Sakarya Journal of Mathematics (SJM) is an international, peer-reviewed, and diamond open-access academic journal published by Sakarya University, Türkiye. The journal aims to publish original and high-quality research articles in all areas of mathematics, including both pure and applied fields, and promotes interdisciplinary works involving mathematical methods. SJM operates under a rigorous double-blind peer-review process to ensure academic quality and ethical standards. As a diamond open-access journal, it does not charge any fees for submission or publication, and all published articles are freely accessible to readers worldwide. The journal is published biannually, in June and December, and only considers manuscripts with a similarity rate below 25%. The average time for the preliminary assessment of submitted manuscripts is 5 days, the average review process takes 60 days, and the average time to publication is approximately 90 days. By offering a transparent, inclusive, and efficient publication platform, SJM seeks to support researchers, scholars, and graduate students in advancing mathematical knowledge and global scientific collaboration.