ZHANG Zhuhong. On the non-negativity of the Ricci curvature on shrinking solitons[J]. Acta Scientiarum Naturalium Universitatis SunYatseni, 2018,57(6):151-153.
ZHANG Zhuhong. On the non-negativity of the Ricci curvature on shrinking solitons[J]. Acta Scientiarum Naturalium Universitatis SunYatseni, 2018,57(6):151-153. DOI: 10.13471/j.cnki.acta.snus.2018.06.020.
The non-negativity of curved is a key condition to characterize Riemannian manifolds. It is shown that any closed shrinking solitons with pinched Weyl curvature must have non-negative Ricci curvature. If further assume the soliton has positive Ricci curvature