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math.DG2026
On the invariant surface area functionals in 3-dimensional CR geometry
Pak Tung Ho
Cheng, Yang, and Zhang have studied two invariant surface area functionals in 3-dimensional CR manifolds. They deduced the Euler-Lagrange equations of the associated energy functio…
math.DG2026
Constructing -Angenent curve by flow method
Pak Tung Ho
Using a modified curve shortening flow, we construct -Angenent curve, which was first constructed by the shooting method.
math.DG2025
New curvature characterization for the weighted Sasaki sphere
Pak Tung Ho, Kuang-Ru Wu
In this paper, we use the shifted cones introduced by Yang and Zhang to classify Sasaki manifolds. This gives a new curvature characterization for the weighted Sasaki sphere.