Mathematics – Combinatorics
Scientific paper
2011-12-13
Mathematics
Combinatorics
22 pages, 1 table
Scientific paper
Very recently Gvozdeva, Hemaspaandra, and Slinko (2011) have introduced three hierarchies for simple games in order to measure the distance of a given simple game to the class of weighted voting games or roughly weighted voting games. Their third class $\mathcal{C}_\alpha$ consists of all simple games permitting a weighted representation such that each winning coalition has a weight of at least 1 and each losing coalition a weight of at most $\alpha$. We continue their work and contribute some new results on the possible values of $\alpha$ for a given number of voters.
Freixas Josep
Kurz Sascha
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