FENCHEL DUALITY, FUNCTIONS AND THE KIRSZBRAUN–VALENTINE EXTENSION

FENCHEL DUALITY, FUNCTIONS AND THE KIRSZBRAUN–VALENTINE EXTENSION
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FENCHEL 二元性、功能和 KIRSZBRAUN-Valentine 延伸

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发表时间:
2005
期刊:
影响因子:
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通讯作者:
S. Reich
S. Reich
中科院分区:
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文献类型:
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作者:
S. Reich

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。给出了经典Kirszbraun-瓦伦丁延拓定理的一个新证明。我们的证明是基于凸分析中的Fenchel对偶定理和单调算子理论中Fitzpatrick函数的非扩张映射的类似。
. We present a new proof of the classical Kirszbraun–Valentine extension theorem. Our proof is based on the Fenchel duality theorem from convex analysis and an analog for nonexpansive mappings of the Fitzpatrick function from monotone operator theory.