The SPDR NYSE Technology ETF (NYSEARCA:XNTK) offers something most tech ETFs don't: equal-weighted exposure to the full technology spectrum. While mega-cap funds like QQQ concentrate 40% of assets in ...
Abstract: The aim of this paper is to investigate the multiple criteria group decision-making problem in which the evaluation values provided by experts construct some hesitant fuzzy numbers. We first ...
Abstract: This article proposes a novel position identification algorithm for permanent magnet synchronous motors (PMSMs) operating at zero and low speed. Traditional high-frequency signal injection ...
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