Document Type
Article
Department
Mathematics
Publication Date
10-2010
Abstract
See abstract at: http://www.sciencedirect.com/science/article/pii/S0001870811003136
Article
Mathematics
10-2010
See abstract at: http://www.sciencedirect.com/science/article/pii/S0001870811003136
Comments
Author's post-print. This version is provided in the Trinity College Digital Repository according to the publisher's distribution policies.
Published version accessible from: http://www.sciencedirect.com/science/article/pii/S0001870811003136
Advances in Mathematics Volume 229, Issue 1, 15 January 2012, Pages 408–441.