Abstract
In this paper we show that both of the Green-Schwarz anomaly factorization formula for the gauge group E 8 × E 8 and the Hořava-Witten anomaly factorization formula for the gauge group E8 can be derived through modular forms of weight 14. This answers a question of Schwarz. We also establish generalizations of these factorization formulas and obtain a new Hořava-Witten type factorization formula.
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Acknowledgements
This work was supported by a start-up grant from National University of Singapore (Grant No. R-146-000-132-133), National Science Foundation of USA (Grant No. DMS-1510216) and National Natural Science Foundation of China (Grant No. 11221091). The authors are indebted to J. H. Schwarz for asking them the question considered in this paper. The authors also thank Siye Wu for helpful and inspiring communications.
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In memory of Professor LU QiKeng (1927–2015)
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Han, F., Liu, K. & Zhang, W. Anomaly cancellation and modularity, II: The E 8 ×E 8 case. Sci. China Math. 60, 985–994 (2017). https://doi.org/10.1007/s11425-016-9034-1
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DOI: https://doi.org/10.1007/s11425-016-9034-1