Research Article

Degree-Constrained -Minimum Spanning Tree Problem

Table 6

Lower bounds obtained with and for Euclidean graphs using and .

#
OptTime#Cycles#IterOptTime#Cycles#Iter

1Berlin5210274.4601.4444274.4621.1244
220926.772858450.958180926.774293162.098180
3301935.71432870650.352982941935.71384635710.19298294
4526081.6315228434720.069379326076.5712618693611.00860854
5gr962568.1427826393619.001699268.0725079133621.4816184
650154.0618782433716.3219665153.8917406253616.4219062
775265.1111887453614.37297152264.8611130793626.85274129
896427.944341603602.41734638427.943802493606.05733637
9ch150501545.7514873463642.21172791545.2313079163697.2716775
10802599.8014517303659.13212772598.4013279313776.4720272
111003388.098590903682.262261083387.087975713617.0121698
121505882.451334622909.894994195882.451270322874.88499419

1Berlin5210279.2300.5122279.2300.6722
2201015.39642.471551015.39622.09155
3302065.121342.231542065.12632.42154
4526968.7700.731036968.7700.75103
5gr962573.566891771525.831255173.567645551832.4012551
650168.53189277981.3210936168.533036961584.5610936
775283.1424803100.756318283.141588096.286318
896474.951195123.933410474.95480217.583410
9ch150501637.179042113620.84112351636.059899404001.4510631
10802788.875649183790.60127322786.685396993697.0312330
111003627.9328619279.8866143627.9336800341.066614
121506368.79815243.7138106368.79904645.693810