When black holes collide, the impact radiates into space like the sound of a bell in the form of gravitational waves. But ...

Abstract: With the rapid development of Internet of Things technologies, zigbee-based wireless signal positioning has shown great potential in applications such as smart homes and industrial ...

Abstract: Pickup and Delivery Problem with Time Windows (PDPTW) is a prevalent research direction in modern logistics transportation. In this challenging problem, customers are divided into pickup ...