2008 |
79 | EE | Zhi-Zhong Chen,
Ruka Tanahashi:
Approximating Maximum Edge 2-Coloring in Simple Graphs Via Local Improvement.
AAIM 2008: 84-96 |
78 | EE | Zhi-Zhong Chen,
Ruka Tanahashi,
Lusheng Wang:
An Improved Randomized Approximation Algorithm for Maximum Triangle Packing.
AAIM 2008: 97-108 |
77 | EE | Zhipeng Cai,
Zhi-Zhong Chen,
Guohui Lin,
Lusheng Wang:
An Improved Approximation Algorithm for the Capacitated Multicast Tree Routing Problem.
COCOA 2008: 286-295 |
76 | EE | Zhi-Zhong Chen:
Approximation Algorithms for Bounded Degree Phylogenetic Roots.
Algorithmica 51(1): 1-23 (2008) |
75 | EE | Zhi-Zhong Chen,
Ruka Tanahashi,
Lusheng Wang:
An improved approximation algorithm for maximum edge 2-coloring in simple graphs.
J. Discrete Algorithms 6(2): 205-215 (2008) |
74 | EE | Zhi-Zhong Chen,
Ze Feng,
Minming Li,
F. Frances Yao:
Optimizing deletion cost for secure multicast key management.
Theor. Comput. Sci. 401(1-3): 52-61 (2008) |
2007 |
73 | EE | Zhi-Zhong Chen,
Ruka Tanahashi:
An Improved Approximation Algorithm for Maximum Edge 2-Coloring in Simple Graphs.
AAIM 2007: 27-36 |
72 | EE | Lusheng Wang,
Zhanyong Wang,
Zhi-Zhong Chen:
Approximation Algorithms for Reconstructing the Duplication History of Tandem Repeats.
COCOON 2007: 493-503 |
71 | EE | Zhi-Zhong Chen,
Takayuki Nagoya:
Improved approximation algorithms for metric MaxTSP.
J. Comb. Optim. 13(4): 321-336 (2007) |
70 | EE | Zhi-Zhong Chen:
New bounds on the edge number of a k-map graph.
Journal of Graph Theory 55(4): 267-290 (2007) |
69 | EE | Zhi-Zhong Chen,
Xiaotie Deng,
Ding-Zhu Du:
Preface.
Theor. Comput. Sci. 378(3): 209-210 (2007) |
2006 |
68 | EE | Zhi-Zhong Chen,
Michelangelo Grigni,
Christos H. Papadimitriou:
Recognizing Hole-Free 4-Map Graphs in Cubic Time.
Algorithmica 45(2): 227-262 (2006) |
67 | EE | Zhi-Zhong Chen,
Tatsuie Tsukiji:
Computing bounded-degree phylogenetic roots of disconnected graphs.
J. Algorithms 59(2): 125-148 (2006) |
66 | EE | Tatsuie Tsukiji,
Zhi-Zhong Chen:
Computing phylogenetic roots with bounded degrees and errors is NP-complete.
Theor. Comput. Sci. 363(1): 43-59 (2006) |
2005 |
65 | EE | Zhi-Zhong Chen,
Takayuki Nagoya:
Improved Approximation Algorithms for Metric Max TSP.
ESA 2005: 179-190 |
64 | EE | Zhi-Zhong Chen,
Mitsuharu Kouno:
A Linear-Time Algorithm for 7-Coloring 1-Plane Graphs.
Algorithmica 43(3): 147-177 (2005) |
63 | EE | Zhi-Zhong Chen,
Yuusuke Okamoto,
Lusheng Wang:
Improved deterministic approximation algorithms for Max TSP.
Inf. Process. Lett. 95(2): 333-342 (2005) |
62 | EE | Guohui Lin,
Theodore Tegos,
Zhi-Zhong Chen:
Heuristic Search in Constrained Bipartite Matching with Applications to Protein Nmr Backbone Resonance Assignment.
J. Bioinformatics and Computational Biology 3(6): 1331-1350 (2005) |
61 | EE | Zhi-Zhong Chen,
Lusheng Wang:
An Improved Randomized Approximation Algorithm for Max TSP.
J. Comb. Optim. 9(4): 401-432 (2005) |
60 | EE | Zhi-Zhong Chen,
Guohui Lin,
Romeo Rizzi,
Jianjun Wen,
Dong Xu,
Ying Xu,
Tao Jiang:
More Reliable Protein NMR Peak Assignment via Improved 2-Interval Scheduling.
Journal of Computational Biology 12(2): 129-146 (2005) |
2004 |
59 | EE | Zhi-Zhong Chen:
New Bounds on the Number of Edges in a k-Map Graph.
COCOON 2004: 319-328 |
58 | EE | Tatsuie Tsukiji,
Zhi-Zhong Chen:
Computing Phylogenetic Roots with Bounded Degrees and Errors Is Hard.
COCOON 2004: 450-461 |
57 | EE | Zhi-Zhong Chen,
Tatsuie Tsukiji:
Computing Bounded-Degree Phylogenetic Roots of Disconnected Graphs.
WG 2004: 308-319 |
56 | EE | Zhi-Zhong Chen,
Xin He:
Disk Embeddings of Planar Graphs.
Algorithmica 38(4): 539-576 (2004) |
55 | EE | Zhi-Zhong Chen,
Yong Gao,
Guohui Lin,
Robert Niewiadomski,
Yang Wang,
Junfeng Wu:
A space-efficient algorithm for sequence alignment with inversions and reversals.
Theor. Comput. Sci. 325(3): 361-372 (2004) |
2003 |
54 | EE | Yong Gao,
Junfeng Wu,
Robert Niewiadomski,
Yang Wang,
Zhi-Zhong Chen,
Guohui Lin:
A Space Efficient Algorithm for Sequence Alignment with Inversions.
COCOON 2003: 57-67 |
53 | EE | Zhi-Zhong Chen,
Tao Jiang,
Guohui Lin,
Romeo Rizzi,
Jianjun Wen,
Dong Xu,
Ying Xu:
More Reliable Protein NMR Peak Assignment via Improved 2-Interval Scheduling.
ESA 2003: 580-592 |
52 | EE | Zhi-Zhong Chen,
Mitsuharu Kouno:
A Linear-Time Algorithm for 7-Coloring 1-Planar Graphs.
MFCS 2003: 348-357 |
51 | EE | Guohui Lin,
Dong Xu,
Zhi-Zhong Chen,
Tao Jiang,
Jianjun Wen,
Ying Xu:
Computational Assignment of Protein Backbone Nmr Peaks Byefficient Bounding and Filtering.
J. Bioinformatics and Computational Biology 1(2): 387-410 (2003) |
50 | EE | Zhi-Zhong Chen,
Xin He,
Ming-Yang Kao:
Common-Face Embeddings of Planar Graphs.
SIAM J. Comput. 32(2): 408-434 (2003) |
49 | EE | Zhi-Zhong Chen,
Tao Jiang,
Guohui Lin:
Computing Phylogenetic Roots with Bounded Degrees and Errors.
SIAM J. Comput. 32(4): 864-879 (2003) |
48 | EE | Zhi-Zhong Chen,
Tao Jiang,
Guo-Hui Lin,
Jianjun Wen,
Dong Xu,
Jinbo Xu,
Ying Xu:
Approximation algorithms for NMR spectral peak assignment.
Theor. Comput. Sci. 1-3(299): 211-229 (2003) |
2002 |
47 | EE | Guo-Hui Lin,
Dong Xu,
Zhi-Zhong Chen,
Tao Jiang,
Jianjun Wen,
Ying Xu:
An Efficient Branch-and-Bound Algorithm for the Assignment of Protein Backbone NMR Peaks.
CSB 2002: 165-174 |
46 | EE | Zhi-Zhong Chen,
Tao Jiang,
Guo-Hui Lin,
Jianjun Wen,
Dong Xu,
Ying Xu:
Improved Approximation Algorithms for NMR Spectral Peak Assignment.
WABI 2002: 82-96 |
45 | EE | Zhi-Zhong Chen,
Shiqing Zhang:
Tight upper bound on the number of edges in a bipartite K3, 3-free or K5-free graph with an application.
Inf. Process. Lett. 84(3): 141-145 (2002) |
44 | EE | Zhi-Zhong Chen,
Michelangelo Grigni,
Christos H. Papadimitriou:
Map graphs.
J. ACM 49(2): 127-138 (2002) |
43 | EE | Guo-Hui Lin,
Zhi-Zhong Chen,
Tao Jiang,
Jianjun Wen:
The longest common subsequence problem for sequences with nested arc annotations.
J. Comput. Syst. Sci. 65(3): 465-480 (2002) |
42 | EE | Zhi-Zhong Chen,
Xin He,
Chun-Hsi Huang:
Finding Double Euler Trails of Planar Graphs in Linear Time.
SIAM J. Comput. 31(4): 1255-1285 (2002) |
2001 |
41 | EE | Guo-Hui Lin,
Zhi-Zhong Chen,
Tao Jiang,
Jianjun Wen:
The Longest Common Subsequence Problem for Sequences with Nested Arc Annotations.
ICALP 2001: 444-455 |
40 | EE | Zhi-Zhong Chen,
Tao Jiang,
Guo-Hui Lin:
Computing Phylogenetic Roots with Bounded Degrees and Errors.
WADS 2001: 377-388 |
39 | EE | Zhi-Zhong Chen,
Xin He,
Ming-Yang Kao:
Common-Face Embeddings of Planar Graphs
CoRR cs.DS/0102007: (2001) |
38 | EE | Zhi-Zhong Chen:
Approximating Unweighted Connectivity Problems in Parallel.
Inf. Comput. 171(2): 125-136 (2001) |
37 | | Zhi-Zhong Chen:
Approximation Algorithms for Independent Sets in Map Graphs.
J. Algorithms 41(1): 20-40 (2001) |
2000 |
36 | EE | Zhi-Zhong Chen:
Approximation Algorithms for Independent Sets in Map Graphs.
COCOON 2000: 105-114 |
35 | EE | Zhi-Zhong Chen,
Xin He:
Hierarchical Topological Inference on Planar Disc Maps.
COCOON 2000: 115-125 |
34 | EE | Ryuhei Uehara,
Zhi-Zhong Chen:
Paralle Approximation Algorithms for Maximum Weighted Matching in General Graphs.
IFIP TCS 2000: 84-98 |
33 | EE | Ryuhei Uehara,
Zhi-Zhong Chen:
Parallel approximation algorithms for maximum weighted matching in general graphs.
Inf. Process. Lett. 76(1-2): 13-17 (2000) |
32 | | Zhi-Zhong Chen,
Ming-Yang Kao:
Reducing Randomness via Irrational Numbers.
SIAM J. Comput. 29(4): 1247-1256 (2000) |
31 | EE | Zhi-Zhong Chen:
Efficient Algorithms for Acyclic Colorings of Graphs.
Theor. Comput. Sci. 230(1-2): 75-95 (2000) |
1999 |
30 | EE | Zhi-Zhong Chen,
Xin He,
Chun-Hsi Huang:
Finding Double Euler Trails of Planar Graphs in Linear Time.
FOCS 1999: 319-329 |
29 | EE | Zhi-Zhong Chen,
Xin He,
Ming-Yang Kao:
Nonplanar Topological Inference and Political-Map Graphs.
SODA 1999: 195-204 |
28 | EE | Zhi-Zhong Chen,
Michelangelo Grigni,
Christos H. Papadimitriou:
Map Graphs
CoRR cs.DM/9910013: (1999) |
27 | EE | Zhi-Zhong Chen,
Ming-Yang Kao:
Reducing Randomness via Irrational Numbers
CoRR cs.DS/9907011: (1999) |
26 | | Xin He,
Zhi-Zhong Chen:
An Algorithm for Shortest Paths in Bipartite Digraphs with Concave Weight Matrices and its Applications.
SIAM J. Comput. 29(1): 65-80 (1999) |
25 | EE | Ryuhei Uehara,
Zhi-Zhong Chen,
Xin He:
Fast RNC and NC Algorithms for Maximal Path Sets.
Theor. Comput. Sci. 215(1-2): 89-98 (1999) |
1998 |
24 | EE | Zhi-Zhong Chen,
Michelangelo Grigni,
Christos H. Papadimitriou:
Planar Map Graphs.
STOC 1998: 514-523 |
23 | | Zhi-Zhong Chen:
Efficient Approximation Schemes for Maximization Problems on K3, 3-Free Graphs.
J. Algorithms 26(1): 166-187 (1998) |
1997 |
22 | | Zhi-Zhong Chen:
Approximating Unweighted Connectivity Problems in Parallel.
ISAAC 1997: 202-211 |
21 | | Xin He,
Zhi-Zhong Chen:
Shortest Path in Complete Bipartite Digraph Problem and its Applications.
SODA 1997: 230-238 |
20 | EE | Zhi-Zhong Chen,
Ming-Yang Kao:
Reducing Randomness via Irrational Numbers.
STOC 1997: 200-209 |
19 | | Zhi-Zhong Chen,
Michelangelo Grigni,
Christos H. Papadimitriou:
Panarity, Revisited (Extended Abstract).
WADS 1997: 472-473 |
18 | | Zhi-Zhong Chen,
Xin He:
Parallel Algorithms for Maximal Acyclic Sets.
Algorithmica 19(3): 354-368 (1997) |
1996 |
17 | | Ryuhei Uehara,
Zhi-Zhong Chen,
Xin He:
Fast RNC and NC Algorithms for Finding a Maximal Set of Paths with an Application.
COCOON 1996: 209-218 |
16 | | Zhi-Zhong Chen:
Practical Approximation Schemes for Maximum Induced-Subgraph Problems on K_{3, 3}-free or K_5-free Graphs.
ICALP 1996: 268-279 |
15 | EE | Zhi-Zhong Chen,
Xin He:
Parallel Complexity of Partitioning a Planar Graph Into Vertex-induced Forests.
Discrete Applied Mathematics 69(1-2): 183-198 (1996) |
14 | EE | Zhi-Zhong Chen:
Parallel Constructions of Maximal Path Sets and Applications to Short Superstrings.
Theor. Comput. Sci. 161(1&2): 1-21 (1996) |
1995 |
13 | | Zhi-Zhong Chen:
NC Algorithms for Finding a Maximal Set of Paths with Application to Compressing Strings.
ICALP 1995: 99-110 |
12 | | Zhi-Zhong Chen:
NC Algorithms for Partitioning Sparse Graphs into Induced Forests with an Application.
ISAAC 1995: 428-437 |
11 | | Zhi-Zhong Chen,
Xin He:
NC Algorithms for Partitioning Planar Graphs into Induced Forests and Approximating NP-Hard Problems.
WG 1995: 275-289 |
10 | | Zhi-Zhong Chen,
Seinosuke Toda:
The Complexity of Selecting Maximal Solutions
Inf. Comput. 119(2): 231-239 (1995) |
9 | EE | Zhi-Zhong Chen:
A Fast and Efficient NC Algorithm for Maximal Matching.
Inf. Process. Lett. 55(6): 303-307 (1995) |
8 | EE | Zhi-Zhong Chen:
The Maximal f-Dependent Set Problem for Planar Graphs is in NC.
Theor. Comput. Sci. 143(2): 309-318 (1995) |
1994 |
7 | | Zhi-Zhong Chen:
The Maximal f-Dependent Set Problem for Planar Graphs is in NC.
WG 1994: 232-241 |
6 | | Zhi-Zhong Chen:
A Parallel Algorithm for Finding a Triconnected Component Separator with an Application.
Inf. Process. Lett. 52(5): 265-271 (1994) |
1993 |
5 | | Zhi-Zhong Chen,
Seinosuke Toda:
The Complexity of Selecting Maximal Solutions.
Structure in Complexity Theory Conference 1993: 313-325 |
1992 |
4 | | Zhi-Zhong Chen:
A Simple Parallel Algorithm for Computing the Diameters of all Vertices in a Tree and its Application.
Inf. Process. Lett. 42(5): 243-248 (1992) |
3 | | Zhi-Zhong Chen:
A Fast and Efficient Parallel Algorithm for Finding a Satisfying Truth Assignment to a 2-CNF Formula.
Inf. Process. Lett. 43(4): 191-193 (1992) |
1991 |
2 | | Zhi-Zhong Chen:
A Randomized NC Algorithm for the Maximal Tree Cover Problem.
Inf. Process. Lett. 40(5): 241-246 (1991) |
1 | | Zhi-Zhong Chen,
Seinosuke Toda:
On the Complexity of Computing Optimal Solutions.
Int. J. Found. Comput. Sci. 2(3): 207-220 (1991) |