This work was supported by a La Trobe University Postgraduate Research Scholarship and a La Trobe University Full Fee Research Scholarship. This research was partially supported under the Australian Research Council's Discovery Projects funding scheme (project number DP160101366). This research includes computations using the Linux computational cluster Gadi of the National Computational Infrastructure (NCI), which is supported by the Australian Government and La Trobe University.
New Methods in Theory and Cosmic Applications of Spherical Random Fields