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BV instability for the Lax-Friedrichs scheme

TitleBV instability for the Lax-Friedrichs scheme
Publication TypePreprint
2007
AuthorsBaiti, P, Bressan, A, Jenssen, HK
Document NumberSISSA;100/2004/M

It is proved that discrete shock profiles (DSPs) for the Lax-Friedrichs scheme for a system of conservation laws do not necessarily depend continuously in BV on their speed. We construct examples of $2 \\\\times 2$-systems for which there are sequences of DSPs with speeds converging to a rational number. Due to a resonance phenomenon, the difference between the limiting DSP and any DSP in the sequence will contain an order-one amount of variation.

http://hdl.handle.net/1963/2335

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