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Einstein Metrics on Bundles over Hyperkahler Manifolds

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Author(s):
Fowdar, Udhav
Total Authors: 1
Document type: Journal article
Source: Communications in Mathematical Physics; v. 403, n. 1, p. 35-pg., 2023-08-09.
Abstract

We construct explicit examples of quaternion-Kahler and hypercomplex structures on bundles over hyperKahler manifolds. We study the infinitesimal symmetries of these examples and the associated Galicki-Lawson quaternion-Kahler moment map. By performing the QK reduction we produce several explicit QK metrics. Moreover we are led to a new proof of a hyperKahler/quaternion-Kahler type correspondence. We also give examples of other Einstein metrics and balanced Hermitian structures on these bundles. (AU)

FAPESP's process: 21/07249-0 - Symmetries in exceptional holonomy problems
Grantee:Udhav Fowdar
Support Opportunities: Scholarships in Brazil - Post-Doctoral