centrality measures

This paper examines the dependency of stocks in the Nigerian stock market from 2022 to 2023, focusing on the impact of currency note changes in government policy.  The study employs the forest of all minimum-spanning trees derived from the correlation matrix of the top 40 stocks across various sectors and four traditional centrality measures to identify the most influential stocks within the network.  The network analysis results reveal that the sectors dominating the market before the policy change differed from those dominating after the policy change.  Additionally,

No doubt, the majority of people have personal accounts on several social networks, which allow them to exchange information with their family and friends and to follow their interests.  A social network can be defined by a set of social entities and the relationships that these social entities have with each other directly, or indirectly through the length of the links between them.  For a better understanding the interest of the social communication between people, which is the main key for the process of social network analysis, we will use indicators that are suppos