This article describes a reduction formula for the computation of multivariate normal probabilities first developed by Plackett. The method is recursive and, despite very promising results, seems not ...

What constraints govern the physical process of computing? Is a minimum amount of energy required, for example, per logic step? There seems to be no minimum, but some other questions are open Editor's ...

Compound movements, such as drinking a cup of tea, are typically produced by threading together a sequence of simple, elemental movements—for example, reaching out, grasping the cup, raising it to the ...

In biological invasions, a large proportion of the genetic variability of an invading population depends on the historical and demographic features of its introduction: the number and genetic ...