List of Articles Open Access Article Abstract Page Full-Text 1 - A new Levenberg-Marquardt approach based on Conjugate gradient structure for solving absolute value equations F. Rahpeymaii K. Amini T. Allahviranloo Open Access Article Abstract Page Full-Text 2 - 𝛅- homomorphism maps into dual Banach algebras B. Hayati H. Khodaei Open Access Article Abstract Page Full-Text 3 - A model for the "Fuzzy TOPSIS" based on Zadde's extension principle R. KARGAR Open Access Article Abstract Page Full-Text 4 - Modify the linear search formula in the BFGS method to achieve global convergence. S.A.R. Hosseini Dehmiry M. Hamzehnejad Open Access Article Abstract Page Full-Text 5 - Portfolio ranking: using finance technology set in DEA models (Case Study: Tehran Stock Exchange) A. Davtalab R. Mehrjoo Open Access Article Abstract Page Full-Text 6 - On the Maximum Number of Dominating Classes in Graph Coloring M. Faghani Open Access Article Abstract Page Full-Text 7 - Mathematical Model and Algorithm for sequencing operations in the machine building industry M. fallah N. ghorani Open Access Article Abstract Page Full-Text 8 - Euler-Lagrange equations and geometric mechanics on Lie groups with potential Ali Suri Open Access Article Abstract Page Full-Text 9 - Evaluation of Model-Based Methods in Estimating Dynamic Functional Connectivity of Brain Regions M. Behboudi R. Farnoosh M. A. Oghabian H. Pezeshk Open Access Article Abstract Page Full-Text 10 - Solution of Backup Multifacility Location Problem by Considering the Ideal Radius for each Customer jafar fathali morteza nazari Open Access Article Abstract Page Full-Text 11 - Evaluation of Students' Performance before and after Parent Involvement in Math Educaton with DEA S. E. Haghi M. Rostamy-Malkhalifeh M. H. Behzadi A. Shahvarani Open Access Article Abstract Page Full-Text 12 - The spectrum of the hyper-star graphs and their line graphs F. Karimi S. M. Mirafzal