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Symmetry, Volume 11, Issue 1

January 2019 - 122 articles

Cover Story: Though Lorentz symmetry is a founding principle of the current best theories of physics, some efforts to further unify known interactions have discovered the possibility that Lorentz symmetry might be violated in nature. In this work, we present some examples of symmetry violation in physics with an aim of making these ideas more accessible to those outside of the field. View this paper.
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Articles (122)

  • Article
  • Open Access
29 Citations
6,218 Views
12 Pages

15 January 2019

Recently, a standard dataset namely SCADI (Self-Care Activities Dataset) based on the International Classification of Functioning, Disability, and Health for Children and Youth framework for self-care problems identification of children with physical...

  • Article
  • Open Access
7 Citations
4,248 Views
18 Pages

15 January 2019

We present the regular cosmological models of the Lemaître class with time-dependent and spatially inhomogeneous vacuum dark energy, which describe relaxation of the cosmological constant from its value powering inflation to the final non-zero value...

  • Article
  • Open Access
45 Citations
6,520 Views
25 Pages

15 January 2019

Demand uncertainty is an important issue that influences the strategic, tactical, and operational-level decision making in the transportation/logistics/supply chain planning. In this study, we explore the effect of demand uncertainty on the operation...

  • Article
  • Open Access
51 Citations
4,491 Views
18 Pages

15 January 2019

In this paper, we study the reconstruction paradigm for Tsallis holographic dark energy model using generalized Tsallis entropy conjecture with Hubble horizon in the framework of f ( G , T ) gravity (G and T represent the Gauss-Bonnet invaria...

  • Article
  • Open Access
5 Citations
4,265 Views
20 Pages

Best Proximity Point Results for Generalized Θ-Contractions and Application to Matrix Equations

  • Zhenhua Ma,
  • Azhar Hussain,
  • Muhammad Adeel,
  • Nawab Hussain and
  • Ekrem Savas

15 January 2019

In this paper, we introduce the notion of C ´ iri c ´ type α - ψ - Θ -contraction and prove best proximity point results in the context of complete metric spaces. Moreover, we prove some best pro...

  • Article
  • Open Access
50 Citations
4,907 Views
15 Pages

Hybrid Image-Retrieval Method for Image-Splicing Validation

  • Nam Thanh Pham,
  • Jong-Weon Lee,
  • Goo-Rak Kwon and
  • Chun-Su Park

14 January 2019

Recently, the task of validating the authenticity of images and the localization of tampered regions has been actively studied. In this paper, we go one step further by providing solid evidence for image manipulation. If a certain image is proved to...

  • Article
  • Open Access
1 Citations
3,824 Views
8 Pages

14 January 2019

A new method for generating frequency-octupling millimeter-wave (mm-wave) vector signals in optical fields via a Sagnac loop is proposed. In this scheme, two orthogonally polarized fourth order sidebands can be obtained through an integrated dual-pol...

  • Article
  • Open Access
12 Citations
3,240 Views
20 Pages

14 January 2019

Modern cognitive psychologists believe that the decision act of cognitive bias on decision results is universal. To reduce their negative effect on dual hesitant fuzzy decision-making, we propose three weighting methods based on distribution characte...

  • Article
  • Open Access
78 Citations
4,717 Views
24 Pages

Hybrid Multivalued Type Contraction Mappings in αK-Complete Partial b-Metric Spaces and Applications

  • Eskandar Ameer,
  • Hassen Aydi,
  • Muhammad Arshad,
  • Habes Alsamir and
  • Mohd Selmi Noorani

14 January 2019

In this paper, we initiate the notion of generalized multivalued ( α K * , Υ , Λ ) -contractions and provide some new common fixed point results in the class of α K -complete partial b-metric spaces. The o...

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Symmetry - ISSN 2073-8994