Subdifferentials of perturbed distance functions in Banach spaces

  • Authors:
  • Jin-Hua Wang;Chong Li;Hong-Kun Xu

  • Affiliations:
  • Department of Mathematics, Zhejiang University of Technology, Hangzhou, People's Republic of China 310032;Department of Mathematics, Zhejiang University, Hangzhou, People's Republic of China 310027;Department of Applied Mathematics, National Sun Yat-sen University, Kaohsiung, Taiwan 804

  • Venue:
  • Journal of Global Optimization
  • Year:
  • 2010

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Abstract

In general Banach space setting, we study the perturbed distance function $${d_S^J(\cdot)}$$ determined by a closed subset S and a lower semicontinuous function J (·). In particular, we show that the Fréchet subdifferential and the proximal subdifferential of a perturbed distance function are representable by virtue of corresponding normal cones of S and subdifferentials of J (·).