The geometry of singular quaternionic Kähler quotients

Andrew Dancer*, Andrew Swann

*Corresponding author for this work

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

9 Citations (Scopus)

Abstract

Two descriptions of quaternionic Kähler quotients by proper group actions are given: the first as a union of smooth manifolds, some of which come equipped with quaternionic Kähler or locally Kähler structures; the second as a union of quaternionic Kähler orbifolds. In particular the quotient always has an open set which is a smooth quaternionic Kähler manifold. When the original manifold and the group are compact, we describe a length space structure on the quotient. Similar descriptions of singular hyperKähler and 3-Sasakian quotients are given.

Original languageEnglish
JournalInternational Journal of Mathematics
Volume8
Issue5
Pages (from-to)595-610
Number of pages16
ISSN0129-167X
DOIs
Publication statusPublished - 1 Jan 1997
Externally publishedYes

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