“Three-Dimensional Manifolds As Slices of Infinite-Dimensional Hilbert Manifolds: A Geometric Model of the Universe: Three-Dimensional Manifolds As Slices of Infinite-Dimensional Hilbert Manifolds”. 2025. Dhaka University Journal of Science 73 (2): 187-95. https://doi.org/10.3329/dujs.v73i2.82778.