The Price to Earnings (P/E) ratio, a key valuation measure, is calculated by dividing the stock's most recent closing price by the sum of the diluted earnings per share from continuing operations for ...

Abstract: I welcome you to the fourth issue of the IEEE Communications Surveys and Tutorials in 2021. This issue includes 23 papers covering different aspects of communication networks. In particular, ...

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Carl Zeiss Meditec AG engages in the development, manufacture, and marketing of medical devices. It operates through the Ophthalmic Strategic Business Unit (SBU) and Microsurgery business SBU segments ...

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† Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, P.R. China ‡ Graduate University of Chinese Academy of Sciences, ...