Lookup NU author(s): Dr David Stewart
This is the authors' accepted manuscript of an article that has been published in its final definitive form by Wiley-Blackwell, 2018.
For re-use rights please refer to the publisher's terms and conditions.
Author(s): Stewart DI, Thomas AR
Publication type: Article
Publication status: Published
Journal: Proceedings of the London Mathematical Society
Print publication date: 01/01/2018
Online publication date: 29/09/2017
Acceptance date: 26/07/2017
Date deposited: 02/08/2017
ISSN (print): 0024-6115
ISSN (electronic): 1460-244X
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