Christiansen, Jacob Stordal
Henriksen, Christian
Pedersen, Henrik Laurberg
Petersen, Carsten Lunde https://orcid.org/0000-0002-4890-3183
Funding for this research was provided by:
Statens Naturvidenskabelige Forskningsrad (DFF 4181-00502)
Institute of Mathematical Sciences, Stony Brook University
Article History
Received: 16 November 2017
Accepted: 16 January 2018
First Online: 23 February 2018