Social communities have drawn a lot of attention in the past decades. We have previously introduced and validated the use of the cohesion, a graph metric which quantitatively captures the community-ness in a social sense of a set of nodes in a graph. Here we show that the problem of maximizing this quantity is NP-Hard. Furthermore, we show that the dual problem of minimizing this quantity, for ...

Abstract Can revenue sharing of resource rents be a source distributive conflict? cohesive institutions avoid such conflicts? We exploit exogenous variation in local government revenues and new data on democratic Nigeria to study these questions. find strong link between conflict. Conflicts are highly organized concentrated districts time-periods with unelected governments. Once governments ele...

This paper employs one-dimensional numerical ground response analysis models to investigate seismic response of shallow cohesive and non-cohesive soil deposits on vertical propagation of horizontal shear waves. Soil response is modelled by traditional equivalent-linear (EL) frequency-domain analysis using DEEPSOIL software and nonlinear (NL) time-domain analysis using OPENSEES software. The ana...

In this study, the effects of cohesiveness soil in area where foundation will be built, and earthquake risk region were examined on construction costs diaphragm wall by well method. Within scope not only is cohesive or non-cohesive, but also relative density 0%, 50% 100%, are discussed. addition, different conditions such as low, medium high taken into consideration. Thus, cost analyses carried...