Quantum geometry in the NbSe2 family: Obstructed compact Wannier function and perturbation theoryRemoveJiabin Yu, Yi Jiang, Yuanfeng Xu, Dumitru Călugăru, Haoyu Hu, Haojie Guo, Sandra Sajan, Yongsong Wang, Miguel M. Ugeda, Fernando De Juan, and B. Andrei BernevigPhys. Rev. B 114, 125104 (2026)