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Quarterly of Applied Mathematics

Quarterly of Applied Mathematics

Online ISSN 1552-4485; Print ISSN 0033-569X

   
 
 

 

On a quaternary nonlocal isoperimetric problem


Authors: Stanley Alama, Lia Bronsard, Xinyang Lu and Chong Wang
Journal: Quart. Appl. Math. 82 (2024), 97-113
MSC (2020): Primary 49J45, 49J10, 49Q05
DOI: https://doi.org/10.1090/qam/1675
Published electronically: July 3, 2023
MathSciNet review: 4695277
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Abstract: We study a two-dimensional quaternary inhibitory system. This free energy functional combines an interface energy favoring micro-domain growth with a Coulomb-type long range interaction energy which prevents micro-domains from unlimited spreading. Here we consider a limit in which three species are vanishingly small, but interactions are correspondingly large to maintain a nontrivial limit. In this limit two energy levels are distinguished: the highest order limit encodes information on the geometry of local structures as a three-component isoperimetric problem, while the second level describes the spatial distribution of components in global minimizers. Geometrical descriptions of limit configurations are derived.


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Additional Information

Stanley Alama
Affiliation: Department of Mathematics and Statistics, McMaster University, 1280 Main Street West, Hamilton, Ontario L8S 4K1, Canada
MR Author ID: 268087
Email: alama@mcmaster.ca

Lia Bronsard
Affiliation: Department of Mathematics and Statistics, McMaster University, 1280 Main Street West, Hamilton, Ontario L8S 4K1, Canada
MR Author ID: 293679
ORCID: 0000-0002-0356-1714
Email: bronsard@mcmaster.ca

Xinyang Lu
Affiliation: Department of Mathematical Sciences, Lakehead University, 955 Oliver Road, Thunder Bay, Ontario P7B 5E1, Canada
MR Author ID: 974881
Email: xlu8@lakeheadu.ca

Chong Wang
Affiliation: Department of Mathematics, Washington and Lee University, Chavis Hall, 204 W Washington Street, Lexington, VA 24450-1799
Email: cwang@wlu.edu

Received by editor(s): March 5, 2023
Received by editor(s) in revised form: May 28, 2023
Published electronically: July 3, 2023
Additional Notes: The first, second, and third authors were supported by the Natural Science and Engineering Research Council (Canada) through the Discovery Grants program.
Dedicated: This paper is a heartfelt tribute to Bob Pego, acknowledging his profound and enduring contributions to the field of PDEs and applied mathematics.
Article copyright: © Copyright 2023 Brown University