3 citations · 3 across the 2 of their papers we have counts for
2 papers
math.CO2020★ 3 cited
(1,0,0)-colorability of planar graphs without cycles of length 4 or 6
Ligang Jin, Yingli Kang, Peipei Liu +1
A graph is -colorable if the vertex set can be partitioned into three subsets and such that for , the induced graph $G[V_i]…
math.CO2017
Plane graphs without 4- and 5-cycles and without ext-triangular 7-cycles are 3-colorable
Ligang Jin, Yingli Kang, Michael Schubert +1
Listed as No. 53 among the one hundred famous unsolved problems in [J. A. Bondy, U. S. R. Murty, Graph Theory, Springer, Berlin, 2008] is Steinberg's conjecture, which states that…