We consider a brane-world cosmological model coupled to a bulk scalar field. Since the brane tension turns out to be proportional to Newton’s coupling G, in such a model a time variation of G naturally occurs. By resorting ...

We stand at an extraordinary and challenging moment in world history. The twin, interrelated crises of COVID-19 and the breakdown of economic globalization have demonstrated both the weakness of current “world order” (or ...

This paper analyzes the procedure used by FIFA up until 2018 to rank national football teams and define by random draw the groups for the initial phase of the World Cup finals. A predictive model is calibrated to form a ...

Although there is such a thing as a world economy, the major theoretical schools in the field of economics take into consideration only the restricted national space. When the international economy is referenced, both ...

We present here a notion of state of the world general enough to embrace most circular phenomena in economics and game theory. We prove that it obtains by unfolding beliefs only if the process of belief generation has a ...

This paper propose to show the relevance of a reconsideration of the time-space notions, in order to make possible an epistemological analysis of the world images as an ontological component of theories. The argumentative ...

Three weeks into the world's most famous football tournament, you'd be forgiven for thinking those charts, maps and infographics you've been seeing everywhere were some kind of symptom of your World Cup fever. They are ...