Non-subdifferentiability optimality and mean value theorems via new relative subdifferentials
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| Format: | Preprint |
| Publié: |
2024
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| _version_ | 1866910648749785088 |
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| author | Thinh, Vo Duc Chuong, Thai Doan Qin, Xiaolong |
| author_facet | Thinh, Vo Duc Chuong, Thai Doan Qin, Xiaolong |
| contents | Motivated by the optimality principles for non-subdifferentiable optimization problems, we introduce new relative subdifferentials and examine some properties for relatively lower semicontinuous functions including $ε$-regular subdifferential and limiting subdifferential relative to a set. The fuzzy sum rule for the relative $ε$-regular subdifferentials and the sum rule for the relative limiting subdifferentials are established. We utilize these relative subdifferentials to establish optimality conditions for non-subdifferentiable optimization problems under mild constraint qualifications. Examples are given to demonstrate that the optimality conditions obtained work better and sharper than some existing results. We also provide different versions of mean value theorems via the relative subdifferentials and employ them to characterize the equivalences between the convexity relative to a set and the monotonicity of the relative subdifferentials of a non-subdifferentiable function. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2410_10065 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Non-subdifferentiability optimality and mean value theorems via new relative subdifferentials Thinh, Vo Duc Chuong, Thai Doan Qin, Xiaolong Optimization and Control 49J53, 90C30, 90C31 Motivated by the optimality principles for non-subdifferentiable optimization problems, we introduce new relative subdifferentials and examine some properties for relatively lower semicontinuous functions including $ε$-regular subdifferential and limiting subdifferential relative to a set. The fuzzy sum rule for the relative $ε$-regular subdifferentials and the sum rule for the relative limiting subdifferentials are established. We utilize these relative subdifferentials to establish optimality conditions for non-subdifferentiable optimization problems under mild constraint qualifications. Examples are given to demonstrate that the optimality conditions obtained work better and sharper than some existing results. We also provide different versions of mean value theorems via the relative subdifferentials and employ them to characterize the equivalences between the convexity relative to a set and the monotonicity of the relative subdifferentials of a non-subdifferentiable function. |
| title | Non-subdifferentiability optimality and mean value theorems via new relative subdifferentials |
| topic | Optimization and Control 49J53, 90C30, 90C31 |
| url | https://arxiv.org/abs/2410.10065 |