Socio-economic networks, neural networks and genetic networks describe collective phenomena through constraints relating actions of several actors, coalitions of these actors and multilinear connectionist operators acting on the set of actions of each coalition. We provide a class of control...

When the dependency ratio inactive/active increases to intolerable proportions, the question arises as to how and when pay-as-you-go social security systems can be controlled so as to safeguard a decent way of life to everyone. Between uncertainty linked to wages and the interest rate, and room...