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Quarterly of Applied Mathematics

Quarterly of Applied Mathematics

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

   
 
 

 

Qualitative behavior of conservation laws with reaction term and nonconvex flux


Author: Corrado Mascia
Journal: Quart. Appl. Math. 58 (2000), 739-761
MSC: Primary 35L65; Secondary 35L60, 74J30
DOI: https://doi.org/10.1090/qam/1788426
MathSciNet review: MR1788426
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Abstract: The aim of the paper is to study qualitative behavior of solutions to the equation \[ \frac {{\partial u}}{{\partial t}} + \frac {{\partial f\left ( u \right )}}{{\partial x}} = g\left ( u \right ) ,\] where $\left ( x, t \right ) \in \mathbb {R} \times {\mathbb {R}_ + }, u = u\left ( x, t \right ) \in \mathbb {R}$. The main new feature with respect to previous works is that the flux function $f$ may have finitely many inflection points, intervals in which it is affine, and corner points. The function $g$ is supposed to be zero at 0 and 1, and positive in between.


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Article copyright: © Copyright 2000 American Mathematical Society