| 2008 | 
|---|
| 22 | EE | Daphne Der-Fen Liu,
Xuding Zhu:
Coloring the Cartesian sum of graphs.
Discrete Mathematics 308(24): 5928-5936 (2008) | 
| 21 | EE | Daphne Der-Fen Liu:
Radio number for trees.
Discrete Mathematics 308(7): 1153-1164 (2008) | 
| 20 | EE | Daphne Der-Fen Liu,
Xuding Zhu:
Fractional chromatic number of distance graphs generated by two-interval sets.
Eur. J. Comb. 29(7): 1733-1743 (2008) | 
| 2005 | 
|---|
| 19 | EE | Daphne Der-Fen Liu,
Xuding Zhu:
Coloring the Cartesian Sum of Graphs.
Electronic Notes in Discrete Mathematics 22: 305-309 (2005) | 
| 18 | EE | Daphne Der-Fen Liu,
Xuding Zhu:
Erratum to: "Fractional chromatic number and circular chromatic number for distance graphs with large clique size" Journal of Graph Theory 47(2) 2004, 129-146.
Journal of Graph Theory 48(4): 329-330 (2005) | 
| 17 | EE | Daphne Der-Fen Liu,
Xuding Zhu:
Circular Distance Two Labeling and the lambda-Number for Outerplanar Graphs.
SIAM J. Discrete Math. 19(2): 281-293 (2005) | 
| 16 | EE | Daphne Der-Fen Liu,
Xuding Zhu:
Multilevel Distance Labelings for Paths and Cycles.
SIAM J. Discrete Math. 19(3): 610-621 (2005) | 
| 2004 | 
|---|
| 15 | EE | Daphne Der-Fen Liu:
Circular chromatic number for iterated Mycielski graphs.
Discrete Mathematics 285(1-3): 335-340 (2004) | 
| 14 | EE | Daphne Der-Fen Liu,
Xuding Zhu:
Fractional chromatic number and circular chromatic number for distance graphs with large clique size.
Journal of Graph Theory 47(2): 129-146 (2004) | 
| 2003 | 
|---|
| 13 |  | Daphne Der-Fen Liu:
Sizes of Graphs with Fixed Orders and Spans for Circular-Distance-Two Labelings.
Ars Comb. 67:  (2003) | 
| 12 |  | Daphne Der-Fen Liu,
Xuding Zhu:
Circulant Distant Two Labeling and Circular Chromatic Number.
Ars Comb. 69:  (2003) | 
| 2002 | 
|---|
| 11 | EE | Daphne Der-Fen Liu,
Xuding Zhu:
Asymptotic Clique Covering Ratios of Distance Graphs.
Eur. J. Comb. 23(3): 315-327 (2002) | 
| 2001 | 
|---|
| 10 |  | Gerard J. Chang,
Justie Su-tzu Juan,
Daphne Der-Fen Liu:
No-hole 2-distant colorings for unit interval graphs.
Ars Comb. 61:  (2001) | 
| 9 | EE | Daphne Der-Fen Liu:
Hamiltonicity and circular distance two labellings.
Discrete Mathematics 232(1-3): 163-169 (2001) | 
| 8 | EE | Gerard J. Chang,
Justie Su-tzu Juan,
Daphne Der-Fen Liu:
Minimum Span of No-Hole (r+1)-Distant Colorings.
SIAM J. Discrete Math. 14(3): 370-380 (2001) | 
| 2000 | 
|---|
| 7 |  | Daphne Der-Fen Liu:
T-Colorings and Chromatic Number of Distance Graphs.
Ars Comb. 56:  (2000) | 
| 6 | EE | Gerard J. Chang,
Wen-Tsai Ke,
David Kuo,
Daphne Der-Fen Liu,
Roger K. Yeh:
On L(d, 1)-labelings of graphs.
Discrete Mathematics 220(1-3): 57-66 (2000) | 
| 1999 | 
|---|
| 5 | EE | Gerard J. Chang,
Daphne Der-Fen Liu,
Xuding Zhu:
Distance Graphs and T-Coloring.
J. Comb. Theory, Ser. B 75(2): 259-269 (1999) | 
| 4 | EE | Ko-Wei Lih,
Daphne Der-Fen Liu,
Xuding Zhu:
Star Extremal Circulant Graphs.
SIAM J. Discrete Math. 12(4): 491-499 (1999) | 
| 1997 | 
|---|
| 3 |  | Daphne Der-Fen Liu,
Roger K. Yeh:
On Distance Two Labellings of Graphs.
Ars Comb. 47:  (1997) | 
| 1996 | 
|---|
| 2 | EE | Daphne Der-Fen Liu:
T-graphs and the channel assignment problem.
Discrete Mathematics 161(1-3): 197-205 (1996) | 
| 1992 | 
|---|
| 1 | EE | Daphne Der-Fen Liu:
T-colorings of graphs.
Discrete Mathematics 101(1-3): 203-212 (1992) |