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Symmetry, Volume 17, Issue 9

September 2025 - 215 articles

Cover Story: Charged ultra-high-energy cosmic rays are subject to Lorentz forces created by ubiquitous magnetic fields during propagation. The intensity of these fields depends on the scale of the distances considered, ranging from the size of the Solar System and the Earth’s field to galactic and intergalactic fields. The cosmic ray astronomy search for sources of cosmic rays of the highest energies requires knowledge of the change in their trajectory as they pass through the magnetic fields of the Galaxy. The knowledge of them is rather modest and we are forced to resort in our calculations to models. In this paper, we present results of the calculations carried out for specific potential UHECR sources of both known objects in the sky and potential ones located in the directions of the observed UHECR. View this paper
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Articles (215)

  • Article
  • Open Access
387 Views
23 Pages

22 September 2025

For a non-conservative nonlinear oscillator (NCNO) having a periodic solution, the existence of the first integral is a certain symmetry of the nonlinear dynamical system, which signifies the balance of kinetic energy and potential energy. A first-or...

  • Article
  • Open Access
535 Views
34 Pages

22 September 2025

The eccentric decoupled charge (EDC) is widely used in blasting engineering, but the combined effects of decoupling ratio, coupling medium, and explosive position (eccentricity coefficient) on blast pressure propagation and rock damage remain insuffi...

  • Article
  • Open Access
2 Citations
605 Views
27 Pages

22 September 2025

Nanotechnology has become a transformative field in modern science and engineering, offering innovative approaches to enhance conventional thermal and fluid systems. Heat and mass transfer phenomena, particularly fluid motion across various geometrie...

  • Article
  • Open Access
1 Citations
399 Views
13 Pages

Categories of Harmonic Functions in the Symmetric Unit Disk Linked to the Bessel Function

  • Naci Taşar,
  • Fethiye Müge Sakar,
  • Basem Frasin and
  • Ibtisam Aldawish

22 September 2025

Here in this paper, we establish the basic inclusion relations among the harmonic class HF(σ,η) with the classes SHF* of starlike harmonic functions and KHF of convex harmonic functions defined in open symmetric unit disk U. Moreover, we in...

  • Article
  • Open Access
1,034 Views
17 Pages

22 September 2025

Edge computing offers low-latency and distributed processing for IoT applications but poses new security challenges, due to limited resources and decentralized data. Intrusion detection systems (IDSs) are essential for real-time threat monitoring, ye...

  • Article
  • Open Access
539 Views
17 Pages

Early-Stage Prediction of Steel Weight in Industrial Buildings Using Neural Networks

  • Johnny Setiawan,
  • Ridho Bayuaji,
  • Mohammad Arif Rohman and
  • Delima Canny Valentine Simarmata

22 September 2025

In industrial building projects, steel is the main material used to create sturdy structures that have large open spaces without many columns in the center of the building. To estimate the cost of constructing a building before it enters the detailed...

  • Article
  • Open Access
776 Views
18 Pages

21 September 2025

This paper presents a comparative mathematical analysis of electrode configurations used in active fog water harvesting systems based on electrostatic ionization. The study begins with a brief overview of fog formation and typology. It also addresses...

  • Article
  • Open Access
541 Views
17 Pages

Spatio-Temporal Recursive Method for Traffic Flow Interpolation

  • Gang Wang,
  • Yuhao Mao,
  • Xu Liu,
  • Haohan Liang and
  • Keqiang Li

21 September 2025

Traffic data sequence imputation plays a crucial role in maintaining the integrity and reliability of transportation analytics and decision-making systems. With the proliferation of sensor technologies and IoT devices, traffic data often contain miss...

  • Article
  • Open Access
1 Citations
1,720 Views
23 Pages

20 September 2025

With the iterative evolution of SLAM (Simultaneous Localization and Mapping) technology in the robotics domain, the SLAM paradigm based on three-dimensional Gaussian distribution models has emerged as the current state-of-the-art technical approach....

  • Article
  • Open Access
441 Views
14 Pages

The Charmed Meson Spectrum Using One-Loop Corrections to the One-Gluon Exchange Potential

  • André Capelo-Astudillo,
  • Telmo Aguilar,
  • Marlon Conde-Correa,
  • Álvaro Duenas-Vidal,
  • Pablo G. Ortega and
  • Jorge Segovia

20 September 2025

We investigate the charmed meson spectrum using a constituent quark model (CQM) with one-loop corrections applied to the one-gluon exchange (OGE) potential. The study aims to understand if the modified version of our CQM sufficiently account for the...

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Symmetry - ISSN 2073-8994