3 papers
math.AP2026
Exact self similar solutions for nonlinear coupled heat elastic wave systems with temperature dependent material properties
Manjit Singh, Radhika
In this work, we study a coupled nonlinear thermoelastic system in which the heat capacity, thermal conductivity, and elastic modulus are all temperature-dependent. The thermal con…
nlin.SI2026
Lie symmetry classification and group invariant solutions of generalized radial heat equation with nonlinear reaction source
Manjit Singh, Radhika
This work presents a Lie symmetry classification of a generalized nonlinear heat equation with a reaction source term in radial geometry. The model involves three arbitrary constit…
nlin.SI2026
Lie symmetry classification of a coupled nonlinear cross-diffusion system in radial geometry
Manjit Singh, Radhika
In this work, Lie symmetry analysis is performed on a coupled nonlinear cross-diffusion system with varying cross-section geometry. The system describes two interacting quantities…