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

Counting arithmetical structures on paths and cycles. - Benjamin Braun; Hugo Corrales; Scott Corry; Luis David García-Puente; Darren B. Glass; Nathan Kaplan; Jeremy L. Martin; Gregg Musiker; Carlos E. Valencia (Discret. Math., 2018)