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Symmetry, Volume 13, Issue 8

August 2021 - 242 articles

Cover Story: Topology–symmetry analysis of the OD theory allows revealing the similarity of crystals and assigning them to the common structural family. New iodate Ba(IO3)OH occur unexpectedly and are relative to highly nonlinear optical Bi(IO3)O. The higher tetragonal (!) local symmetry of the central first layer produces a different conjugation in the triple with the second layers, leading to higher or lower optical nonlinearity for two members of family. Such structures may be ordered or have significant disorder. The topology–symmetry analysis of other pairs of iodate AgBi(IO3)4 and iodate-sulfate AgBi(SO4)(IO3) leads to obtaining a semi-quantitatively evaluation of nonlinear optical properties based on structural data. Such an approach is original and promising. View this paper
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Articles (242)

  • Article
  • Open Access
13 Citations
2,955 Views
14 Pages

23 August 2021

Recently, metropolitan and access communication networks have markedly developed by utilizing a variety of technologies. Their bearer communication infrastructures will be mostly exploiting the optical transmission medium where wavelength division mu...

  • Article
  • Open Access
8 Citations
3,419 Views
27 Pages

23 August 2021

Given the growing spread of glass as a construction material, the knowledge of structural response must be ensured, especially under dynamic accidental loads. In this regard, an increasingly popular method to probabilistically characterize the seismi...

  • Article
  • Open Access
22 Citations
2,842 Views
22 Pages

23 August 2021

In this paper, the Aboodh transform is utilized to construct an approximate analytical solution for the time-fractional Zakharov–Kuznetsov equation (ZKE) via the Adomian decomposition method. In the context of a uniform magnetic flux, this framework...

  • Article
  • Open Access
12 Citations
3,698 Views
19 Pages

23 August 2021

Accurate global horizontal irradiance (GHI) forecasting is crucial for efficient management and forecasting of the output power of photovoltaic power plants. However, developing a reliable GHI forecasting model is challenging because GHI varies over...

  • Article
  • Open Access
9 Citations
3,512 Views
19 Pages

23 August 2021

Many high formwork systems are currently equipped with health monitoring systems, and the analysis of the data obtained can determine whether high formwork is a hazard. Therefore, the post-processing of monitoring data has become an issue of widespre...

  • Article
  • Open Access
36 Citations
6,846 Views
21 Pages

A Technology Acceptance Model-Based Analytics for Online Mobile Games Using Machine Learning Techniques

  • Shaifali Chauhan,
  • Mohit Mittal,
  • Marcin Woźniak,
  • Swadha Gupta and
  • Rocío Pérez de Prado

23 August 2021

In recent years, the enhancement in technology has been envisioning for people to complete tasks in an easier way. Every manufacturing industry requires heavy machinery to accomplish tasks in a symmetric and systematic way, which is much easier with...

  • Article
  • Open Access
3 Citations
2,665 Views
28 Pages

23 August 2021

Evolution of a self-consistent joint system (JS), i.e., a quantum system (QS) + thermal bath (TB), is considered within the framework of the Langevin–Schrödinger (L-Sch) type equation. As a tested QS, we considered two linearly coupled quantum oscill...

  • Article
  • Open Access
1,992 Views
17 Pages

23 August 2021

Because the two-dimensional coupled ecosystem has perfect symmetry, the dynamical behavior of symmetric dynamical system is discussed. The analysis of the dynamical behavior of a two-dimensional coupled ecosystem with stochastic parameters is explore...

  • Article
  • Open Access
2 Citations
2,144 Views
13 Pages

23 August 2021

In this paper, by virtue of the symmetry principle, we construct proper weight coefficients and use them to establish a more accurate half-discrete Hilbert-type inequality involving one upper limit function and one partial sum. Then, we prove the new...

  • Article
  • Open Access
8 Citations
4,967 Views
43 Pages

Neurofunctional Symmetries and Asymmetries during Voluntary out-of- and within-Body Vivid Imagery Concurrent with Orienting Attention and Visuospatial Detection

  • Amedeo D’Angiulli,
  • Darren Kenney,
  • Dao Anh Thu Pham,
  • Etienne Lefebvre,
  • Justin Bellavance and
  • Derrick Matthew Buchanan

23 August 2021

We explored whether two visual mental imagery experiences may be differentiated by electroencephalographic (EEG) and performance interactions with concurrent orienting external attention (OEA) to stimulus location and subsequent visuospatial detectio...

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Symmetry - ISSN 2073-8994