Castañeda Díaz, R., López-Betancur, D., Guerrero-Méndez, C., González-Ramírez, E., Puma-Ttito, F. and Carrera-Escobedo, V. 2026. Spectral analysis of distorted and autoencoder-reconstructed MNIST images in a kernel-induced feature space. International Journal of Combinatorial Optimization Problems and Informatics. 17, 3 (Jun. 2026), 287–301. DOI:https://doi.org/10.61467/2007.1558.2026.v17i3.1457.