Hemivariational Inequality Approach to Evolutionary Constrained Problems on Star-Shaped Sets

Hemivariational Inequality Approach to Evolutionary Constrained Problems on Star-Shaped Sets
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星形集演化约束问题的半变分不等式方法

DOI:
10.1007/s10957-014-0587-6
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发表时间:
2015-02
影响因子:
1.9
通讯作者:
Peng, Zijia
Peng, Zijia
中科院分区:
数学3区
文献类型:
--
作者:
Liu, Zhenhai;Migorski, Stanislaw;Ochal, Anna;Peng, Zijia

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研究一类星形集的非凸演化约束问题。该问题是经典的抛物型演化变分不等式的推广。我们提供了一个存在性结果;利用半变分不等式方法、自反巴拿赫空间中多值伪单调算子的满性定理和惩罚方法证明了该算子。对于某一球,允许约束集是封闭的星形;这允许我们使用距离函数的广义Clarke子微分的不连续性质。将所得结果应用于非凸约束下的热传导问题。
In this paper, we consider a nonconvex evolutionary constrained problem for a star-shaped set. The problem is a generalization of the classical evolution variational inequality of parabolic type. We provide an existence result; the proof is based on the hemivariational inequality approach, a surjectivity theorem for multivalued pseudomonotone operators in reflexive Banach spaces, and a penalization method. The admissible set of constraints is closed and star-shaped with respect to a certain ball; this allows one to use a discontinuity property of the generalized Clarke subdifferential of the distance function. An application of our results to a heat conduction problem with nonconvex constraints is provided.
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