The Lavrentiev phenomenon for invariant variational problems

The Lavrentiev phenomenon for invariant variational problems
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不变变分问题的拉夫连季耶夫现象

DOI:
10.1007/bf00250924
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发表时间:
1988
影响因子:
2.5
通讯作者:
V. Mizel
V. Mizel
中科院分区:
数学1区
文献类型:
--
作者:
A. Heinricher;V. Mizel

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本文考虑极小化问题 $$\bar{I}\left[ y \right]:= \int\limits_{a}^{B} {\bar{f}} \left({x,y\left(x \right),y'\left(x \right)} \right)dx$$ (一) 在绝对连续函数集合y(·)中:[a,B] → n满足终止条件 $$y(a)= lpha,y(B)= 0,$$ (二) 其中α是规定的常数。在(1)中,[a,B]是一个有界区间,““表示关于x的微分,被积函数\(ar f = ar f(x,y,p)\)是光滑的(C3)且非负的.另外,假设\(ar f\)满足: $${ar f_{pp}}等式倾斜0.$$ (三)
In this paper we consider the problem of minimizing $$\bar{I}\left[ y \right]: = \int\limits_{a}^{b} {\bar{f}} \left( {x,y\left( x \right),y'\left( x \right)} \right)dx$$ (1) in the set \(ar A\) of absolutely continuous functions y(·): [a, b] → ℝ satisfying the end conditions $$y(a) = lpha ,y(b) = 0,$$ (2) where α is a prescribed constant. In (1), [a, b] is a bounded interval, “′ ” denotes differentiation with respect to x, and the integrand \(ar f = ar f(x,y,p)\) is assumed to be smooth (C 3) and nonnegative. In addition, \(ar f\) is assumed to satisfy: $${ar f_{pp}} eqslant 0.$$ (3)