Evidence map›Paper›PMID 39961832›Full record

ArticleJournal of mathematical biology2025

Convective stability of the critical waves of an FKPP-type model for self-organized growth.

Florian Kreten

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Article in Journal of mathematical biology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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1 · What the graph read from it

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3 · Its place in the literature

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4 · The record

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5 · Who and what money

Authors and funding

1 author.

Florian KretenInstitut für Angewandte Mathematik, Rheinische Friedrich-Wilhelms-Universität, Endenicher Allee 60, Bonn, 53115, Germany. florian.kreten@uk-koeln.de.ORCID 0000-0003-1938-2590

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

We construct the traveling wave solutions of an FKPP growth process of two densities of particles, and prove that the critical traveling waves are locally stable in a space where the perturbations can grow exponentially at the back of the wave. The considered reaction-diffusion system was introduced by Hannezo et al. (Cell 171(1):242-255, 2017) in the context of branching morphogenesis: active, branching particles accumulate inactive particles, which do not react. Thus, the system features a continuum of steady state solutions, complicating the analysis. We adopt a result by Faye and Holzer (J Differ Equ 269(9):6559-6601, 2020) for proving the stability of the critical traveling waves, and modify the semi-group estimates to spaces with unbounded weights. We use a Feynman-Kac formula to get an exponential a priori estimate for the tail of the PDE, a novel and simple approach.

Indexed as

Models, BiologicalMorphogenesisComputer SimulationDiffusionMathematical ConceptsBranching particle systemConvective stabilityLocal stabilityTraveling wavesWeighted space

Identifiers

PMID39961832
PMCPMC11832597

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