In multi-alternative elections, messages in support of or against alternatives spread across
online social media. To make decisions, individuals integrate various sources of information …

We consider a set of voters making a collective decision via simultaneous vote on two binary
issues. Voters' preferences are captured by payoffs assigned to combinations of outcomes …

When individuals interact in a social network their opinions can change, at times quite
significantly, as a result of social influence. In elections, for example, while they might initially …

We analyze how numerical experiments regarding elections were conducted within the
computational social choice literature (focusing on papers published in the IJCAI, AAAI, and …

We study several fairness notions in allocating indivisible chores (ie, items with non-positive
values): envy-freeness and its relaxations. For allocations under each fairness criterion, we …

We consider the problem of poll manipulation in political elections. In the context of strategic
voting, we are interested in whether a polling institute can manipulate the information it …

Majority illusion occurs in a social network when the majority of the network nodes belong to
a certain type but each node's neighbours mostly belong to a different type, therefore …

An iterative election eliminates some candidates in each round until the remaining
candidates have the same score according to a given voting rule. Prominent iterative voting …

In utilitarian social choice settings, agents have cardinal utilities over candidates, while for
many reasons they only report their ordinal rankings for candidates. One possible way is to …

Several studies have proposed that vote tampering based on heuristic algorithms can
manipulate voters' votes. It can be found from the analysis of the poll results of the 2016 US …