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Harmonic 2-forms and positively curved 4-manifolds |
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| Authors: | Liu Kefeng Wan Jianming |
| Affiliation: | 1.Mathematical Sciences Research Center, Chongqing University of Technology, Chongqing, 400054, China ;2.Department of Mathematics, University of California at Los Angeles, Los Angeles, CA, 90095, USA ;3.School of Mathematics, Northwest University, Xi’an, 710127, China ; |
| Abstract: | Science China Mathematics - We prove that if a compact Riemannian 4-manifold with positive sectional curvature satisfies a strengthened Kato type inequality, then it is definite. We also discuss... |
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