Elections with Few Candidates: Prices, Weights, and Covering Problems
Elections with Few Candidates: Prices, Weights, and Covering Problems
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候选人很少的选举:价格、权重和覆盖问题
DOI:
10.1007/978-3-319-23114-3_25
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发表时间:
2015
期刊:
影响因子:
--
通讯作者:
Nimrod Talmon
中科院分区:
文献类型:
--
作者:
Robert Bredereck;Piotr Faliszewski;Rolf Niedermeier;Piotr Skowron;Nimrod Talmon
We show that a number of election-related problems with prices (such as, for example, bribery) are fixed-parameter tractable (in) when parameterized by the number of candidates. For bribery, this resolves a nearly 10-year old family of open problems. Our results follow by a general technique that formulates voting problems as covering problems and extends the classic approach of using integer linear programming and the algorithm of Lenstra [19]. In this context, our central result is thatWeighted Set Multicoverparameterized by the universe size is fixed-parameter tractable. Our approach is also applicable to weighted electoral control for Approval voting. We improve previously known-memberships to-memberships. Our preliminary experiments on real-world-based data show the practical usefulness of our approach for instances with few candidates.
影响因子:
1.1
作者:
Ildikó Schlotter;Piotr Faliszewski;Edith Elkind
通讯作者:
Edith Elkind
DOI:
10.1613/jair.4621
发表时间:
2013
期刊:
ArXiv
影响因子:
--
作者:
Piotr Faliszewski;E. Hemaspaandra;L. Hemaspaandra
通讯作者:
L. Hemaspaandra
DOI:
10.1016/j.jcss.2014.11.003
发表时间:
2015
期刊:
J. Comput. Syst. Sci.
影响因子:
--
作者:
G. Erdélyi;M. Fellows;J. Rothe;Lena Schend
通讯作者:
Lena Schend