- Yisheng Song, “Co-positivity of tensors and boundedness-from-below conditions of CP conserving two-Higgs-doublet potential”, Int. J. Mod. Phys. A, 38, no. 31, 2023, 2350164

- Yisheng Song, Xudong Li, “Copositivity for a Class of Fourth-Order Symmetric Tensors Given by Scalar Dark Matter”, J Optim Theory Appl, 195, no. 1, 2022, 334

- Yisheng Song, “Vacuum stability conditions of the general two-Higgs-doublet potential”, Mod. Phys. Lett. A, 38, no. 28n29, 2023, 2350130

- Yisheng Song, Liqun Qi, “Условия ограниченности снизу для общего скалярного потенциала, зависящего от двух скалярных полей и бозона Хиггса”, Теоретическая и математическая физика, 220, no. 3, 2024, 591

- Yisheng Song, Liqun Qi, “Boundedness-below conditions for a general scalar potential of two real scalar fields and the Higgs boson”, Theor Math Phys, 220, no. 3, 2024, 1567
