Lehrer, Ehud; Samet, Dov - In: Theoretical economics : TE ; an open access journal in … 6 (2011) 2, pp. 269-287
Aumann has shown that agents who have a common prior cannot have common knowledge of their posteriors for event $E$ if these posteriors do not coincide. But given an event $E$, can the agents have posteriors with a common prior such that it is common knowledge that the posteriors for $E$...