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math.DG2026
On the sub-Riemannian geometry of the quaternionic Heisenberg group
Joonhyung Kim, Ioannis D. Platis, Li-Jie Sun
Utilizing the framework of quaternionic contact geometry, we define a sequence of Riemannian metrics on the quaternionic Heisenberg group by r…
math.DG2023
PCR-Kähler equivalent metrics in the Siegel domain
Joonhyung Kim, Ioannis D. Platis, Li-Jie Sun
Let be the Heisenberg group. From the standard CR structure of we construct the complex hyperbolic structure of the Siegel domain. Addit…