Sziklai, Balázs; Solymosi, Tamás; Fleiner, Tamás - 2014
-based cost games. We demonstrate that in general a DAG-game is not concave, even its core might be empty, but we provide an … associated DAG-game. We introduce a network canonization process and prove various structural results for the core of canonized … DAG-games. In particular, we characterize classes of coalitions that have a constant payoff in the core. In addition, we …