1. Ajith Abraham, Ninan Sajith Philip, and Paramasivan Saratchandran. Modeling chaotic behavior of stock indices using intelligent paradigms. arXiv preprint cs/0405018, 2004.
2. International diversification with frontier markets;Berger;J. Financ. Econ.,2011
3. Stock prediction using deep learning;Singh;Multimedia Tools Appl.,2017
4. Uncovering nonlinear structure in real-time stock-market indexes: the s&p 500, the dax, the nikkei 225, and the ftse-100;Abhyankar;J. Bus. Econ. Stat.,1997
5. Nonlinearity in stock networks. Chaos: An Interdisciplinary;Hartman;Chaos: Interdisc. J. Nonlinear Sci.,2018