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Symmetry, Volume 12, Issue 8

August 2020 - 181 articles

Cover Story: The visible electronic absorption band of pyridinium dicarbethoxy methylid due to intramolecular charge transfer can be used to characterize the excited electronic state. This band is very sensitive to the solvent nature, allowing the determination of the nature and strength of intermolecular interactions. View this paper.
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Articles (181)

  • Feature Paper
  • Article
  • Open Access
11 Citations
3,833 Views
12 Pages

14 August 2020

This express brief deals with the problem of the state variables regulation in the ball and beam system by applying the discrete-inverse optimal control approach. The ball and beam system model is defined by a set of four-order nonlinear differential...

  • Article
  • Open Access
29 Citations
4,503 Views
17 Pages

Combination of the Single-Valued Neutrosophic Fuzzy Set and the Soft Set with Applications in Decision-Making

  • Ahmed Mostafa Khalil,
  • Dunqian Cao,
  • Abdelfatah Azzam,
  • Florentin Smarandache and
  • Wedad R. Alharbi

14 August 2020

In this article, we propose a novel concept of the single-valued neutrosophic fuzzy soft set by combining the single-valued neutrosophic fuzzy set and the soft set. For possible applications, five kinds of operations (e.g., subset, equal, union, inte...

  • Article
  • Open Access
5 Citations
3,609 Views
18 Pages

14 August 2020

Seeking truth is an important objective of agents in social groups. Opinion leaders in social groups may help or hinder the other agents on seeking the truth by symmetric nature. This paper studies the impact of opinion leaders by considering four ch...

  • Article
  • Open Access
3 Citations
5,036 Views
15 Pages

14 August 2020

Consensus string is a significant feature of a deoxyribonucleic acid (DNA) sequence. The median string is one of the most popular exact algorithms to find DNA consensus. A DNA sequence is represented using the alphabet Σ= {a, c, g, t}. The algo...

  • Article
  • Open Access
2 Citations
3,103 Views
17 Pages

13 August 2020

In this paper, a non-binary low-density parity-check (NB-LDPC) coded high-order continuous phase modulation (CPM) system is designed and optimized to improve power and iterative efficiencies. Firstly, the minimum squared normalized Euclidean distance...

  • Review
  • Open Access
11 Citations
4,976 Views
15 Pages

Cloud Computing Services: Taxonomy of Discovery Approaches and Extraction Solutions

  • Fathey Mohammed,
  • Abdullah Marish Ali,
  • Abdullah Saad Al-Malaise Al-Ghamdi,
  • Fawaz Alsolami,
  • Siti Mariyam Shamsuddin and
  • Fathy E. Eassa

13 August 2020

Cloud computing offers new features of sharing resources and applications to meet users’ computing requirements. It is a model by which the users can access computing resources as services offered on the Internet (cloud services). Cloud service...

  • Article
  • Open Access
2 Citations
2,254 Views
10 Pages

13 August 2020

In this paper, two forms of an exact solution and an analytical–numerical solution of the three-term fractional differential equation with the Caputo derivatives are presented. The Prabhakar function and an asymptotic expansion are utilized to...

  • Article
  • Open Access
8 Citations
2,717 Views
17 Pages

Non-Linear Behaviors of Transient Periodic Plasma Dynamics in a Multifractal Paradigm

  • Stefan-Andrei Irimiciuc,
  • Alexandra Saviuc,
  • Florin Tudose-Sandu-Ville,
  • Stefan Toma,
  • Florin Nedeff,
  • Cristina Marcela Rusu and
  • Maricel Agop

13 August 2020

In a multifractal paradigm of motion, nonlinear behavior of transient periodic plasmas, such as Schrodinger and hydrodynamic-type regimes, at various scale resolutions are represented. In a stationary case of Schrodinger-type regimes, the functionali...

  • Review
  • Open Access
52 Citations
43,639 Views
24 Pages

A Review on Electronic Payments Security

  • Md Arif Hassan,
  • Zarina Shukur,
  • Mohammad Kamrul Hasan and
  • Ahmed Salih Al-Khaleefa

12 August 2020

Modern technology is turning into an essential element in the financial trade. We focus the emphasis of this review on the research on the E-wallet and online payment, which is an element of an electric payment system, to get the pattern of using thi...

  • Article
  • Open Access
24 Citations
6,206 Views
10 Pages

12 August 2020

Leaves, as the most important photosynthetic organ of plants, are intimately associated with plant function and adaptation to environmental changes. The scaling relationship of the leaf dry mass (or the fresh mass) vs. leaf surface area has been refe...

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Symmetry - ISSN 2073-8994