We show that the two NP-complete problems of Dodgson Score and Young Score have differing computational complexities when the winner is close to being a Condorcet winner. On the ...
On November 3, 2009, voters in Takoma Park, Maryland, cast ballots for mayor and city council members using the ScantegrityII voting system--the first time any end-to-end (e2e) vo...
Richard Carback, David Chaum, Jeremy Clark, John C...
For many election systems, bribery (and related) attacks have been shown NP-hard using constructions on combinatorially rich structures such as partitions and covers. It is import...
Felix Brandt, Markus Brill, Edith Hemaspaandra, La...