This paper deals with the problem of obtaining the minimum winning coalition and its stability level. The construction of a coalition is modeled using fuzzy sets by taking into account the position of the members on a set of political subjects of interest. Fuzzy sets allow to consider the...

During the life span of Spanish democracy, we have repeatedly observed many "puzzles" arising from the results of a general, state or municipal election, which, in turn, give way to governments based in partnerships of several political parties. In many democracies, it is a sine qua non...

Airlines constantly face disruptions caused by external or internal factors like extreme weather conditions, unavailability of crew members, aircraft breakdowns, or airspace capacity shortages. These disruptions prevent the execution of the schedule. Significant research has been devoted to both...