Lei Sun

1-planar Graphs without 4-cycles or 5-cycles are 5-colorable

Lili Song, Lei Sun, 2022, Acta Mathematicae Applicatae Sinica, English Series.

Note on improper coloring of 1-planar graphs

Jun Yue, Lei Sun, Yanan Chu, 2019, Czechoslovak Mathematical Journal.

1-planar Graphs without 4-cycles or 5-cycles are 5-colorable

Lili Song, Lei Sun, 2022, Acta Mathematicae Applicatae Sinica, English Series.

Note on improper coloring of 1-planar graphs

Jun Yue, Lei Sun, Yanan Chu, 2019, Czechoslovak Mathematical Journal.

The (Adjacent) Vertex-Distinguishing Total Coloring of the Mycielski Graphs and the Cartesian Product Graphs

Lei Sun, Yanli Sun, Lei Sun, 2005, CJCDGCGT.

On dynamic coloring for planar graphs and graphs of higher genus

Hong-Jian Lai, Lei Sun, Ye Chen, 2012, Discret. Appl. Math..