Uniqueness of balanced metrics on holomorphic vector bundles

Details Uniqueness of balanced metrics on holomorphic vector bundles Uniqueness of balanced metrics on holomorphic vector bundles

2010-04-07

arxiv.org/abs/1004.1106v1

Mathematics

Differential Geometry

7 pages

Scientific paper

Let $E\to M$ be a holomorphic vector bundle over a compact Kaehler manifold $(M, \omega)$. We prove that if $E$ admits a $\omega$-balanced metric (in X. Wang's terminology) then it is unique. This result together with a result of L. Biliotti and A. Ghigi implies the existence and uniqueness of $\omega$-balanced metrics of certain direct sums of irreducible homogeneous vector bundles over rational homogeneous varieties. We finally apply our result to show the rigidity of $\omega$-balanced Kaehler maps into Grassmannians.

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