List of Articles expansion method Open Access Article Abstract Page Full-Text 1 - Auto-Bäcklund transformation and new exact solutions of the (3+1)-dimensional KP equation with variable coefficients Jian-Guo Liu Zhifang Zeng 10.1186/2251-7235-7-49 Open Access Article Abstract Page Full-Text 2 - Exact traveling wave solutions of some nonlinear evolution equations Hitender Kumar Fakir Chand 10.1007/s40094-014-0114-z Open Access Article Abstract Page Full-Text 3 - Using Linear Regression Method to Provide a Mathematical Relation to Investigate the Gap Wavelength Band in Photon Structures for Use in the Design of Optoelectronic Devices Mozhgan Javahernia Sahel Javahernia 10.30495/jce.2022.690857 Open Access Article Abstract Page Full-Text 4 - Elliptic Function Solutions of (2+1)-Dimensional Breaking Soliton Equation by Sinh-Cosh Method and Sinh-Gordon Expansion Method Parvaneh Nabipoor Keisomi Open Access Article Abstract Page Full-Text 5 - Analysis of Nonlinear Vibrations of Impact Dampers in Boats Anoshirvan Farshidianfar Mahdiye Shafipoor Milad Sabbagh Sabzevar Open Access Article Abstract Page Full-Text 6 - Application of G'/G-expansion method to the (2+1)-dimensional dispersive long wave equation Jafar Biazar Zeinab Ayati Open Access Article Abstract Page Full-Text 7 - Expansion methods for solving integral equations with multiple time lags using Bernstein polynomial of the second kind M. Paripour Z. Shojaei S. Abdolahi Open Access Article Abstract Page Full-Text 8 - New Exact Traveling Wave Solution of Fisher Kolmogorov-Petrovskii-Piskunov Equation for Favorite Genes Spreading by -expansion Method Mohammad Gholami baladezaei Morteza Gachpazan Saedeh Foadian Hossein Mohammad-Pour Kargar 10.22034/jchr.2021.1919624.1243 Open Access Article Abstract Page Full-Text 9 - بررسی کمانش و ارتعاشات تیر ویسکوالاستیک تحت بارهای عرضی گسترده و محوری حمید رضا ایپک چی حمیده صدیقی