The construction problem for Hodge numbers modulo an integer. (English) Zbl 1439.32047
The authors study the problem of prescribed Hodge numbers of compact Kähler manifolds. As main result, they show that, for any \(m\geq 2\) and \(n\geq 1\), any \(n\)-dimensional Hodge diamond, satisfying the Hodge symmetry and the Serre duality, can be realized by the Hodge numbers of a smooth complex projective variety of dimension \(n\), in the sense of modulo \(m\). The main result implies that there are no polynomial relations among the Hodge numbers of \(n\)-dimensional smooth complex projective varieties up to Hodge symmetry and Serre duality, which answers a question by Kollar in 2012. Furthermore,
the proof can also show that any smooth complex projective variety is birational to a smooth complex projective with prescribed inner Hodge numbers modulo \(m\).
Reviewer: Quanting Zhao (Wuhan)
MSC:
32J27 | Compact Kähler manifolds: generalizations, classification |
32L10 | Sheaves and cohomology of sections of holomorphic vector bundles, general results |
32Q55 | Topological aspects of complex manifolds |
References:
[1] | 10.1017/CBO9781316387887.018 · doi:10.1017/CBO9781316387887.018 |
[2] | 10.4310/jdg/1214443287 · Zbl 0712.14022 · doi:10.4310/jdg/1214443287 |
[3] | 10.2140/gt.2015.19.295 · Zbl 1314.32037 · doi:10.2140/gt.2015.19.295 |
[4] | 10.1007/0-306-48658-X_9 · doi:10.1007/0-306-48658-X_9 |
[5] | 10.1017/CBO9780511615344 · doi:10.1017/CBO9780511615344 |
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