Comments on “Thermal solitons along wires with flux-limited lateral exchange” [J. Math. Phys. 62, 101503 (2021)]

Abstract

A derivation error in the article cited in the title of this Comment is pointed out and corrected. In addition, the Maxwell–Cattaneo based model assumed therein is extended to include expected Joule heating effects; an alternative theory of second-sound that allows the same modeling to be performed, but with fewer assumptions, is noted and applied; and the difference between ordinary solitary waves and solitons is recalled.