1. ON THE OBSERVATIONAL MODEL OF GENOMICS. Authors: MOHAMMAD REZA HOSEINI ANVARI, MOHAMMAD REZA MOLAEI.2. A MODEL FOR POPULATION WITH RESPECT TO THE IMMIGRATION. Authors: MOHAMMAD REZA MOLAEI, MAHBOOBEH MOHAMMADHASANI.3. A CONTINUOUS MODEL FOR THE AGE GROUP POPULATION DYNAMICS. Authors: MOHAMMAD REZA MOLAEI.4. A MATHEMATICAL MODEL FOR AN EPIDEMIC IN AN OPEN SOCIETY. Authors: MOHAMMAD REZA MOLAEI.