Computational Politics: Electoral Systems

  • Authors:
  • Edith Hemaspaandra;Lane A. Hemaspaandra

  • Affiliations:
  • -;-

  • Venue:
  • MFCS '00 Proceedings of the 25th International Symposium on Mathematical Foundations of Computer Science
  • Year:
  • 2000

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Abstract

This paper discusses three computation-related results in the study of electoral systems: 1. Determining the winner in Lewis Carroll's 1876 electoral system is complete for parallel access to NP [22]. 2. For any electoral system that is neutral, consistent, and Condorcet, determining the winner is complete for parallel access to NP [21]. 3. For each census in US history, a simulated annealing algorithm yields provably fairer (in a mathematically rigorous sense) congressional apportionments than any of the classic algorithms--even the algorithm currently used in the United States [24].