An approach to the subproblem of the Cutting Angle Method of Global Optimization


Nuriyev U.

JOURNAL OF GLOBAL OPTIMIZATION, vol.31, no.3, pp.353-370, 2005 (Journal Indexed in SCI) identifier identifier

  • Publication Type: Article / Article
  • Volume: 31 Issue: 3
  • Publication Date: 2005
  • Doi Number: 10.1007/s10898-004-1687-x
  • Title of Journal : JOURNAL OF GLOBAL OPTIMIZATION
  • Page Numbers: pp.353-370

Abstract

The solution of the Subproblem of the Cutting Angle Method of Global Optimization for problems of minimizing increasing positively homogeneous of degree one functions is proved to be NP-Complete. For the proof of this fact we formulate another problem which we call "Dominating Subset with Minimal Weight". This problem is also NP-Complete. An O(n(2))-time algorithm is presented for approximate solution of Dominant Subset with Minimal Weight Problem. This problem can be expressed as a kind of Assignment Problem in which it is allowed to assign multiple tasks to a single processor. Experimental analysis of the algorithm is performed using the program implemented in ANSI-C. The results of the analysis show the efficiency of the proposed algorithm.