"On the Completeness of Some Bianchi Type A and Related Kähler–Einstein" by Gideon Maschler and Robert Ream
 

Mathematics

On the Completeness of Some Bianchi Type A and Related Kähler–Einstein Metrics

Document Type

Article

Abstract

We prove the existence of complete cohomogeneity one triaxial Kähler–Einstein metrics in dimension four under an action of the Euclidean group E(2). We also demonstrate local existence of Ricci flat Kähler metrics of a related type that are given via generalized PDEs, and determine, under mild conditions, whether they are complete. The common framework for both metric types is a frame-dependent system of Lie bracket relations and generalized PDEs yielding a class of Kähler–Einstein metrics on 4-manifolds which includes all diagonal Bianchi type A metrics.

Publication Title

Journal of Geometric Analysis

Publication Date

8-2021

Volume

31

Issue

8

First Page

8347

Last Page

8384

ISSN

1050-6926

DOI

10.1007/s12220-020-00597-7

Keywords

Bianchi type A, cohomogeneity one metrics, Kähler–Einstein metrics

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