Infinite propagation speed of a weakly dissipative modified two-component Dullin-Gottwald-Holm system

Abstract We consider the infinite propagation speed of a weakly dissipative modified two-component Dullin–Gottwald–Holm (mDGH2) system. The infinite propagation speed is derived for the corresponding solution with compactly supported initial data that does not have compact support any longer in its lifespan.

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