1. Okeke, O.N. and Egwe, M.E. (2020) Cohomogeneity One Groupoid Analysis of the Dynamical System of Rings of Continuous Functions. arXiv: 2101.08159.
2. Lectures on von Neumann Algebras
3. Connes, A. (1994) Noncommutative Geometry. Academic Press, San Diego.
4. Berberian, S.K. (2009) Notes on Spectral Theory. 2nd Edition. D. Van Nostrand Company Inc., Princeton.
5. On the Existence of Slices for Actions of Non-Compact Lie Groups