Ambrosio, L; Bouchut, F; De Lellis, C (2004). Well-posedness for a class of hyperbolic systems of conservation laws in several space dimensions. Communications in Partial Differential Equations, 29(9-10):1635-1651.
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In this paper we consider a system of conservation laws in several space dimensions whose nonlinearity is due only to the modulus of the solution. This system, first considered by Keyfitz and Kranzer in one space dimension, has been recently studied by many authors. In particular, using standard methods from DiPerna-Lions theory, we improve the results obtained by the first and third author, showing existence, uniqueness and stability results in the class of functions whose modulus satisfies, in the entropy sense, a suitable scalar conservation law. In the last part of the paper we consider a conjecture on renormalizable solutions and show that this conjecture implies another one recently made by Bressan in connection with the system of Keyfitz and Kranzer.
|Item Type:||Journal Article, refereed, original work|
|Communities & Collections:||07 Faculty of Science > Institute of Mathematics|
|Dewey Decimal Classification:||510 Mathematics|
|Uncontrolled Keywords:||Hyperbolic systems; Several dimensions; Renormalized solutions|
|Deposited On:||17 Sep 2010 07:08|
|Last Modified:||28 Nov 2013 00:33|
|Publisher:||Taylor & Francis|
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