Yunjun Lu

Mar 15, 2024 | mdpi.com | Dezhi Li |Yunjun Lu |Jianping Wu |Wenlu Zhou

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Sep 22, 2023 | mdpi.com | Jianping Wu |Dezhi Li |Yunjun Lu |Wenlu Zhou

1. IntroductionThere are various complex systems in the fields of natural science and social science, such as atmospheric systems, computer networks, and human societies [1,2,3,4]. In these complex systems, there are numerous system factors, which are interrelated and work together on the operating state or output result of the system. However, there is no doubt that among all these factors, there are often a few that play a dominant role, which we call the key influencing factors [5,6].