AUTHOR=Zhang Yi , Zhang Zhezhou TITLE=Consider the master-slave game model of integrated energy system with step carbon trading and demand response JOURNAL=Frontiers in Energy Research VOLUME=13 YEAR=2025 URL=https://www.frontiersin.org/journals/energy-research/articles/10.3389/fenrg.2025.1501577 DOI=10.3389/fenrg.2025.1501577 ISSN=2296-598X