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Studies in Choice and Welfare
This paper is concerned with the computational aspects of approval voting and some of its variants, with a particular focus on the complexity of problems that model various ways of tampering with the outcome of an election: manipulation, control, and bribery. For example, in control settings, the election's chair seeks to alter the outcome of an election via control actions such as adding/deleting/partitioning either candidates or voters. In particular, sincere-strategy preferencebased approvaldoi:10.1007/978-3-642-02839-7_10 fatcat:arteomngqfdannmzaubhzhkbwa