Abstract: The Doppler shift in the signal frequency caused by the relative movement of the receiver is considered to be detrimental for communication systems. Although this problem has been studied ...

The Publican’s Best Late Night Operator winner posted turnover of £47.5m, down from £49m the previous year, while operating profit fell to £5m from £5.2m. Profit before tax declined to £3.3m, compared ...

Abstract: We investigate Laplacian shift operators for directed acyclic graphs (DAGs). In a DAG, the adjacency matrix is nilpotent, yielding an all-zero eigenvalue spectrum that makes adjacency-based ...

The audio version of this article is generated by AI-based technology. Mispronunciations can occur. We are working with our partners to continually review and improve the results. Shortly after the ...

Ghana has taken a decisive regulatory step by legalizing cryptocurrency use nationwide. The move signals growing acceptance of digital assets. Moreover, the decision-makers among the legislators were ...

Time was, military contractors appealed to equity investors for their stodginess — predictable revenue, solid profit margins and reliable dividends. Times change. While weaponry behemoths like fighter ...