Political battles in Washington are now being waged not over millions, but over pocket change. The Treasury Department is preparing to print President Donald Trump's face on a $1 coin commemorating ...

Silver has been on a remarkable run recently, with prices climbing dramatically over the past year as investors seek out safe-haven assets amid economic uncertainty. The precious metal has outpaced ...

Abstract: The effectiveness and flexibility of greedy algorithms are comprehensively explored and proven in the current study, with an analysis of application examples in a series of optimization ...

Abstract: Controlling large complex networks is a common and important problem. In the field of network control, controlling target nodes is more efficient and feasible than controlling all nodes to ...