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Hierarchies in communities of Borsa Istanbul Stock Exchange
(Hacettepe Univ, Fac Sci, 2018)
Nowadays, increase of the analyzing stock markets as complex systems lead graph theory to play key role. For instance detecting graph communities is an important task in the analysis of stocks, and minimum spanning trees ...
Geodetic convex boundary curvatures of the communities in stock market networks
(Elsevier Science Bv, 2018)
We analyze the daily returns of stock market indices of NASDAQ and S&P 500 over the period of 2004-2015. We build network models by using a threshold method that captures strong relations amongst the agents. We also subdivide ...