Want more charts like these? See our charts on the secrets of the jobless recovery, the richest 1 percent of Americans, and how the superwealthy beat the IRS. How Rich Are the Superrich? A huge share ...

Math during December? Bold choice. But hear me out—these Christmas Coordinate Graphing Sheets actually make it bearable. We’re talking trees, ornaments, and a reindeer or two—all hidden in coordinate ...

Abstract: We consider the problem of designing spectral graph filters for the construction of dictionaries of atoms that can be used to efficiently represent signals residing on weighted graphs. While ...

Abstract: Designing disk-based distributed graph systems has drawn a lot of research due to the strong expressiveness of the graph model and rapidly increasing graph volume. However, several ...

Earlier this month the Mathematics Institute at Uppsala University hosted a conference called Categorification in Algebra and Topology, clearly a theme close to our collective heart. As yet there are ...