List of Articles Non-stationary Open Access Article Abstract Page Full-Text 1 - The impact of diversification on risk reduction: using a mix of Merton model and random matrix approach to take into account non-stationary Zahra Eskandari Mirfeiz Fallah Shams Gholamreza Zomorodian Open Access Article Abstract Page Full-Text 2 - An Adaptive Segmentation Method Using Fractal Dimension and Wavelet Transform S.M. Anisheh Open Access Article Abstract Page Full-Text 3 - Robust Wagner–Whitin algorithm with uncertain costs Payam Hanafizadeh Amir Shahin Mehdi Sajadifar