2 papers
math.DG2018
Stability of Einstein metrics on fiber bundles
Changliang Wang, Y. K. Wang
We study the linear stability of Einstein metrics of Riemannian submersion type. First, we derive a general instability condition for such Einstein metrics and provide some applica…
math.DG2016
Ancient Ricci Flow Solutions on Bundles
Peng Lu, Y. K. Wang
We generalize the circle bundle examples of ancient solutions of the Ricci flow discovered by Bakas, Kong, and Ni to a class of principal torus bundles over an arbitrary finite pro…