However, achieving this universally accepted “order fairness” is fundamentally impossible unless it is assumed that all nodes can communicate instantaneously (i.e., operating in an instant synchronous ...

Two mathematicians have proved that a straightforward question—how hard is it to untie a knot?—has a complicated answer.

Abstract: Internet of Things (IoT) and wireless sensor networks (WSN) have significant potential for a wide range of applications. However, these methods are hindered by resource constraints, ...