Symmetry and Partial Differential Equations

A special issue of Symmetry (ISSN 2073-8994). This special issue belongs to the section "Mathematics".

Deadline for manuscript submissions: closed (16 January 2023) | Viewed by 1172

Special Issue Editors


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Guest Editor
Department of Mathematics, Federal University of São Carlos, São Carlos 13565-905, Brazil
Interests: partial differential equations

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Guest Editor
School of Mathematics and Statistics, Hubei Key Laboratory of Mathematical Sciences, Central China Normal University, 71010, Wuhan 430079, China
Interests: partial differential equations

Special Issue Information

Dear Colleagues,

Questions around symmetry and partial differential equations are closely linked, and they have been the subject of intensive investigations over the past 50 years. Some of the general themes are radial symmetry, axial symmetry, and symmetry with respect to some hyperplane.

Specifically in elliptic partial differential equations, other related issues are the loss of compactness, regularity, and decay of solutions. Although the previous four decades witnessed significant development in this research area, there are still many outstanding open problems, modeled in local problems the same as in nonlocal problems, for instance, involving fractional Laplacian.

The present Special Issue calls for new contributions to these important and interesting topics of research, and we sincerely hope that you will participate.

Prof. Dr. Olimpio Hiroshi Miyagaki
Prof. Dr. Lizhi Ruan
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

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.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • radial symmetry
  • axial symmetry or symmetry with respect to some hyperplane
  • compactness
  • decay
  • fractional Laplacian
  • Laplacian
  • p-Laplacian
  • ground state solutions

Published Papers (1 paper)

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Research

12 pages, 368 KiB  
Article
Analytical View of Nonlinear Delay Differential Equations Using Sawi Iterative Scheme
by Muhammad Nadeem, Seyyed Ahmad Edalatpanah, Ibrahim Mahariq and Wael Hosny Fouad Aly
Symmetry 2022, 14(11), 2430; https://doi.org/10.3390/sym14112430 - 16 Nov 2022
Cited by 4 | Viewed by 1134
Abstract
This paper presents the idea of the Sawi iterative scheme (SIS) to derive the analytical solution of nonlinear delay differential equations (DDEqs). We apply the Sawi transform to construct a recurrence relation which is now easy to handle and the implementation of homotopy [...] Read more.
This paper presents the idea of the Sawi iterative scheme (SIS) to derive the analytical solution of nonlinear delay differential equations (DDEqs). We apply the Sawi transform to construct a recurrence relation which is now easy to handle and the implementation of homotopy perturbation method (HPM) reduces the nonlinear components to obtain a series solution. This series is independent of any assumption and restriction of variables that may ruin the actual problem. A transformation that keeps the differential equations consistent is known as a differential equation symmetry. It is very simple and easy to obtain the solution of these differential equations in the presence of such symmetries. We deal with this approach in a very simple way and obtain the results in the form of convergence. We also demonstrate the graphical solution to show that this approach is very authentic and valid for linear and nonlinear problems. Full article
(This article belongs to the Special Issue Symmetry and Partial Differential Equations)
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