A hybrid modeling approach for forecasting the volatility of S&P 500 index return. - Ehsan Hajizadeh; Abbas Seifi; M. H. Fazel Zarandi; I. Burhan Türksen (Expert Syst. Appl., 2012)

Optimized radial basis function neural network for improving approximate dynamic programming in pricing high dimensional options. - Ehsan Hajizadeh; Masoud Mahootchi (Neural Comput. Appl., 2018)

A new NN-PSO hybrid model for forecasting Euro/Dollar exchange rate volatility. - Ehsan Hajizadeh; Masoud Mahootchi; Akbar Esfahanipour; Mahdi Massahi Kh. (Neural Comput. Appl., 2019)

Designing a cryptocurrency trading system with deep reinforcement learning utilizing LSTM neural networks and XGBoost feature selection. - Hamidreza Ghadiri; Ehsan Hajizadeh (Appl. Soft Comput., 2025)

Time series prediction for cryptocurrency markets with transformer and parallel convolutional neural networks. - Mohammad Ali Izadi; Ehsan Hajizadeh (Appl. Soft Comput., 2025)