List of Articles Open Access Article Abstract Page Full-Text 1 - Atomic systems in $n$-Hilbert spaces and their tensor products P. Ghosh T. Samanta 20.1001.1.22520201.2021.10.04.1.1 Open Access Article Abstract Page Full-Text 2 - Self-dual double cyclic codes over $\mathbb{Z}_2$ H. Movahedi L. Pourfaraj 20.1001.1.22520201.2021.10.04.4.4 Open Access Article Abstract Page Full-Text 3 - Inverse eigenvalue problem for bordered diagonal matrices S. Mashayekhi S. M. Karbassi S. A. Shahzadefazeli 20.1001.1.22520201.2021.10.04.2.2 Open Access Article Abstract Page Full-Text 4 - $b$-metric spaces with a graph and best proximity points for some contractions K. Fallahi M. Ayobian 20.1001.1.22520201.2021.10.04.3.3 Open Access Article Abstract Page Full-Text 5 - Symmetry group analysis and similarity reductions of the thin film equation M. Jafari A. Tanhaeivash 20.1001.1.22520201.2021.10.04.5.5 Open Access Article Abstract Page Full-Text 6 - Convergence, stability and data dependence results for contraction and nonexpansive mappings by a new four step algorithm U. E. Udofia D. Igbokwe 20.1001.1.22520201.2021.10.04.6.6 Open Access Article Abstract Page Full-Text 7 - Coincident and common fixed point theorems using comparison and admissible function in w-distance metric space S. Arora M. Masta 20.1001.1.22520201.2021.10.04.1.1