k-Majority digraphs and the hardness of voting with a constant number of voters

Many hardness results in computational social choice use the fact that every digraph may be induced as the pairwise majority relation of some preference profile. The standard construction requires a number of voters that is almost linear in the number of alternatives and it is unclear whether hardne...

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Bibliographic Details
Main Authors: Bachmeier, G, Brandt, F, Geist, C, Harrenstein, P, Kardel, K, Peters, D, Seedig, H
Format: Journal article
Language:English
Published: Elsevier 2019