Abstract: The identification of key nodes is vital in the research of many complex networks such as protein networks. Currently, the main research focuses on ordinary graphs that cannot describe ...

Abstract: Understanding what algorithms are really about can be quite hard for students, mostly because they are theoretical and often taught using old-fashioned ways like simple pictures and texts.

NEW YORK, Jan 22 (Reuters) - Oil major Shell (SHEL.L), opens new tab is considering a sale of its assets in Argentina's Vaca Muerta shale play and has approached potential buyers in recent weeks to ...