Chi, H., 2025. Cohomogeneity one Spin(7) metrics with generic Aloff--Wallach spaces as principal orbits. Preprint arXiv:2512.21267

Chi, H., 2025. Non-existence of cohomogeneity one Einstein metrics of two summands. Preprint arXiv:2505.06631 (submitted)

Chi, H., 2025. Existence of cohomogeneity one Einstein metrics. Preprint arXiv:2405.10836v4 (submitted)

Chi, H., 2024. Infinitely many non-collapsed steady Ricci solitons on complex line bundles. Preprint arXiv:2412.16907 (submitted)

Chi, H., 2024. Non-Shrinking Ricci solitons of cohomogeneity one from quaternionic Hopf fibration. Preprint arXiv:2411.00581 (submitted)

Chi, H., 2024. Positive Einstein metrics with S^{4m+3} as the principal orbit. Compositio Mathematica, 160(5), pp.1004-1040

Chi, H., Chrysikos, I. and Schneider, E., 2023. Decomposable (5, 6)-solutions in eleven-dimensional supergravity. Journal of Mathematical Physics, 64(6) 

Chi, H., 2022. Spin(7) metrics of cohomogeneity one with Aloff–Wallach spaces as principal orbits. The Journal of Geometric Analysis, 32(5), p.144 

Chi, H., 2021. Einstein metrics of cohomogeneity one with S^{4m+3} as Principal Orbit. Communications in Mathematical Physics, 386(2), pp.1011-1049

Chi, H., 2019. Invariant Ricci-flat metrics of cohomogeneity one with Wallach spaces as principal orbits. Annals of Global Analysis and Geometry, 56, pp.361-401