- A. Nobi, S.E.Maeng, G.H.Ha and J.W.Lee, “Random matrix theory and cross-correlations in global financial indices and local stock market indices, Korean Physical Society, vol.62, no.4, pp.569-574, Feb. 2013)(I.F = 0.445)
- A. Nobi, S. Lee, D.H.KIM, J. W. Lee, Correlation and network topologies in global and local stock indices , Physics Letters A, vol.378,no.34, pp. 2482–2489,Jul.2014(I.F=1.67).
- A. Nobi, S.E.Maeng, G.G.Ha and J.W.Lee, “Effects of global financial crisis on network structure in local stock market, Physica A, vol.407, pp.135-143,Aug.2014 (I.F = 1.785).
- A. Nobi, S.E.Maeng, G.H.Ha and J.W.Lee, Structural change of minimal spanning tree and hierarchical network in stock market around global financial crisis, Korean Physical Society, vol.66,no.8,pp.1153-1159, Apr.2015((I.F = 0.445).
- G.G.Ha ,J.W.Lee, A. Nobi, Threshold network of a financial market using the P-value of correlation coefficients, Korean Physical Society, vol.66,no.12,pp.1802-1808, Jul.2015((I.F = 0.445).
- A. Nobi, J.W.Lee, States and group dynamics of world stock market by principal component analysis, Physica A, vol.450, pp.85-94,May.2016 (I.F = 1.785)
- J.W.Lee, A. Nobi, State and network structures of stock markets around the global financial crisis,Computational economics, pp-1-16,March,2017(I.F=1.053)
- A. Nobi, J.W.Lee, Systemic risk and hierarchical transition of financial network, Chaos 27, 063107 (2017) (I.F.= 2.283)
- A. Nobi, J.W.Lee, Dynamic of consumer groups and response of commodity market by principal component analysis, Physica A, vol.482,pp.337-344, 2017 (I.F=2.243)
- A.Nobi, J.W.Lee, Financial states of world financial and commodities markets around sovereign debt crisis, Journal of the Korean Physical Society, Vol. 71, No. 10, November 2017, pp. 733∼739 (I.F.=0.467).
- E. U. Patwary, J. Y. Lee, A. Nobi, D. H. Kim, J. W. Lee, Changes of hierarchical network in local and world stock market, Journal of the Korean Physical Society (2017) 71: 444(I.F.=0.467).
- N. Akther, A. Nobi, Investigation of the Financial Stability of S&P 500 Using Realized Volatility and Stock Returns Distribution. J. Risk Financial Manag. 2018, 11, 22. (SCI, I.F=0)
- J.W.Lee, A. Nobi, Structural transformation of minimal spanning tree in world commodity market, Acta physics polonica A, vol.133, 2018(SCI, I.F.=0.85)