S. Chun

activity

20072026

collaborators

3 papers

math.DG2026

Weakly Einstein and weakly $η$ -Einstein structures on almost contact metric three-manifolds

Sun Hyang Chun, Yunhee Euh

We study weakly Einstein and weakly $η$ -Einstein structures on almost contact metric three-manifolds. We first obtain a pointwise structural description of the Ricci operator $Q$ o…

math.DG2012

Correction to "minimal unit vector fields"

S. H. Chun, J. H. Park, K. Sekigawa

The paper "Minimal unit vector fields" by O. Gil-Medrano and E. Llinares-Fuster \cite{GilLli1}. is a seminal paper in the field that has been cited by many authors. It contains, ho…

math.DG2007

Remarks on $η$ -Einstein unit tangent bundles

Y. D. Chai, S. H. Chun, J. H. Park +1

We study the geometric properties of the base manifold for the unit tangent bundle satisfying the $η$ -Einstein condition with the standard contact metric structure. One of the main…

Weakly Einstein and weakly η-Einstein structures on almost contact metric three-manifolds

Correction to "minimal unit vector fields"

Remarks on η-Einstein unit tangent bundles

Weakly Einstein and weakly $η$ -Einstein structures on almost contact metric three-manifolds

Remarks on $η$ -Einstein unit tangent bundles