A Relation Between Pointwise Convergence of Functions and Convergence of Functionals

A Relation Between Pointwise Convergence of Functions and Convergence of Functionals
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DOI:
10.1007/978-3-642-55925-9_42
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发表时间:
1983-03
期刊:
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影响因子:
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通讯作者:
H. Brezis;E. Lieb
H. Brezis;E. Lieb
中科院分区:
其他
文献类型:
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作者:
H. Brezis;E. Lieb

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我们证明了IF是度量空间上一致有界的函数序列,如果是逐点的,则对所有函数都是一致有界的。这一结果也在定理2中推广到除泛函外的某些泛函,即适用于和适用于一个序列。简要讨论了这一结果在变分问题中的应用。参考文献
We show that ifis a sequence of uniformly-bounded functions on a measure space, and ifpointwise ae, thenfor all. This result is also generalized in Theorem 2 to some functionals other than thenorm, namelyfor suitableand a suitable sequence. A brief discussion is given of the usefulness of this result in variational problems. References