nowadays, election is one of the important issues in all the countries that their political system is based on democracy. this study investigated the effectiveness of promotional tools on the behavior of voters in the eleventh round of iran's presidential election. in this study, media campaign tools were divided into two categories of media and non-media ones and the effect of each on the vote...

The Swiss e-voting system, developed and used by the Canton Zurich, is unique world-wide for it accommodates voting on referenda and elections through the Internet and with mobile phones. It provides the basis for secure vote casting, precise vote counting, and rapid result dissemination. The system was successfully tested and used over the past two years for six elections and referenda at the ...

We consider the approval-based model of elections, and undertake a computational study of voting rules which select committees whose size is not predetermined. While voting rules that output committees with a predetermined number of winning candidates are quite well studied, the study of elections with variable number of winners has only recently been initiated by Kilgour [18]. This paper aims ...

Although recent years have seen a surge of interest in the computational aspects of social choice, no specific attention has previously been devoted to elections with multiple winners, e.g., elections of an assembly or committee. In this paper, we characterize the worst-case complexity of manipulation and control in the context of four prominent multiwinner voting systems, under different formu...

The UK government’s experiments withr remote voting (by post, Internet, telephone and SMS) have focused on increasing turnout at elections. The data so far however show that those already most likely to vote, and those with an incentive to commit electoral fraud, have received the greatest benefit. This has not provided a solid base for the public trust necessary to “e-enable” elections, and ha...

It is a common fear in many countries that ideological parties will come to power through elections but will implement extreme policies. Many countries cope with this problem by overriding the election results when such parties are elected. We demonstrate that the alternative approach of containing these parties within the democratic system is more effective. We show that, as the probability of...