American students are struggling with math, but what’s really to blame? Some blame the pandemic. Others point to overreliance ...

Abstract: Vector addition systems with states (VASS), also known as Petri nets, are a popular model of concurrent systems. Many problems from many areas reduce to the reachability problem for VASS, ...

Understand vector addition through real physics problem examples. This video explains how vectors combine using clear diagrams and practical applications, making the concept easy to follow for ...

Abstract: In this letter, a 28-GHz variable-gain phase shifter (VG-PS) with phase compensation designed using a Gilbert-cell-based vector summation amplifier integrated with a current-type ...

2 Department of Otorhinolaryngology, Qilu Hospital of Shandong University; NHC Key Laboratory of Otorhinolaryngology, Shandong University, Jinan, China Objectives To conduct an updated systematic ...