Ajayi, I.O. and Adeosun, S.O. 2026. Numerical Analysis of Topological Phase Transitions in the Haldane Model: Berry Curvature, Chern Numbers, and Edge States. Nigerian Journal of Applied Physics. 2, 4 (Nov. 2026), 15–28. DOI:https://doi.org/10.62292/njap-v2i4-2026-107.