2024
DOI: 10.1088/1402-4896/ad52ca
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Invariant analysis of the two-cell tumor growth model in the brain

Akhtar Hussain,
Muhammad Usman,
F D Zaman

Abstract: In this study, we explore the invariance properties of a tumor growth model involving two distinct cell populations. These populations are characterized by different diffusion coefficients but share a common killing rate. This particular model serves as a representation of tumor growth within the brain. By employing the Lie group method, we unveil a two-dimensional symmetry algebra for cases where both diffusion coefficients are allowed to vary arbitrarily. Interestingly, this method reveals a nine-dimensional… Show more

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