The numbers tell a politically uncomfortable truth. A survey of all Grade 4 children in Makhanda’s no-fee public schools this ...

What’s the latest news regarding the war in Ukraine? When are the next French elections? What activites can I do with children while visiting Paris? Your questions answered, based on articles, ...

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 ...