Chen, Q., Guo, J.-M., Li, W.-J. and Wang, Z. 2025. A Conjecture on the Nordhaus-Gaddum Product Type Inequality for Laplacian Eigenvalue of a Graph. The Electronic Journal of Combinatorics. 32, 4 (Nov. 2025), P4.37. DOI:https://doi.org/10.37236/14060.