About this article
Published Online: Dec 25, 2020
Page range: 39 - 72
Received: Jul 20, 2020
Accepted: Sep 08, 2020
DOI: https://doi.org/10.2478/udt-2020-0010
Keywords
© 2020 Nathan Kirk, published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
Kirk, Nathan
Mathematical Sciences Research Centre, School of Mathematics and Physics, Queen’s University Belfast