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 ...

CK Hutchison Holdings, or CKH, is a Hong Kong headquartered conglomerate with key businesses in ports, retail, infrastructure, and telecommunications. The company was created in 2015 to house the ...

CK Birla Group C K Birla’s eponymous conglomerate operates across three industry groups—technology and automotive, home and building solutions, healthcare and education. As of 2021, the group has ...