Reduction of the hermitian-einstein equation on kahlerian fiber bundles

Steven B. Bradlow, James F. Glazebrook, Franz W. Kamber

Research output: Contribution to journalArticlepeer-review

Abstract

The technique of dimensional reduction of an integrable system usually requires symmetry arising from a group action. In this paper we study a situation in which a dimensional reduction can be achieved despite the absence of any such global symmetry. We consider certain holomorphic vector bundles over a Kahler manifold which is itself the total space of a fiber bundle over a Kahler manifold. We establish an equivalence between invariant solutions to the Hermitian-Einstein equations on such bundles, and general solutions to a coupled system of equations defined on holomorphic bundles over the base Kahler manifold. The latter equations are the Coupled Vortex Equations. Our results thus generalize the dimensional reduction results of García-Prada, which apply when the fiber bundle is a product and the fiber is the complex projective line.

Original languageEnglish (US)
Pages (from-to)81-123
Number of pages43
JournalTohoku Mathematical Journal
Volume51
Issue number1
DOIs
StatePublished - 1999

ASJC Scopus subject areas

  • General Mathematics

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