By studying modular invariance properties of some characteristic forms,we prove some new anomaly cancellation formulas which generalize the Han-Zhang and Han-Liu-Zhang anomaly cancellation formulas.
基金supported by Fok Ying Tong Education Foundation (Grant No.121003)
文摘By studying modular invariance properties of some characteristic forms,we prove some new anomaly cancellation formulas which generalize the Han-Zhang and Han-Liu-Zhang anomaly cancellation formulas.
