Answers are grounded in this paper and cite their sources.
We find a characterization of a sphere using a compact gradient almost Ricci soliton and the lower bound on the integral of Ricci curvature in the direction of potential field. Also, we use Poisson equation on a compact gradient almost Ricci soliton to find a characterization of the unit sphere.
No takes yet. Share an insight, caveat, or question.
Sharief Deshmukh (2019) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: