Proximinal and Cebysev Sets in Normed Linear Spaces
英文摘要：
In this paper, we study a part of approximation theory that presents the conditions under which a closed set in a normed linear space is proximinal or Chebyshev.
机构、总结、中文摘要均由AI分析而来，可能存在错误，请以论文正文为准。
