We develop parametric classes of covariance functions on linear networks and their extension to graphs with Euclidean edges, that is, graphs with edges viewed as line segments or more general sets ...

We put forward the concept of measure graphs. These are (possibly uncountable) graphs equipped with an action of a groupoid and a measure invariant under this action. Examples include finite graphs, ...

For novices, functions are one of the most intimidating features of OpenOffice.org's Calc. Newcomers quickly learn that functions are a main feature of spreadsheets, but there are almost four hundred, ...

It may sound like the start of a Frankenstein story, but scientists from New York University (NYU) and the University of Chicago have developed artificial cells made of non-biological matter that ...

Formulas and functions, the nuts and bolts of Excel, both enable you to perform calculations, but they differ in how they're created, what they do, and how they work. In this article, we'll strip the ...