Curvature decompositions on Einstein four-manifolds.
Curvature decompositions on Einstein four-manifolds.
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发表时间:
2019-03
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通讯作者:
Peng Wu
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作者:
Peng Wu
For Einstein four-manifolds with positive scalar curvature, we derive relations among various positivity conditions on the curvature tensor, some of which are of great importance in the study of the Ricci flow. These relations suggest possible new ideas to study the well-known rigidity conjecture for positively curved Einstein four-manifolds.