An improved algorithm for the p-center problem on interval graphs with unit lengths

2007 ◽  
Vol 34 (8) ◽  
pp. 2215-2222 ◽  
Author(s):  
T.C.E. Cheng ◽  
Liying Kang ◽  
C.T. Ng
2020 ◽  
Vol 114 ◽  
pp. 36-47
Author(s):  
Biing-Feng Wang ◽  
Jhih-Hong Ye ◽  
Chih-Yu Li

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