In the case of surfaces the inequality is always true . EDIT: with the only exception of surfaces ruled over a curve of genus $>1$. It has beeen proven by Miyaoka [On the Chern numbers of surfaces of general type. Invent. Math. 42 (1977), 225–237] for surfaces of general type. For surfaces not of general type it can be proven easily by looking at the classification.
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In the case of surfaces the inequality is always true. It has beeen proven by Miyaoka [On the Chern numbers of surfaces of general type. Invent. Math. 42 (1977), 225–237] for surfaces of general type. For surfaces not of general type it can be proven easily by looking at the classification. |
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