Analytical Methods and Qualitative Analysis for Differential Equations

A special issue of Mathematics (ISSN 2227-7390). This special issue belongs to the section "C1: Difference and Differential Equations".

Deadline for manuscript submissions: 30 September 2025 | Viewed by 1573

Special Issue Editor


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Guest Editor
Department of Mathematics, Shanghai University, Shanghai 200444, China
Interests: partial differential equations; ordinary differential equations; harmonic analysis; nonlinear dynamical systems; analytical methods and qualitative analysis for differential equations

Special Issue Information

Dear Colleagues,

The new Special Issue aims to bring the newest results of the study on analytical methods and qualitative analysis for ordinary and partial differential equations. Ordinary differential equations (ODEs) and partial differential equations (PDEs) are important tools to describe dynamic systems and physical phenomena. They are widely used in many fields such as engineering, physics, chemistry, biology, control theory, astronomy, quantum mechanics, general relativity, elasticity, electromagnetism, finance, economics, and so on. Analytical methods provide tools for accurately solving ODEs and PDEs, while qualitative analysis methods help us understand the global behavior and properties of solutions, both of which are indispensable in mathematical analysis. We hope that through this Special Issue, we can put together the newest research progress and trends in the study of analytical methods and qualitative analysis for differential equations of one variable and several variables, which thus push forward the development of both branches and, at the same time, inspire parallels between them. Any aspects related to the study on analytical methods and qualitative analysis for ordinary and partial differential equations are valuable to the success of this Special Issue.

Prof. Dr. Fengping Yao
Guest Editor

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Keywords

  • partial differential equations
  • ordinary differential equations
  • nonlinear dynamical systems
  • harmonic analysis
  • soliton theory
  • mathematical physics
  • fluid mechanics
  • integrable system
  • exact solutions
  • analytical methods and qualitative analysis for differential equations

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Published Papers (2 papers)

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Research

17 pages, 1944 KiB  
Article
Abundant Elliptic, Trigonometric, and Hyperbolic Stochastic Solutions for the Stochastic Wu–Zhang System in Quantum Mechanics
by Wael W. Mohammed, Ekram E. Ali, Athar I. Ahmed and Marwa Ennaceur
Mathematics 2025, 13(5), 714; https://doi.org/10.3390/math13050714 - 22 Feb 2025
Viewed by 581
Abstract
In this article, we look at the stochastic Wu–Zhang system (SWZS) forced by multiplicative Brownian motion in the Itô sense. The mapping method, which is an effective analytical method, is employed to investigate the exact wave solutions of the aforementioned equation. The proposed [...] Read more.
In this article, we look at the stochastic Wu–Zhang system (SWZS) forced by multiplicative Brownian motion in the Itô sense. The mapping method, which is an effective analytical method, is employed to investigate the exact wave solutions of the aforementioned equation. The proposed scheme provides new types of exact solutions including periodic solitons, kink solitons, singular solitons and so on, to describe the wave propagation in quantum mechanics and analyze a wide range of essential physical phenomena. In the absence of noise, we obtain some previously found solutions of SWZS. Additionally, using the MATLAB program, the impacts of the noise term on the analytical solution of the SWZS were demonstrated. Full article
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21 pages, 2438 KiB  
Article
Investigations of Modified Classical Dynamical Models: Melnikov’s Approach, Simulations and Applications, and Probabilistic Control of Perturbations
by Nikolay Kyurkchiev, Tsvetelin Zaevski, Anton Iliev, Vesselin Kyurkchiev and Asen Rahnev
Mathematics 2025, 13(2), 231; https://doi.org/10.3390/math13020231 - 11 Jan 2025
Cited by 1 | Viewed by 537
Abstract
We suggest a few kinds of extended classical oscillators in this study. We present a few specific modules for examining these oscillators’ behavior. This will be an essential component of a broader web-based scientific computing platform that is in the works. The modeling [...] Read more.
We suggest a few kinds of extended classical oscillators in this study. We present a few specific modules for examining these oscillators’ behavior. This will be an essential component of a broader web-based scientific computing platform that is in the works. The modeling and synthesis of radiating antenna designs is also taken into consideration as a potential use case for Melnikov functions. Additionally, we discuss strategies for achieving probabilistic control over system perturbations. Full article
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