Dimension reduction in principal component analysis for trees. - Carlos A. Alfaro; Burcu Aydin; Carlos E. Valencia; Elizabeth Bullitt; Alim Ladha (Comput. Stat. Data Anal., 2014)

Graphs with two trivial critical ideals. - Carlos A. Alfaro; Carlos E. Valencia (Discret. Appl. Math., 2014)

Graphs with few trivial critical ideals. - Carlos A. Alfaro; Carlos E. Valencia (Electron. Notes Discret. Math., 2015)

Critical ideals of signed graphs with twin vertices. - Carlos A. Alfaro; Hugo Corrales; Carlos E. Valencia (Adv. Appl. Math., 2017)

Outperforming Several Heuristics for the Multidimensional Assignment Problem. - Carlos E. Valencia; Carlos A. Alfaro; Francisco Javier Zaragoza Martínez; Marcos Cesar Vargas Magana; Sergio Luis Pérez-Pérez (CCE, 2018)

The equivalence between two classic algorithms for the assignment problem. - Carlos A. Alfaro; Sergio L. Perez; Carlos E. Valencia; Marcos C. Vargas (CoRR, 2018)

The Crossing Number of the Cone of a Graph. - Carlos A. Alfaro; Alan Arroyo; Marek Dernár; Bojan Mohar (SIAM J. Discret. Math., 2018)

Critical ideals, minimum rank and zero forcing number. - Carlos A. Alfaro; Jephian C.-H. Lin (Appl. Math. Comput., 2019)

On transversal and 2-packing numbers in uniform linear systems. - Carlos A. Alfaro; Gabriela Araujo-Pardo; Christian Rubio-Montiel; Adrián Vázquez-Ávila (AKCE Int. J. Graphs Comb., 2020)

Enumeration of cospectral and coinvariant graphs. - Aida Abiad; Carlos A. Alfaro (Appl. Math. Comput., 2021)

The structure of sandpile groups of outerplanar graphs. - Carlos A. Alfaro; Ralihe R. Villagrán (Appl. Math. Comput., 2021)

Corrigendum to "The structure of sandpile groups of outerplanar graphs" [Applied Mathematics and Computation 395 (2021) 125861]. - Carlos A. Alfaro; Ralihe R. Villagrán (Appl. Math. Comput., 2021)

The assignment problem revisited. - Carlos A. Alfaro; Sergio L. Perez; Carlos E. Valencia; Marcos Cesar Vargas Magana (Optim. Lett., 2022)

The degree-distance and transmission-adjacency matrices. - Carlos A. Alfaro; Octavio Zapata (Comput. Appl. Math., 2024)

Distinguishing graphs by their spectra, Smith normal forms and complements. - Aida Abiad; Carlos A. Alfaro; Ralihe R. Villagrán (Appl. Math. Comput., 2025)

Distance ideals of digraphs. - Carlos A. Alfaro; Teresa I. Hoekstra-Mendoza; Juan Pablo Serrano; Ralihe R. Villagrán (Appl. Math. Comput., 2025)