• Group Belief 

      Ågotnes, Thomas; Wang, Yi N. (Journal article; Peer reviewed, 2020)
      While logical formalizations of group notions of knowledge such as common and distributed knowledge have received considerable attention in the literature, most approaches being based on modal logic, group notions of belief ...
    • Modal Logics and Group Polarization 

      Pedersen, Mina Young; Smets, Sonja; Ågotnes, Thomas (Journal article; Peer reviewed, 2021)
      This paper proposes different ways of modally defining properties related to the concept of balance in signed social networks where relations can be either positive or negative. The motivation is to be able to formally ...
    • What will they say?—Public Announcement Games 

      Ågotnes, Thomas; Ditmarsch, Hans van (Peer reviewed; Journal article, 2010-11-03)
      Dynamic epistemic logic describes the possible information-changingactions available to individual agents, and their knowledge pre- and post conditions.For example, public announcement logic describes actions in the form ...