AUTHOR=Ling Weiwei , Liao Feng , Wu Pinxia TITLE=Dynamic analysis of the fractal nonlinear oscillators with coordinate-dependent mass JOURNAL=Frontiers in Physics VOLUME=Volume 13 - 2025 YEAR=2025 URL=https://www.frontiersin.org/journals/physics/articles/10.3389/fphy.2025.1579671 DOI=10.3389/fphy.2025.1579671 ISSN=2296-424X