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arXiv 1701.02230math.AP
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线性增长积分泛函在PDE约束下的下半连续性和松弛性

Lower semicontinuity and relaxation of linear-growth integral functionals under PDE constraints

Adolfo Arroyo-Rabasa, Guido De Philippis, Filip Rindler

摘要:

我们显示一般的下半连续性和松弛定理的线性增长积分泛函定义的向量测量,满足线性PDE侧约束(任意阶)。这些结果推广了几个已知的BV、BD和更一般的一阶线性偏微分方程边约束的下半连续性和松弛定理。我们的证明是基于最近的进展,在了解奇异性的措施解决方案,线性偏微分方程和广义凸性的概念,对应于这些偏微分方程的约束。

英文摘要:

We show general lower semicontinuity and relaxation theorems for linear-growth integral functionals defined on vector measures that satisfy linear PDE side constraints (of arbitrary order). These results generalize several known lower semicontinuity and relaxation theorems for BV, BD, and for more general first-order linear PDE side constrains. Our proofs are based on recent progress in the understanding of singularities of measure solutions to linear PDEs and of the generalized convexity notions corresponding to these PDE constraints.

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