License: Creative Commons Attribution-NoDerivs 3.0 Unported license (CC BY-ND 3.0)
When quoting this document, please refer to the following
DOI: 10.4230/LIPIcs.STACS.2013.377
URN: urn:nbn:de:0030-drops-39498
URL: http://dagstuhl.sunsite.rwth-aachen.de/volltexte/2013/3949/
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Hemaspaandra, Edith ; Hemaspaandra, Lane A. ; Menton, Curtis

Search versus Decision for Election Manipulation Problems

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Abstract

Most theoretical definitions about the complexity of manipulating elections focus on the decision problem of recognizing which instances can be successfully manipulated, rather than the search problem of finding the successful manipulative actions. Since the latter is a far more natural goal for manipulators, that definitional focus may be misguided if these two complexities can differ. Our main result is that they probably do differ: If integer factoring is hard, then for election manipulation, election bribery, and some types of election control, there are election systems for which recognizing which instances can be successfully manipulated is in polynomial time but producing the successful manipulations cannot be done in polynomial time.

BibTeX - Entry

@InProceedings{hemaspaandra_et_al:LIPIcs:2013:3949,
  author =	{Edith Hemaspaandra and Lane A. Hemaspaandra and Curtis Menton},
  title =	{{Search versus Decision for Election Manipulation Problems}},
  booktitle =	{30th International Symposium on Theoretical Aspects of Computer Science (STACS 2013)},
  pages =	{377--388},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-939897-50-7},
  ISSN =	{1868-8969},
  year =	{2013},
  volume =	{20},
  editor =	{Natacha Portier and Thomas Wilke},
  publisher =	{Schloss Dagstuhl--Leibniz-Zentrum fuer Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{http://drops.dagstuhl.de/opus/volltexte/2013/3949},
  URN =		{urn:nbn:de:0030-drops-39498},
  doi =		{10.4230/LIPIcs.STACS.2013.377},
  annote =	{Keywords: Search vs. decision, application of structural complexity theory}
}

Keywords: Search vs. decision, application of structural complexity theory
Collection: 30th International Symposium on Theoretical Aspects of Computer Science (STACS 2013)
Issue Date: 2013
Date of publication: 26.02.2013

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