gLPCA
B. Jiang, C. Ding, B. Luo, J. Tang, "Graph-Laplacian PCA: Closed-Form Solution and Robustness," 2013 IEEE Conference on Computer Vision and Pattern Recognition, pages 3492-3489, Portland, USA, 2013.
gDLPCA
J. He, Y. Bi, B. Liu, Z. Zeng, “Graph-dual Laplacian Principal Component Analysis”, Journal of Ambient Intelligence and Humanized Computing, Volume 10, pages 3249-3262, 2019.
GRgLPCA
P. Bi, J. Xu, X. Du, J. Li “Generalized robust graph-Laplacian PCA and underwater image recognition”, Neural Computing and Applications, Volume 32, pages 16993-17010, April 2020.