On invariant solutions of linear time-fractional diffusion-wave equations with variable coefficients

Fuente: arXiv
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Autores principales: Adiya, Sodbaatar, Dorjgotov, Khongorzul, Gombodorj, Bayarmagnai, Ochiai, Hiroyuki, Zunderiya, Uuganbayar
Formato: Preprint
Publicado: 2026
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author Adiya, Sodbaatar
Dorjgotov, Khongorzul
Gombodorj, Bayarmagnai
Ochiai, Hiroyuki
Zunderiya, Uuganbayar
author_facet Adiya, Sodbaatar
Dorjgotov, Khongorzul
Gombodorj, Bayarmagnai
Ochiai, Hiroyuki
Zunderiya, Uuganbayar
contents We study invariant solutions of a certain class of time-fractional diffusion-wave equations with variable coefficients via Lie symmetry analysis. In physics, the fractional diffusion equation describes transport dynamics that are governed by anomalous diffusion while the fractional wave equation describes oscillations and wave propagation in various physical systems. In order to obtain exact invariant solutions of these equations, we firstly determine infinitesimal symmetries with respect to the variable coefficients of the equations. With the help of these symmetries, we then find solutions in terms of Mittag-Leffler functions, generalized Wright functions and Fox H-functions.
format Preprint
id arxiv_https___arxiv_org_abs_2604_21267
institution arXiv
publishDate 2026
record_format arxiv
spellingShingle On invariant solutions of linear time-fractional diffusion-wave equations with variable coefficients
Adiya, Sodbaatar
Dorjgotov, Khongorzul
Gombodorj, Bayarmagnai
Ochiai, Hiroyuki
Zunderiya, Uuganbayar
Mathematical Physics
We study invariant solutions of a certain class of time-fractional diffusion-wave equations with variable coefficients via Lie symmetry analysis. In physics, the fractional diffusion equation describes transport dynamics that are governed by anomalous diffusion while the fractional wave equation describes oscillations and wave propagation in various physical systems. In order to obtain exact invariant solutions of these equations, we firstly determine infinitesimal symmetries with respect to the variable coefficients of the equations. With the help of these symmetries, we then find solutions in terms of Mittag-Leffler functions, generalized Wright functions and Fox H-functions.
title On invariant solutions of linear time-fractional diffusion-wave equations with variable coefficients
topic Mathematical Physics
url https://arxiv.org/abs/2604.21267