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Complexity
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2020
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Article
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Tab 6
/
Research Article
Degree-Constrained
-
Minimum Spanning Tree Problem
Table 6
Lower bounds obtained with
and
for Euclidean graphs using
and
.
#
Opt
Time
#Cycles
#Iter
Opt
Time
#Cycles
#Iter
1
Berlin52
10
274.46
0
1.44
4
4
274.46
2
1.12
4
4
2
20
926.77
28584
50.95
81
80
926.77
42931
62.09
81
80
3
30
1935.71
432870
650.35
298
294
1935.71
384635
710.19
298
294
4
52
6081.63
1522843
4720.06
937
932
6076.57
1261869
3611.00
860
854
5
gr96
25
68.14
2782639
3619.00
169
92
68.07
2507913
3621.48
161
84
6
50
154.06
1878243
3716.32
196
65
153.89
1740625
3616.42
190
62
7
75
265.11
1188745
3614.37
297
152
264.86
1113079
3626.85
274
129
8
96
427.94
434160
3602.41
734
638
427.94
380249
3606.05
733
637
9
ch150
50
1545.75
1487346
3642.21
172
79
1545.23
1307916
3697.27
167
75
10
80
2599.80
1451730
3659.13
212
77
2598.40
1327931
3776.47
202
72
11
100
3388.09
859090
3682.26
226
108
3387.08
797571
3617.01
216
98
12
150
5882.45
133462
2909.89
499
419
5882.45
127032
2874.88
499
419
1
Berlin52
10
279.23
0
0.51
2
2
279.23
0
0.67
2
2
2
20
1015.39
64
2.47
15
5
1015.39
62
2.09
15
5
3
30
2065.12
134
2.23
15
4
2065.12
63
2.42
15
4
4
52
6968.77
0
0.73
10
3
6968.77
0
0.75
10
3
5
gr96
25
73.56
689177
1525.83
125
51
73.56
764555
1832.40
125
51
6
50
168.53
189277
981.32
109
36
168.53
303696
1584.56
109
36
7
75
283.14
24803
100.75
63
18
283.14
15880
96.28
63
18
8
96
474.95
11951
23.93
34
10
474.95
4802
17.58
34
10
9
ch150
50
1637.17
904211
3620.84
112
35
1636.05
989940
4001.45
106
31
10
80
2788.87
564918
3790.60
127
32
2786.68
539699
3697.03
123
30
11
100
3627.93
28619
279.88
66
14
3627.93
36800
341.06
66
14
12
150
6368.79
8152
43.71
38
10
6368.79
9046
45.69
38
10