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Symmetry, Volume 12, Issue 7

July 2020 - 141 articles

Cover Story: The ability to mentally rotate a body image to place it in a different position is lacking or reduced in people with defective interhemispheric communication. Therefore, a cooperation of both hemispheres, differently activated, is required to perform the mental rotation of body images, which is confirmed to be an asymmetric brain competence. View this paper.
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Articles (141)

  • Article
  • Open Access
8 Citations
3,146 Views
11 Pages

21 July 2020

Coal is often coated by coal kaolinite in flotation, resulting in an increase in concentrate ash. The natural hydrophilicity of minerals is the key factor to determining its flotation behavior. The results of studies on the contact angle of non-coal...

  • Article
  • Open Access
2 Citations
2,875 Views
25 Pages

A Symmetric Banzhaf Cooperation Value for Games with a Proximity Relation among the Agents

  • Inés Gallego,
  • Julio R. Fernández,
  • Andrés Jiménez-Losada and
  • Manuel Ordóñez

20 July 2020

A cooperative game represents a situation in which a set of agents form coalitions in order to achieve a common good. To allocate the benefits of the result of this cooperation there exist several values such as the Shapley value or the Banzhaf value...

  • Article
  • Open Access
4 Citations
2,560 Views
12 Pages

20 July 2020

This paper is concerned with the nonexistence of global solutions to fractional in time nonlinear Schrödinger equations of the form i α ∂ t α ω ( t , z ) + a 1 ( t ) Δ ω ( t , z ) + i α...

  • Feature Paper
  • Article
  • Open Access
27 Citations
3,183 Views
15 Pages

Advanced Algorithms and Common Solutions to Variational Inequalities

  • Hasanen A. Hammad,
  • Habib ur Rehman and
  • Manuel De la Sen

20 July 2020

The paper aims to present advanced algorithms arising out of adding the inertial technical and shrinking projection terms to ordinary parallel and cyclic hybrid inertial sub-gradient extra-gradient algorithms (for short, PCHISE). Via these algorithms...

  • Article
  • Open Access
5 Citations
4,067 Views
15 Pages

19 July 2020

As a result of transportation integration, the role of highway passenger transport hubs has changed dramatically; these nodes act as important links to construct a seamless regional comprehensive passenger transport system which reflects the coordina...

  • Article
  • Open Access
118 Citations
5,969 Views
11 Pages

Solution of Multi-Term Time-Fractional PDE Models Arising in Mathematical Biology and Physics by Local Meshless Method

  • Imtiaz Ahmad,
  • Hijaz Ahmad,
  • Phatiphat Thounthong,
  • Yu-Ming Chu and
  • Clemente Cesarano

19 July 2020

Fractional differential equations depict nature sufficiently in light of the symmetry properties which describe biological and physical processes. This article is concerned with the numerical treatment of three-term time fractional-order multi-dimens...

  • Article
  • Open Access
2 Citations
3,181 Views
15 Pages

Unsupervised Hashing with Gradient Attention

  • Shaochen Jiang,
  • Liejun Wang,
  • Shuli Cheng,
  • Anyu Du and
  • Yongming Li

18 July 2020

The existing learning-based unsupervised hashing method usually uses a pre-trained network to extract features, and then uses the extracted feature vectors to construct a similarity matrix which guides the generation of hash codes through gradient de...

  • Review
  • Open Access
19 Citations
28,567 Views
17 Pages

Down Syndrome Face Recognition: A Review

  • Olalekan Agbolade,
  • Azree Nazri,
  • Razali Yaakob,
  • Abdul Azim Ghani and
  • Yoke Kqueen Cheah

17 July 2020

One of the most pertinent applications of image analysis is face recognition and one of the most common genetic disorders is Down syndrome (DS), which is caused by chromosome abnormalities in humans. It is currently a challenge in computer vision in...

  • Article
  • Open Access
2 Citations
5,154 Views
11 Pages

Lateralization of Auditory Processing of Silbo Gomero

  • Pamela Villar González,
  • Onur Güntürkün and
  • Sebastian Ocklenburg

17 July 2020

Left-hemispheric language dominance is a well-known characteristic of the human language system. However, it has been shown that leftward language lateralization decreases dramatically when people communicate using whistles. Whistled languages presen...

  • Review
  • Open Access
23 Citations
8,618 Views
30 Pages

17 July 2020

During the past two decades, the interest in new methodologies for the synthesis of chiral N-functionalized indoles has grown rapidly. The review illustrates efficient applications of organocatalytic and organometallic strategies for the construction...

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Symmetry - ISSN 2073-8994