July Fourth marks summer's midway point and, of course, America's birthday. In 2026, the U.S. will celebrate 250 years and the party promises to be one for the history books. However you plan to mark ...

Think back to the last time you jotted down a quick note or made a grocery list. Chances are, it wasn’t with pen and paper. Over the past decade, keyboards and screens have quietly replaced ...

Abstract: Signal processing on directed graphs (digraphs) is problematic, since the graph shift, and thus associated filters, are in general not diagonalizable. Furthermore, the Fourier transform in ...