List of Articles Open Access Article Abstract Page Full-Text 1 - Dynamic GAS Mathematical Based Modeling for Predicting and Assessing the Memory Free Value at Risk of Tehran Stock Exchange Total Index Mohammad Ebrahim Samavi Hashem Nikoomaram Mahdi Madanchi zaj Ahmad Yaghobnezhad Open Access Article Abstract Page Full-Text 2 - Ranking Tehran Stock Exchange Industries using a Combined FCM-ELECTRE III-LA Method Mojtaba Movahedi Mahdi Homayounfar Mahdi Fadaei Eshkiki Mansour Soufi Open Access Article Abstract Page Full-Text 3 - LIE SYMMETRIES, SELF-ADJOINTNESS, AND CONSERVATION LAWS OF THE MONG-AMPERE EQUATION Zahra Momennezhad Mahdi Najafikhah Open Access Article Abstract Page Full-Text 4 - Assessing the value efficiency of each unit in relation to the tangent hyper plane in DEA (units including negative data with interval scale) Hossein Abbasiyan Seyyed Ali Kazemipour Open Access Article Abstract Page Full-Text 5 - The Investment Policy for the Sustainability of the Electricity Supply Chain: A Case in the Power Industry Mojgan Pouralizadeh Open Access Article Abstract Page Full-Text 6 - Sequential Optimality Conditions for Bilevel Multiobjective Fractional Programming Problems with Extremal Value Function Laghdir Mohamed