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math.NT2025
Pullback of arithmetic theta series and its modularity for unitary Shimura curves
Qiao He, Yousheng Shi, Tonghai Yang
This paper is a complement of the modularity result of Bruinier, Howard, Kudla, Rapoport and Yang (BHKRY) for the special case not considered there. The main idea to embed…
math.NT2025
On a Conjecture of Yui and Zagier II
Yingkun Li, Tonghai Yang, Dongxi Ye
Yui and Zagier made some fascinating conjectures on the factorization on the norm of the difference of Weber class invariants based on their…