Uniqueness and nonuniqueness of fronts for degenerate diffusion-convection reaction equations

Berti Diego and Corli Andrea and Malaguti Luisa: Uniqueness and nonuniqueness of fronts for degenerate diffusion-convection reaction equations. (2020)

[thumbnail of ejqtde_2020_066.pdf]
Preview
Teljes mű
ejqtde_2020_066.pdf

Download (689kB) | Preview

Abstract

We consider a scalar parabolic equation in one spatial dimension. The equation is constituted by a convective term, a reaction term with one or two equilibria, and a positive diffusivity which can however vanish. We prove the existence and several properties of traveling-wave solutions to such an equation. In particular, we provide a sharp estimate for the minimal speed of the profiles and improve previous results about the regularity of wavefronts. Moreover, we show the existence of an infinite number of semi-wavefronts with the same speed.

Item Type: Journal
Publication full: Electronic journal of qualitative theory of differential equations
Date: 2020
Number: 66
ISSN: 1417-3875
Number of Pages: 34
Language: English
DOI: 10.14232/ejqtde.2020.1.66
Uncontrolled Keywords: Differenciálegyenlet
Additional Information: Bibliogr.: p. 32-34. ; összefoglalás angol nyelven
Date Deposited: 2021. Nov. 05. 12:27
Last Modified: 2021. Nov. 05. 12:27
URI: http://acta.bibl.u-szeged.hu/id/eprint/73627

Actions (login required)

View Item View Item