List of Articles کیانوش فتحی واجارگاه Article 1 - Oil Price estimating Under Dynamic Economic Models Using Markov Chain Monte Carlo Simulation Approach 10.22034/amfa.2020.1902265.1446 Kianoush Fathi Vajargah Hossein Eslami Mofid Abadi Ebrahim Abbasi Advances in Mathematical Finance and Applications , Issue 4 , Year , Summer 2021 Article 2 - Optimization of estimates and comparison of their efficiency under stochastic methods and its application in financial models 10.22034/amfa.2022.1943236.1664 Kianoush Fathi vajargah Hamid Mottaghi Golshan Abbas Arjomandfar Advances in Mathematical Finance and Applications , Issue 4 , Year , Summer 2023 Article 3 - Dimension Reduction of Big Data and Deleting Noise and Its Efficiency in the Decision Tree Method and Its Use in Covid 19 20.1001.1.22286225.2022.12.3.4.2 10.30495/ijm2c.2022.1947200.1239 Fazel Badakhshan Farahabadi Kianoush Fathi Vajargah Rahman Farnoosh International Journal of Mathematical Modeling & Computations , Issue 4 , Year , Summer 2022