Selected Papers Symmetry 2023—The Fourth Edition of the International Conference on Symmetry

A special issue of Symmetry (ISSN 2073-8994).

Deadline for manuscript submissions: 30 September 2024 | Viewed by 1876

Special Issue Editors

Consejo Superior de Investigaciones Científicas, Instituto de Ciencias del Espacio (CSIC), Institut d'Estudis Espacials de Catalunya (IEEC/CSIC), Campus UAB, Carrer de Can Magrans s/n, 08193 Bellaterra, Spain
Interests: zeta functions; regularization of infinite sums; spexial functions of mathemtatical physics; vacuum fluctuations; theoretical cosmology
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Dear Colleagues,

Participants of this conference are cordially invited to contribute a full manuscript to our Special Issue "Selected Papers: Symmetry 2023—The Fourth Edition of the International Conference on Symmetry" in the journal Symmetry.

A number of lectures from the conference will be selected for this Special Issue in the journal Symmetry. Among those, five papers will be chosen to be free of charge, while all other accepted contributions will enjoy a 20% discount on the publication fees. The Special Issue will represent all disciplines pertaining to the conference where the notion of symmetry plays an important role. Special attention will be paid to interdisciplinary contributions.

This themed collection will be closely aligned with the scope of the event.

Symmetry is indexed within Scopus, SCIE (Web of Science), CAPlus/SciFinder, Inspec, Astrophysics Data System, and other databases and has an Impact Factor of 2.940 and a 5-Year Impact Factor of 2.834.

Prof. Dr. Emilio Elizalde
Prof. Dr. Sergei D. Odintsov
Guest Editors

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Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Symmetry is an international peer-reviewed open access monthly journal published by MDPI.

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Published Papers (2 papers)

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Research

14 pages, 907 KiB  
Article
New Generalized Weibull Inverse Gompertz Distribution: Properties and Applications
Symmetry 2024, 16(2), 197; https://doi.org/10.3390/sym16020197 - 07 Feb 2024
Viewed by 368
Abstract
In parametric statistical modeling, it is essential to create generalizations of current statistical distributions that are more flexible when modeling actual data sets. Therefore, this study introduces a new generalized lifetime model named the odd Weibull Inverse Gompertz distribution (OWIG). The OWIG is [...] Read more.
In parametric statistical modeling, it is essential to create generalizations of current statistical distributions that are more flexible when modeling actual data sets. Therefore, this study introduces a new generalized lifetime model named the odd Weibull Inverse Gompertz distribution (OWIG). The OWIG is derived by combining the odd Weibull family of distributions with the inverse Gompertz distribution. Essential statistical properties are discussed, including reliability functions, moments, Rényi entropy, and order statistics. The proposed OWIG is particularly significant as its hazard rate functions exhibit various monotonic and nonmonotonic shapes. This enables OWIG to model different hazard behaviors more commonly observed in natural phenomena. OWIG’s parameters are estimated and its flexibility in predicting unique symmetric and asymmetric patterns is shown by analyzing real-world applications from psychology, environmental, and medical sciences. The results demonstrate that the proposed OWIG is an excellent candidate as it provides the most accurate fits to the data compared with some competing models. Full article
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10 pages, 4396 KiB  
Article
Calculation of Forces to the High Granularity Calorimeter Stainless Steel Absorber Plates in the CMS Magnetic Field
Symmetry 2023, 15(11), 2017; https://doi.org/10.3390/sym15112017 - 03 Nov 2023
Cited by 1 | Viewed by 420
Abstract
The general-purpose Compact Muon Solenoid (CMS) detector at the Large Hadron Collider (LHC) at CERN incorporates a hadronic calorimeter to register the energies of the charged and neutral hadrons produced in proton–proton collisions at the LHC at a center-of-mass energy of 13.6 TeV. [...] Read more.
The general-purpose Compact Muon Solenoid (CMS) detector at the Large Hadron Collider (LHC) at CERN incorporates a hadronic calorimeter to register the energies of the charged and neutral hadrons produced in proton–proton collisions at the LHC at a center-of-mass energy of 13.6 TeV. This calorimeter is located inside a superconducting solenoid that is 6 m in diameter and 12.5 m in length, generating a central magnetic flux density of 3.8 T. For operating optimally in the high pileup and high radiation environment of the High-Luminosity LHC, the existing CMS endcap calorimeters will be replaced with a new high granularity calorimeter (HGCal) with an electromagnetic section and a hadronic section in each of the two endcaps. The hadronic section of the HGCal will include 44 stainless-steel absorber plates with a relative permeability value well below 1.05. The volume occupied by 22 plates in each endcap is about 21 m3. The calculation of the axial electromagnetic forces acting on the absorber plates is a crucial element in designing the mechanical construction of the device. With a three-dimensional computer model of the CMS magnet, the axial forces on each absorber plate were calculated, and the dependence of forces on the central magnetic flux density value is presented. The method of calculation and the obtained results are discussed. Full article
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