Nonsmooth optimization by successive abs-linearization in function spaces
APPLICABLE ANALYSIS(2022)
摘要
We present and analyze the solution of nonsmooth optimization problems by a quadratic overestimation method in a function space setting. Under certain assumptions on a suitable local model, we show convergence to first-order minimal points. Subsequently, we discuss an approach to generate such a local model using the so-called abs-linearization. Finally, we discuss a class of PDE-constrained optimization problems incorporating the L-1-penalty term that fits into the considered class of nonsmooth optimization problems.
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关键词
Jen-Chih Yao,Abs-linearization,quadratic overestimation method,first-order minimality
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