AUTHOR=Guan Hao , Hameed Saira , Sadaf , Khan Aysha , Shafi Jana TITLE=A spherical fuzzy planar graph approach to optimize wire configuration in transformers JOURNAL=Frontiers in Physics VOLUME=13 YEAR=2025 URL=https://www.frontiersin.org/journals/physics/articles/10.3389/fphy.2025.1413813 DOI=10.3389/fphy.2025.1413813 ISSN=2296-424X