Theory and Applications of Nonlinear Equations with Parameters: Branching, Regularization, Group Symmetry and Solutions Blow-Up

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

Deadline for manuscript submissions: closed (31 October 2023) | Viewed by 2833

Special Issue Editors


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Institute of Mathematics and Information Technologies, Irkutsk State University, 1 Karl Marx Str., 664003 Irkutsk, Russia
Interests: branching theory of nonlinear equations; bifurcation; singular problems; regularization; approximate methods; differential-operator equations; kinetic systems
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Guest Editor
Departamento de Matemáticas (Bogotá), Universidad Nacional de Colombia, Carrera 45, Colombia
Interests: nonlinear partial differential equations; nonlocal differential equations; kinetic equations; Vlasov-Maxwell and Vlasov-Maxwell-Fokker-Planck systems; applications to semiconductors and geophysics

Special Issue Information

Dear Colleagues,

Starting with the seminal works of A.M. Lyapunov, A. Poincaré, and E. Schmidt, the branching theory of nonlinear parameter-dependent equations has enabled various essential applications in natural sciences and engineering over the course of the last hundred years. V.I. Yudovich pioneered the application of symmetry methods in branching theory. A series of applications of the Lyapunov–Schmidt method, Conley index theory, and the central manifold methods in the conditions of group symmetry were reported in many seminal works in recent decades. Various critical processes in plasma physics, fluid dynamics, and thermodynamics are modeled using the branching theory of nonlinear differential-operator parameter-dependent equations. The objective of this Special Issue is to report on the cutting-edge development of the advanced branching theory of nonlinear equations and their applications. The Special issue will bring together experts in the qualitative theory of differential-operator equations, numerical analysts, and practitioners in the various applied fields of contemporary natural sciences. Results on the solvability of non-standard nonlinear equations with parameters will be reported, focusing on the analysis of the problems associated with branching, regularization, group symmetry, and solution blow-up phenomena.

Prof. Dr. Nikolai A. Sidorov
Prof. Dr. Aleksander Sinitsyn
Guest Editors

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Published Papers (1 paper)

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Research

12 pages, 621 KiB  
Article
Effect of Ventricular Elasticity Due to Congenital Hydrocephalus
by Hemalatha Balasundaram, Senthamilselvi Sathiamoorthy, Shyam Sundar Santra, Rifaqat Ali, Vediyappan Govindan, Aliona Dreglea and Samad Noeiaghdam
Symmetry 2021, 13(11), 2087; https://doi.org/10.3390/sym13112087 - 4 Nov 2021
Cited by 8 | Viewed by 1941
Abstract
Cerebrospinal fluid (CSF) is a symmetric flow transport that surrounds brain and central nervous system (CNS). Congenital hydrocephalusis is an asymmetric and unusual cerebrospinal fluid flow during fetal development. This dumping impact enhances the elasticity over the ventricle wall. Henceforth, compression change influences [...] Read more.
Cerebrospinal fluid (CSF) is a symmetric flow transport that surrounds brain and central nervous system (CNS). Congenital hydrocephalusis is an asymmetric and unusual cerebrospinal fluid flow during fetal development. This dumping impact enhances the elasticity over the ventricle wall. Henceforth, compression change influences the force of brain tissues. This paper presents a mathematical model to establish the effects of ventricular elasticity through a porous channel. The current model is good enough for immediate use by a neurosurgeon. The mathematical model is likely to be a powerful tool for the better treatment of hydrocephalus and other brain biomechanics. The non-linear dimensionless governing equations are solved using a perturbation technique, and the outcome is portrayed graphically with the aid of MATLAB. Full article
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