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Quarterly of Applied Mathematics

Quarterly of Applied Mathematics

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

   
 
 

 

Mass-conserving solutions to coagulation-fragmentation equations with nonintegrable fragment distribution function


Author: Philippe Laurençot
Journal: Quart. Appl. Math. 76 (2018), 767-785
MSC (2010): Primary 45K05
DOI: https://doi.org/10.1090/qam/1511
Published electronically: June 26, 2018
MathSciNet review: 3855830
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Abstract: Existence of mass-conserving weak solutions to the coagulation-fragmentation equation is established when the fragmentation mechanism produces an infinite number of fragments after splitting. The coagulation kernel is assumed to increase at most linearly for large sizes and no assumption is made on the growth of the overall fragmentation rate for large sizes. However, they are both required to vanish for small sizes at a rate which is prescribed by the (nonintegrable) singularity of the fragment distribution.


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Additional Information

Philippe Laurençot
Affiliation: Institut de Mathématiques de Toulouse, UMR 5219, Université de Toulouse, CNRS F–31062 Toulouse Cedex 9, France
Email: laurenco@math.univ-toulouse.fr

Received by editor(s): April 24, 2018
Published electronically: June 26, 2018
Article copyright: © Copyright 2018 Brown University