• ISSN 0258-2724
  • CN 51-1277/U
  • EI Compendex
  • Scopus
  • Indexed by Core Journals of China, Chinese S&T Journal Citation Reports
  • Chinese S&T Journal Citation Reports
  • Chinese Science Citation Database
Volume 20 Issue 6
Dec.  2007
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Article Contents
GUO Chunxiang, LI Xusheng, GUO Yaohuang. Minimal Determining Set and Its Unique Existence under Independent Decisiveness Condition ⅡA(S2)[J]. Journal of Southwest Jiaotong University, 2007, 20(6): 763-768.
Citation: GUO Chunxiang, LI Xusheng, GUO Yaohuang. Minimal Determining Set and Its Unique Existence under Independent Decisiveness Condition ⅡA(S2)[J]. Journal of Southwest Jiaotong University, 2007, 20(6): 763-768.

Minimal Determining Set and Its Unique Existence under Independent Decisiveness Condition ⅡA(S2)

  • Received Date: 03 Oct 2006
  • Publish Date: 25 Dec 2007
  • The minimal determining set of social choice function and its unique existence condition were investigated under non-binary choice and the condition that independent decisiveness condition ⅡA(S1) becomes independent decisiveness condition ⅡA(S2).It is proven that the unique minimal determining set and minimal veto set of the choice function exist under the conditions that the choice function satisfies the k-set feasible condition,the unrestricted domain,the Pareto optimality and the independent decisiveness condition ⅡA(S2),and the choice function satisfies the independent decisiveness condition ⅡA(S2) under the above-mentioned conditions if and only if it is oligarchic but not dictatorial.

     

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