Graph models have emerged as a pivotal framework in the analysis of strategic conflicts and the development of decision support systems. These models represent conflicts as networks, where nodes ...

But in countries, communities and households in every corner of the world, this essential need – this human right – is going unfulfilled. Every day, hundreds of millions of people go to bed hungry.

Rich or poor, young or old — every person in the world needs to eat. Safe and nutritious food provides not only life and health, but hope. Every day, billions of people harvest, process and transport ...