The regular number of a graph - Ashwin Ganesan; Radha R. Iyer (CoRR, 2011)

Irregular chromatic number for hypercube graph and its variants. - S. Shyama; Radha R. Iyer (J. Intell. Fuzzy Syst., 2023)

Unraveling the enigmatic irregular coloring of Honeycomb Networks. - S. Shyama; Radha R. Iyer (Discret. Appl. Math., 2025)