AUTHOR=Zhao Dan , Tang Chenghui , Huang Xiaolin TITLE=Innovation network, knowledge spillover, and urban green economic performance JOURNAL=Frontiers in Physics VOLUME=13 YEAR=2025 URL=https://www.frontiersin.org/journals/physics/articles/10.3389/fphy.2025.1537110 DOI=10.3389/fphy.2025.1537110 ISSN=2296-424X