On an invariant curvature cone along 4-dimensional Ricci flow

Hongting Ding, Shaochuang Huang, Zhuo Peng

In this paper, we study 4-dimensional complete noncompact manifolds (M,g) satisfying Rm(g) $\in {\mathfrak{C}}_{\eta ,\mu }$ via Ricci flow. Under the additional assumption of maximal volume…