Shahid Bahonar University of KermanJournal of Mahani Mathematical Research2251-79529120200601A spectral Chelyshkov wavelet method to solve systems of nonlinear weakly singular Volterra integral equations2343262110.22103/jmmrc.2020.14910.1106ENMahmoudMohseni MoghadamDepartment of Mathematics, Shahid Bahonar University of KermaanHabibollahSaeediDepartmrnt of Mathematics, Shahid Bahonarf University of Kerman, Kerman, Iran0000-0001-5627-9678NargessRazaghzadehDepartment of Mathematics, Faculty of Science and New Technologies, Graduate University of Advanced Technology, Kerman, Iran.Journal Article20191027Based on Chelyshkov wavelet, an operational matrix of integration is extracted, and then is applied for solving linear and nonlinear Abel and systems of Abel integral equations. Some numerical examples confirm the applicability, accuracy and efficiency of the method.https://jmmrc.uk.ac.ir/article_2621_4bf7a2b386e012db15986efda6e94fd5.pdf