2 citations · 2 across the 2 of their papers we have counts for
2 papers
math.MG2021
Non-existence of concave functions on certain metric spaces
Yin Jiang
In the paper \cite{yau1974convex}, Yau proved that: There is no non-trivial continuous concave function on a complete manifold with finite volume. We prove analogue theorems for se…
math.DG2015★ 2 cited
Sharp Spectral Gaps on Metric Measure Spaces
Yin Jiang, Hui-Chun Zhang
In this paper, we extend the sharp lower bounds of spectal gap, due to Chen- Wang [10, 11], Bakry-Qian [6] and Andrews-Clutterbuck [5], from smooth Riemaniannian manifolds to gener…