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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…