 | 2009 |
|---|
| 4 |       | Yufa Shen,
Wenjie He,
Guoping Zheng,
Yanpo Li:
Ohba's conjecture is true for graphs with independence number at most three.
Appl. Math. Lett. 22(6): 938-942 (2009) |
| 2008 |
|---|
| 3 | | Yufa Shen,
Wenjie He,
Guoping Zheng,
Yanning Wang,
Lingmin Zhang:
On choosability of some complete multipartite graphs and Ohba's conjecture.
Discrete Mathematics 308(1): 136-143 (2008) |
| 2 | | Yufa Shen,
Guoping Zheng,
Wenjie He,
Yongqiang Zhao:
Structural properties and edge choosability of planar graphs without 4-cycles.
Discrete Mathematics 308(23): 5789-5794 (2008) |
| 1 | | Wenjie He,
Lingmin Zhang,
Daniel W. Cranston,
Yufa Shen,
Guoping Zheng:
Choice number of complete multipartite graphs K3*3, 2*(k-5), 1*2 and K4, 3*2, 2*(k-6), 1*3.
Discrete Mathematics 308(23): 5871-5877 (2008) |
