This research is funded in the context of the project “Investigating alternative computational methods and their use in computational problems related to optimization and game theory,” (MIS 5007500) under the call for proposals “Supporting researchers with an emphasis on young researchers” (EDULL34). The project is co-financed by Greece and the European Union (European Social Fund – ESF) by the Operational Programme Human Resources Development, Education and Lifelong Learning 2014-2020.