang,
  • Shutong Ye,
  • Shengyu Zhao,
  • Wei Wang and
  • Chao Xie

8 February 2025

To address the issues of low detection accuracy and poor adaptability in complex orchard environments (such as varying lighting conditions, branch and leaf occlusion, fruit overlap, and small targets), this paper proposes an improved pear detection m...

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Symmetry - ISSN 2073-8994