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Symmetry, Volume 14, Issue 8

August 2022 - 257 articles

Cover Story: N-heterocyclic carbenes (NHCs) represent an attractive class of ligands for both main-group and transition metals thanks to the easy modulation of their steric and electronic properties. The possibility of introducing chirality into an NHC framework has paved the way to the design of chiral NHC ligands and contributed to enhancing their potential for applications in different chemistry fields. This paper provides an overview on the use of C2-symmetric NHCs as ancillary ligands for transition metal complexes and their most relevant applications in asymmetric catalysis. View this paper
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Articles (257)

  • Article
  • Open Access
1 Citations
2,232 Views
20 Pages

New Iterative Schemes to Solve Nonlinear Systems with Symmetric Basins of Attraction

  • Alicia Cordero,
  • Smmayya Iqbal,
  • Juan R. Torregrosa and
  • Fiza Zafar

22 August 2022

We present a new Jarratt-type family of optimal fourth- and sixth-order iterative methods for solving nonlinear equations, along with their convergence properties. The schemes are extended to nonlinear systems of equations with equal convergence orde...

  • Article
  • Open Access
3 Citations
3,359 Views
17 Pages

21 August 2022

Fixed point theory provides an important structure for the study of symmetry in mathematics. In this article, a new iterative method (general Picard–Mann) to approximate fixed points of nonexpansive mappings is introduced and studied. We study...

  • Article
  • Open Access
3 Citations
2,328 Views
13 Pages

Fault Tolerant Addressing Scheme for Oxide Interconnection Networks

  • Asim Nadeem,
  • Agha Kashif,
  • Sohail Zafar,
  • Amer Aljaedi and
  • Oluwatobi Akanbi

21 August 2022

The symmetry of an interconnection network plays a key role in defining the functioning of a system involving multiprocessors where thousands of processor-memory pairs known as processing nodes are connected. Addressing the processing nodes helps to...

  • Article
  • Open Access
4 Citations
1,801 Views
15 Pages

20 August 2022

This article presents a new technique to generate distributions that have the ability to fit any complex data called the exponentiated exponentiated Weibull-X (EEW-X) family, and the exponentiated exponentiated Weibull exponential (EEWE) distribution...

  • Article
  • Open Access
1 Citations
2,295 Views
30 Pages

A Path-Curvature Measure for Word-Based Strategy Searches in Semantic Networks

  • Haim Cohen,
  • Yinon Nachshon,
  • Anat Maril,
  • Paz M. Naim,
  • Jürgen Jost and
  • Emil Saucan

19 August 2022

Building on a modified version of the Haantjes path-based curvature, this article offers a novel measure that considers the direction of a stream of associations in a semantic network and estimates the extent to which any single association attracts...

  • Article
  • Open Access
4 Citations
2,336 Views
11 Pages

19 August 2022

The experimental realization of twisted bilayer graphene strongly pushed the inspection of bilayer systems. In this context, it was recently shown that a two layer Haldane model with a thirty degree rotation angle between the layers represents a high...

  • Review
  • Open Access
22 Citations
4,295 Views
22 Pages

Review of Model Predictive Control of Distributed Energy Resources in Microgrids

  • Darioush Razmi,
  • Oluleke Babayomi,
  • Alireza Davari,
  • Tohid Rahimi,
  • Yuntao Miao and
  • Zhenbin Zhang

19 August 2022

In recent years, in response to increasing environmental concerns, advances in renewable energy technology and reduced costs have caused a significant increase in the penetration of distributed generation resources in distribution networks. Nonethele...

  • Feature Paper
  • Article
  • Open Access
3 Citations
1,945 Views
13 Pages

19 August 2022

It is known that the method of Lyapunov functionals is a powerful method of stability investigation for functional differential equations. Here, it is shown how the previously proposed method of stability investigation for nonlinear stochastic differ...

  • Article
  • Open Access
4 Citations
1,872 Views
19 Pages

A Metaheuristics-Based Inputs Selection and Training Set Formation Method for Load Forecasting

  • Ioannis Panapakidis,
  • Michail Katsivelakis and
  • Dimitrios Bargiotas

19 August 2022

Load forecasting is a procedure of fundamental importance in power systems operation and planning. Many entities can benefit from accurate load forecasting such as generation companies, systems operators, retailers, prosumers, and others. A variety o...

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Symmetry - ISSN 2073-8994