List of articles (by subject) Mathematical Engineering Open Access Article Abstract Page Full-Text 1 - Risk Assessment of Investments with Fuzzy Efficiency Indicators for Oil and Gas Production Industry Ali Zebardast Kiumars Shahbazi Amir Amini Open Access Article Abstract Page Full-Text 2 - Forecast of climatologically events using improved grey model (Case Study: Qazvin Province Climatology) مریم کریمی خواجه قیاسی علیرضا علینژاد 20.1001.1.25885723.2019.11.1.6.5 Open Access Article Abstract Page Full-Text 3 - A novel study on nonlinear fractional differential equations: general solution موسی ایلی علی خوش کنار Open Access Article Abstract Page Full-Text 4 - Control Chart Recognition Patterns using Fuzzy Rule-Based System Alireza Alinezhad Ali Taherinezhad 20.1001.1.25885723.2020.12.2.2.0 Open Access Article Abstract Page Full-Text 5 - A Branch and Bound for single machine stochastic batch scheduling with delivery costs. A Chance Constraint approach (Case study in Iran) حمیدرضا حداد 20.1001.1.25885723.2021.13.4.6.5 Open Access Article Abstract Page Full-Text 6 - Resonant solitons solutions to the time M-fractional Schrödinger equation موسی ایلی علی خوش کنار 20.1001.1.25885723.2021.13.3.5.2 Open Access Article Abstract Page Full-Text 7 - Lump solutions of Biharmonic equation Azadeh Badiepour Zainab Ayati Hamideh Ebrahimi 20.1001.1.25885723.2020.12.2.12.0 Open Access Article Abstract Page Full-Text 8 - Dynamic GAS Mathematical Based Modeling for Predicting and Assessing the Memory Free Value at Risk of Tehran Stock Exchange Total Index محمدابراهیم سماوی هاشم نیکومرام مهدی معدنچی زاج احمد یعقوب نژاد Open Access Article Abstract Page Full-Text 9 - LIE SYMMETRIES, SELF-ADJOINTNESS, AND CONSERVATION LAWS OF THE MONG-AMPERE EQUATION زهرا مومن نژاد مهدی نجفی خواه Open Access Article Abstract Page Full-Text 10 - Unweighted p-center problem on extended stars جعفر فتحعلی نادر جعفری راد صادق رحیمی شعرباف