Modularity conjecture for the listed lift-dual rank-four Nahm sums

For each triple (A,B,C)(A,B,C) listed in Tables 1–4 and Table 5 (the table labels are those used in the source), let DLi(A,B,C)\mathcal{DL}_i(A,B,C) be its lift-dual triple and let the associated Nahm sum be defined by the Nahm-sum construction. Lift-dual modularity conjecture. The Nahm sums associated with all the listed lift-dual triples DLi(A,B,C)\mathcal{DL}_i(A,B,C) are modular. Four sets of rank-four Nahm sums have been confirmed in the paper, while modularity of the remaining listed lift-dual triples is left open.

Sources & referencesView supporting material

Primary source

Zhineng Cao and Liuquan Wang, “Some New Modular Rank Four Nahm Sums as Lift-dual of Rank Three Examples”, arXiv:2508.12468 (2025).

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