AUTHOR=Zhang Yaowen , Cui Wei 

TITLE=Research on characterization and prediction of bond risk factors based on machine learning: evidence from the China

JOURNAL=Frontiers in Physics

VOLUME=Volume 13 - 2025

YEAR=2025

URL=https://www.frontiersin.org/journals/physics/articles/10.3389/fphy.2025.1559283

DOI=10.3389/fphy.2025.1559283

ISSN=2296-424X