In macroeconomics, the twin deficits hypothesis or the twin deficits phenomenon, is the observation that, theoretically, there is a strong causal link between a nation's government budget balance and its current account balance.
In category theory, a branch of mathematics, Grothendieck's homotopy hypothesis states that the ∞-groupoids are spaces. If we model our ∞-groupoids as Kan complexes, then the homotopy types of the...
A twin-fuselage aircraft has two main fuselages. It is distinct from the twin-boom configuration which has a single main fuselage with two subsidiary boom structures. Twin fuselages have been adopted...
