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arXiv 1304.0975math.AP
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系数为BV的连续方程的Initial-boundary value problems

Initial-boundary value problems for continuity equations with BV coefficients

Gianluca Crippa, Carlotta Donadello, Laura V. Spinolo

摘要:

建立了具有BV(有界全变差)系数的连续方程初边值问题的适定性。我们不规定任何条件的系数在域的边界处的方向。我们还讨论了一些例子表明,无论在边界处的系数的方向,唯一性可能会被违反,只要BV正则性恶化的边界。

英文摘要:

We establish well-posedness of initial-boundary value problems for continuity equations with BV (bounded total variation) coefficients. We do not prescribe any condition on the orientation of the coefficients at the boundary of the domain. We also discuss some examples showing that, regardless the orientation of the coefficients at the boundary, uniqueness may be violated as soon as the BV regularity deteriorates at the boundary.

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