A thesis submitted in total fulfillment of the requirements for the degree of Doctor of Philosophy to the Department of Mathematics and Statistics, College of Science, Health and Engineering, La Trobe University, Victoria,
Center or DepartmentDepartment of Mathematics and Statistics
Awarding institutionLa Trobe University
Rights StatementThis thesis contains third party copyright material which has been reproduced here with permission. Any further use requires permission of the copyright owner. The thesis author retains all proprietary rights (such as copyright and patent rights) over all other content of this thesis, and has granted La Trobe University permission to reproduce and communicate this version of the thesis. The author has declared that any third party copyright material contained within the thesis made available here is reproduced and communicated with permission. If you believe that any material has been made available without permission of the copyright owner please contact us with the details.