Kalimuthu, S. “Invariant Tensor Validation of Kalimuthu’s Degenerate Spherical Triangle Theorems: Topological Phase Transitions and Dimensional Collapse Across Reparametrised Physical Manifolds”. Annals of Mathematics and Physics, vol. 9, no. 4, Aug. 2026, pp. 225-7, doi:10.17352/amp.000198.