Let be a graph and . The graph is defined to be the -power of the -subdivision of . In other words, .

**Conjecture**Let be a graph with . Then .

## Bibliography

[1] Mahsa Mozafari-Nia and M. N. Iradmusa, Simultaneous coloring of vertices and incidences of graphs, Australasian Journal of Combinatorics, Vol. 85, Mo. 3, pp. 287-307, 2023.

[2] Mahsa Mozafari-Nia and M. N. Iradmusa, Simultaneous coloring of vertices and incidences of outerplanar graphs, Electronic Journal of Graph Theory and Applications, Vol.11, No.1, pp.245-262, 2023.

[3] Mahsa Mozafari-Nia and M. N. Iradmusa, A note on coloring of 3/3-power of subquartic graphs, Australasian Journal of Combinatorics, Vol. 79, No. 3, pp. 454-460, 2021.

[4] M. N. Iradmusa, A short proof of 7-colorability of 3/3-power of subcubic graphs, Iranian Journal of Science and Technology, Transactions A: Science, Vol. 44, No. 1, pp. 225-226, 2020.

* indicates original appearance(s) of problem.